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Pondok Pesantren Tahfizul Qur'an
Daftar PPDB

Menginspirasi Masa Depan, Menyambut Dunia Baru

Selamat datang di [Nama Sekolah]. Kami adalah sekolah yang berdedikasi untuk membentuk para pemimpin masa depan yang berani dan inovatif. Di sini, kami meyakini bahwa setiap siswa adalah unik dan memiliki potensi tak terbatas untuk mencapai kesuksesan.

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Selamat datang di Pesantren Insan Madani

Kami adalah sekolah yang berdedikasi untuk membentuk para pemimpin masa depan yang berani dan inovatif. Di sini, kami meyakini bahwa setiap siswa adalah unik dan memiliki potensi tak terbatas untuk mencapai kesuksesan.

Profil Sekolah Selengkapnya
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Mushola

Keunggulan Sekolah Kami:

Kurikulum Terbaik:

Kami menawarkan kurikulum terbaik yang berfokus pada pembelajaran holistik, mengintegrasikan pengetahuan akademis dengan keterampilan hidup yang praktis.

Guru Berpengalaman:

Staf pengajar kami adalah para ahli di bidangnya, yang berdedikasi untuk mendukung perkembangan penuh potensi setiap siswa.

Fasilitas Modern:

[Nama Sekolah] dilengkapi dengan fasilitas modern dan teknologi mutakhir untuk menciptakan lingkungan belajar yang inovatif dan inspiratif.

Pengembangan Karakter:

Kami mendorong siswa untuk menjadi individu yang tangguh, berempati, dan bertanggung jawab, sehingga mereka siap menghadapi tantangan masa depan.

Kegiatan Ekstrakurikuler:

1. Klub Seni dan Kreativitas:

Terdiri dari Klub Seni Lukis, Klub Seni Kerajinan Tangan, Klub Teater dan Drama Klub Fotografi

2. Klub Olahraga:

Terdiri dari Tim Sepak Bola, Tim Bola Basket, Tim Bulu Tangkis, Klub Renang, dan Tim Atletik

3. Klub Musik dan Tari:

Terdiri dari: Band Sekolah, Paduan Suara, Kelompok Tari Tradisional dan Kelompok Tari Modern

5. Klub Ilmu Pengetahuan dan Teknologi:

Terdiri dari: Klub Sains Eksperimen, Klub Koding dan Robotika, Klub Astronomi dan Klub Ilmu Pengetahuan Alam

Testimoni:

"Saya merasa sangat beruntung bisa mengenyam pendidikan di pesantren ini. Lingkungan yang khusyuk dan pengajar yang berdedikasi membuat saya semakin dekat dengan agama dan mendalami ilmu-ilmu keislaman. Selain itu, suasana kekeluargaan di pesantren ini membuat saya merasa seperti berada di rumah kedua. Terima kasih kepada semua pengajar dan teman-teman seperjuangan!"

Ahmad, LC Alumni

"Saya awalnya ragu untuk memilih pesantren sebagai jalur pendidikan, tetapi sejak bergabung di sini, semua keraguan itu hilang. Pesantren ini tidak hanya memberikan pendidikan agama yang mendalam, tetapi juga membantu saya mengembangkan soft skill dan kepemimpinan melalui berbagai kegiatan ekstrakurikuler. Saya benar-benar merasa terbentuk menjadi pribadi yang lebih baik."

Budianto, Mpd Designation

"Pesantren ini memberikan pendidikan holistik yang tidak hanya fokus pada aspek keagamaan, tetapi juga pada pembentukan karakter dan etika. Saya merasa lebih berempati, lebih disiplin, dan memiliki rasa tanggung jawab yang lebih tinggi setelah menghabiskan waktu di sini. Pengalaman di pesantren ini akan selalu menjadi kenangan indah dalam hidup saya."

Tono Designation

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Current File : /home/annurindonesia/public_html/wp-includes/option.php
<?php
/**
 * Option API
 *
 * @package WordPress
 * @subpackage Option
 */

/**
 * Retrieves an option value based on an option name.
 *
 * If the option does not exist, and a default value is not provided,
 * boolean false is returned. This could be used to check whether you need
 * to initialize an option during installation of a plugin, however that
 * can be done better by using add_option() which will not overwrite
 * existing options.
 *
 * Not initializing an option and using boolean `false` as a return value
 * is a bad practice as it triggers an additional database query.
 *
 * The type of the returned value can be different from the type that was passed
 * when saving or updating the option. If the option value was serialized,
 * then it will be unserialized when it is returned. In this case the type will
 * be the same. For example, storing a non-scalar value like an array will
 * return the same array.
 *
 * In most cases non-string scalar and null values will be converted and returned
 * as string equivalents.
 *
 * Exceptions:
 *
 * 1. When the option has not been saved in the database, the `$default_value` value
 *    is returned if provided. If not, boolean `false` is returned.
 * 2. When one of the Options API filters is used: {@see 'pre_option_$option'},
 *    {@see 'default_option_$option'}, or {@see 'option_$option'}, the returned
 *    value may not match the expected type.
 * 3. When the option has just been saved in the database, and get_option()
 *    is used right after, non-string scalar and null values are not converted to
 *    string equivalents and the original type is returned.
 *
 * Examples:
 *
 * When adding options like this: `add_option( 'my_option_name', 'value' )`
 * and then retrieving them with `get_option( 'my_option_name' )`, the returned
 * values will be:
 *
 *   - `false` returns `string(0) ""`
 *   - `true`  returns `string(1) "1"`
 *   - `0`     returns `string(1) "0"`
 *   - `1`     returns `string(1) "1"`
 *   - `'0'`   returns `string(1) "0"`
 *   - `'1'`   returns `string(1) "1"`
 *   - `null`  returns `string(0) ""`
 *
 * When adding options with non-scalar values like
 * `add_option( 'my_array', array( false, 'str', null ) )`, the returned value
 * will be identical to the original as it is serialized before saving
 * it in the database:
 *
 *     array(3) {
 *         [0] => bool(false)
 *         [1] => string(3) "str"
 *         [2] => NULL
 *     }
 *
 * @since 1.5.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $option        Name of the option to retrieve. Expected to not be SQL-escaped.
 * @param mixed  $default_value Optional. Default value to return if the option does not exist.
 * @return mixed Value of the option. A value of any type may be returned, including
 *               scalar (string, boolean, float, integer), null, array, object.
 *               Scalar and null values will be returned as strings as long as they originate
 *               from a database stored option value. If there is no option in the database,
 *               boolean `false` is returned.
 */
function get_option( $option, $default_value = false ) {
	global $wpdb;

	if ( is_scalar( $option ) ) {
		$option = trim( $option );
	}

	if ( empty( $option ) ) {
		return false;
	}

	/*
	 * Until a proper _deprecated_option() function can be introduced,
	 * redirect requests to deprecated keys to the new, correct ones.
	 */
	$deprecated_keys = array(
		'blacklist_keys'    => 'disallowed_keys',
		'comment_whitelist' => 'comment_previously_approved',
	);

	if ( isset( $deprecated_keys[ $option ] ) && ! wp_installing() ) {
		_deprecated_argument(
			__FUNCTION__,
			'5.5.0',
			sprintf(
				/* translators: 1: Deprecated option key, 2: New option key. */
				__( 'The "%1$s" option key has been renamed to "%2$s".' ),
				$option,
				$deprecated_keys[ $option ]
			)
		);
		return get_option( $deprecated_keys[ $option ], $default_value );
	}

	/**
	 * Filters the value of an existing option before it is retrieved.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * Returning a value other than false from the filter will short-circuit retrieval
	 * and return that value instead.
	 *
	 * @since 1.5.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.9.0 The `$default_value` parameter was added.
	 *
	 * @param mixed  $pre_option    The value to return instead of the option value. This differs from
	 *                              `$default_value`, which is used as the fallback value in the event
	 *                              the option doesn't exist elsewhere in get_option().
	 *                              Default false (to skip past the short-circuit).
	 * @param string $option        Option name.
	 * @param mixed  $default_value The fallback value to return if the option does not exist.
	 *                              Default false.
	 */
	$pre = apply_filters( "pre_option_{$option}", false, $option, $default_value );

	/**
	 * Filters the value of all existing options before it is retrieved.
	 *
	 * Returning a truthy value from the filter will effectively short-circuit retrieval
	 * and return the passed value instead.
	 *
	 * @since 6.1.0
	 *
	 * @param mixed  $pre_option    The value to return instead of the option value. This differs from
	 *                              `$default_value`, which is used as the fallback value in the event
	 *                              the option doesn't exist elsewhere in get_option().
	 *                              Default false (to skip past the short-circuit).
	 * @param string $option        Name of the option.
	 * @param mixed  $default_value The fallback value to return if the option does not exist.
	 *                              Default false.
	 */
	$pre = apply_filters( 'pre_option', $pre, $option, $default_value );

	if ( false !== $pre ) {
		return $pre;
	}

	if ( defined( 'WP_SETUP_CONFIG' ) ) {
		return false;
	}

	// Distinguish between `false` as a default, and not passing one.
	$passed_default = func_num_args() > 1;

	if ( ! wp_installing() ) {
		$alloptions = wp_load_alloptions();

		if ( isset( $alloptions[ $option ] ) ) {
			$value = $alloptions[ $option ];
		} else {
			$value = wp_cache_get( $option, 'options' );

			if ( false === $value ) {
				// Prevent non-existent options from triggering multiple queries.
				$notoptions = wp_cache_get( 'notoptions', 'options' );

				// Prevent non-existent `notoptions` key from triggering multiple key lookups.
				if ( ! is_array( $notoptions ) ) {
					$notoptions = array();
					wp_cache_set( 'notoptions', $notoptions, 'options' );
				} elseif ( isset( $notoptions[ $option ] ) ) {
					/**
					 * Filters the default value for an option.
					 *
					 * The dynamic portion of the hook name, `$option`, refers to the option name.
					 *
					 * @since 3.4.0
					 * @since 4.4.0 The `$option` parameter was added.
					 * @since 4.7.0 The `$passed_default` parameter was added to distinguish between a `false` value and the default parameter value.
					 *
					 * @param mixed  $default_value  The default value to return if the option does not exist
					 *                               in the database.
					 * @param string $option         Option name.
					 * @param bool   $passed_default Was `get_option()` passed a default value?
					 */
					return apply_filters( "default_option_{$option}", $default_value, $option, $passed_default );
				}

				$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );

				// Has to be get_row() instead of get_var() because of funkiness with 0, false, null values.
				if ( is_object( $row ) ) {
					$value = $row->option_value;
					wp_cache_add( $option, $value, 'options' );
				} else { // Option does not exist, so we must cache its non-existence.
					$notoptions[ $option ] = true;
					wp_cache_set( 'notoptions', $notoptions, 'options' );

					/** This filter is documented in wp-includes/option.php */
					return apply_filters( "default_option_{$option}", $default_value, $option, $passed_default );
				}
			}
		}
	} else {
		$suppress = $wpdb->suppress_errors();
		$row      = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
		$wpdb->suppress_errors( $suppress );

		if ( is_object( $row ) ) {
			$value = $row->option_value;
		} else {
			/** This filter is documented in wp-includes/option.php */
			return apply_filters( "default_option_{$option}", $default_value, $option, $passed_default );
		}
	}

	// If home is not set, use siteurl.
	if ( 'home' === $option && '' === $value ) {
		return get_option( 'siteurl' );
	}

	if ( in_array( $option, array( 'siteurl', 'home', 'category_base', 'tag_base' ), true ) ) {
		$value = untrailingslashit( $value );
	}

	/**
	 * Filters the value of an existing option.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 1.5.0 As 'option_' . $setting
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 *
	 * @param mixed  $value  Value of the option. If stored serialized, it will be
	 *                       unserialized prior to being returned.
	 * @param string $option Option name.
	 */
	return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option );
}

/**
 * Primes specific options into the cache with a single database query.
 *
 * Only options that do not already exist in cache will be loaded.
 *
 * @since 6.4.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string[] $options An array of option names to be loaded.
 */
function wp_prime_option_caches( $options ) {
	global $wpdb;

	$alloptions     = wp_load_alloptions();
	$cached_options = wp_cache_get_multiple( $options, 'options' );
	$notoptions     = wp_cache_get( 'notoptions', 'options' );
	if ( ! is_array( $notoptions ) ) {
		$notoptions = array();
	}

	// Filter options that are not in the cache.
	$options_to_prime = array();
	foreach ( $options as $option ) {
		if (
			( ! isset( $cached_options[ $option ] ) || false === $cached_options[ $option ] )
			&& ! isset( $alloptions[ $option ] )
			&& ! isset( $notoptions[ $option ] )
		) {
			$options_to_prime[] = $option;
		}
	}

	// Bail early if there are no options to be loaded.
	if ( empty( $options_to_prime ) ) {
		return;
	}

	$results = $wpdb->get_results(
		$wpdb->prepare(
			sprintf(
				"SELECT option_name, option_value FROM $wpdb->options WHERE option_name IN (%s)",
				implode( ',', array_fill( 0, count( $options_to_prime ), '%s' ) )
			),
			$options_to_prime
		)
	);

	$options_found = array();
	foreach ( $results as $result ) {
		/*
		 * The cache is primed with the raw value (i.e. not maybe_unserialized).
		 *
		 * `get_option()` will handle unserializing the value as needed.
		 */
		$options_found[ $result->option_name ] = $result->option_value;
	}
	wp_cache_set_multiple( $options_found, 'options' );

	// If all options were found, no need to update `notoptions` cache.
	if ( count( $options_found ) === count( $options_to_prime ) ) {
		return;
	}

	$options_not_found = array_diff( $options_to_prime, array_keys( $options_found ) );

	// Add the options that were not found to the cache.
	$update_notoptions = false;
	foreach ( $options_not_found as $option_name ) {
		if ( ! isset( $notoptions[ $option_name ] ) ) {
			$notoptions[ $option_name ] = true;
			$update_notoptions          = true;
		}
	}

	// Only update the cache if it was modified.
	if ( $update_notoptions ) {
		wp_cache_set( 'notoptions', $notoptions, 'options' );
	}
}

/**
 * Primes the cache of all options registered with a specific option group.
 *
 * @since 6.4.0
 *
 * @global array $new_allowed_options
 *
 * @param string $option_group The option group to load options for.
 */
function wp_prime_option_caches_by_group( $option_group ) {
	global $new_allowed_options;

	if ( isset( $new_allowed_options[ $option_group ] ) ) {
		wp_prime_option_caches( $new_allowed_options[ $option_group ] );
	}
}

/**
 * Retrieves multiple options.
 *
 * Options are loaded as necessary first in order to use a single database query at most.
 *
 * @since 6.4.0
 *
 * @param string[] $options An array of option names to retrieve.
 * @return array An array of key-value pairs for the requested options.
 */
function get_options( $options ) {
	wp_prime_option_caches( $options );

	$result = array();
	foreach ( $options as $option ) {
		$result[ $option ] = get_option( $option );
	}

	return $result;
}

/**
 * Sets the autoload values for multiple options in the database.
 *
 * Autoloading too many options can lead to performance problems, especially if the options are not frequently used.
 * This function allows modifying the autoload value for multiple options without changing the actual option value.
 * This is for example recommended for plugin activation and deactivation hooks, to ensure any options exclusively used
 * by the plugin which are generally autoloaded can be set to not autoload when the plugin is inactive.
 *
 * @since 6.4.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array $options Associative array of option names and their autoload values to set. The option names are
 *                       expected to not be SQL-escaped. The autoload values accept 'yes'|true to enable or 'no'|false
 *                       to disable.
 * @return array Associative array of all provided $options as keys and boolean values for whether their autoload value
 *               was updated.
 */
function wp_set_option_autoload_values( array $options ) {
	global $wpdb;

	if ( ! $options ) {
		return array();
	}

	$grouped_options = array(
		'on'  => array(),
		'off' => array(),
	);
	$results         = array();
	foreach ( $options as $option => $autoload ) {
		wp_protect_special_option( $option ); // Ensure only valid options can be passed.
		if ( 'off' === $autoload || 'no' === $autoload || false === $autoload ) { // Sanitize autoload value and categorize accordingly.
			$grouped_options['off'][] = $option;
		} else {
			$grouped_options['on'][] = $option;
		}
		$results[ $option ] = false; // Initialize result value.
	}

	$where      = array();
	$where_args = array();
	foreach ( $grouped_options as $autoload => $options ) {
		if ( ! $options ) {
			continue;
		}
		$placeholders = implode( ',', array_fill( 0, count( $options ), '%s' ) );
		$where[]      = "autoload != '%s' AND option_name IN ($placeholders)";
		$where_args[] = $autoload;
		foreach ( $options as $option ) {
			$where_args[] = $option;
		}
	}
	$where = 'WHERE ' . implode( ' OR ', $where );

	/*
	 * Determine the relevant options that do not already use the given autoload value.
	 * If no options are returned, no need to update.
	 */
	// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare
	$options_to_update = $wpdb->get_col( $wpdb->prepare( "SELECT option_name FROM $wpdb->options $where", $where_args ) );
	if ( ! $options_to_update ) {
		return $results;
	}

	// Run UPDATE queries as needed (maximum 2) to update the relevant options' autoload values to 'yes' or 'no'.
	foreach ( $grouped_options as $autoload => $options ) {
		if ( ! $options ) {
			continue;
		}
		$options                      = array_intersect( $options, $options_to_update );
		$grouped_options[ $autoload ] = $options;
		if ( ! $grouped_options[ $autoload ] ) {
			continue;
		}

		// Run query to update autoload value for all the options where it is needed.
		$success = $wpdb->query(
			$wpdb->prepare(
				"UPDATE $wpdb->options SET autoload = %s WHERE option_name IN (" . implode( ',', array_fill( 0, count( $grouped_options[ $autoload ] ), '%s' ) ) . ')',
				array_merge(
					array( $autoload ),
					$grouped_options[ $autoload ]
				)
			)
		);
		if ( ! $success ) {
			// Set option list to an empty array to indicate no options were updated.
			$grouped_options[ $autoload ] = array();
			continue;
		}

		// Assume that on success all options were updated, which should be the case given only new values are sent.
		foreach ( $grouped_options[ $autoload ] as $option ) {
			$results[ $option ] = true;
		}
	}

	/*
	 * If any options were changed to 'on', delete their individual caches, and delete 'alloptions' cache so that it
	 * is refreshed as needed.
	 * If no options were changed to 'on' but any options were changed to 'no', delete them from the 'alloptions'
	 * cache. This is not necessary when options were changed to 'on', since in that situation the entire cache is
	 * deleted anyway.
	 */
	if ( $grouped_options['on'] ) {
		wp_cache_delete_multiple( $grouped_options['on'], 'options' );
		wp_cache_delete( 'alloptions', 'options' );
	} elseif ( $grouped_options['off'] ) {
		$alloptions = wp_load_alloptions( true );

		foreach ( $grouped_options['off'] as $option ) {
			if ( isset( $alloptions[ $option ] ) ) {
				unset( $alloptions[ $option ] );
			}
		}

		wp_cache_set( 'alloptions', $alloptions, 'options' );
	}

	return $results;
}

/**
 * Sets the autoload value for multiple options in the database.
 *
 * This is a wrapper for {@see wp_set_option_autoload_values()}, which can be used to set different autoload values for
 * each option at once.
 *
 * @since 6.4.0
 *
 * @see wp_set_option_autoload_values()
 *
 * @param string[]    $options  List of option names. Expected to not be SQL-escaped.
 * @param string|bool $autoload Autoload value to control whether to load the options when WordPress starts up.
 *                              Accepts 'yes'|true to enable or 'no'|false to disable.
 * @return array Associative array of all provided $options as keys and boolean values for whether their autoload value
 *               was updated.
 */
function wp_set_options_autoload( array $options, $autoload ) {
	return wp_set_option_autoload_values(
		array_fill_keys( $options, $autoload )
	);
}

/**
 * Sets the autoload value for an option in the database.
 *
 * This is a wrapper for {@see wp_set_option_autoload_values()}, which can be used to set the autoload value for
 * multiple options at once.
 *
 * @since 6.4.0
 *
 * @see wp_set_option_autoload_values()
 *
 * @param string      $option   Name of the option. Expected to not be SQL-escaped.
 * @param string|bool $autoload Autoload value to control whether to load the option when WordPress starts up.
 *                              Accepts 'yes'|true to enable or 'no'|false to disable.
 * @return bool True if the autoload value was modified, false otherwise.
 */
function wp_set_option_autoload( $option, $autoload ) {
	$result = wp_set_option_autoload_values( array( $option => $autoload ) );
	if ( isset( $result[ $option ] ) ) {
		return $result[ $option ];
	}
	return false;
}

/**
 * Protects WordPress special option from being modified.
 *
 * Will die if $option is in protected list. Protected options are 'alloptions'
 * and 'notoptions' options.
 *
 * @since 2.2.0
 *
 * @param string $option Option name.
 */
function wp_protect_special_option( $option ) {
	if ( 'alloptions' === $option || 'notoptions' === $option ) {
		wp_die(
			sprintf(
				/* translators: %s: Option name. */
				__( '%s is a protected WP option and may not be modified' ),
				esc_html( $option )
			)
		);
	}
}

/**
 * Prints option value after sanitizing for forms.
 *
 * @since 1.5.0
 *
 * @param string $option Option name.
 */
function form_option( $option ) {
	echo esc_attr( get_option( $option ) );
}

/**
 * Loads and caches all autoloaded options, if available or all options.
 *
 * @since 2.2.0
 * @since 5.3.1 The `$force_cache` parameter was added.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param bool $force_cache Optional. Whether to force an update of the local cache
 *                          from the persistent cache. Default false.
 * @return array List of all options.
 */
function wp_load_alloptions( $force_cache = false ) {
	global $wpdb;

	/**
	 * Filters the array of alloptions before it is populated.
	 *
	 * Returning an array from the filter will effectively short circuit
	 * wp_load_alloptions(), returning that value instead.
	 *
	 * @since 6.2.0
	 *
	 * @param array|null $alloptions  An array of alloptions. Default null.
	 * @param bool       $force_cache Whether to force an update of the local cache from the persistent cache. Default false.
	 */
	$alloptions = apply_filters( 'pre_wp_load_alloptions', null, $force_cache );
	if ( is_array( $alloptions ) ) {
		return $alloptions;
	}

	if ( ! wp_installing() || ! is_multisite() ) {
		$alloptions = wp_cache_get( 'alloptions', 'options', $force_cache );
	} else {
		$alloptions = false;
	}

	if ( ! $alloptions ) {
		$suppress      = $wpdb->suppress_errors();
		$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload IN ( '" . implode( "', '", esc_sql( wp_autoload_values_to_autoload() ) ) . "' )" );

		if ( ! $alloptions_db ) {
			$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" );
		}
		$wpdb->suppress_errors( $suppress );

		$alloptions = array();
		foreach ( (array) $alloptions_db as $o ) {
			$alloptions[ $o->option_name ] = $o->option_value;
		}

		if ( ! wp_installing() || ! is_multisite() ) {
			/**
			 * Filters all options before caching them.
			 *
			 * @since 4.9.0
			 *
			 * @param array $alloptions Array with all options.
			 */
			$alloptions = apply_filters( 'pre_cache_alloptions', $alloptions );

			wp_cache_add( 'alloptions', $alloptions, 'options' );
		}
	}

	/**
	 * Filters all options after retrieving them.
	 *
	 * @since 4.9.0
	 *
	 * @param array $alloptions Array with all options.
	 */
	return apply_filters( 'alloptions', $alloptions );
}

/**
 * Primes specific network options for the current network into the cache with a single database query.
 *
 * Only network options that do not already exist in cache will be loaded.
 *
 * If site is not multisite, then call wp_prime_option_caches().
 *
 * @since 6.6.0
 *
 * @see wp_prime_network_option_caches()
 *
 * @param string[] $options An array of option names to be loaded.
 */
function wp_prime_site_option_caches( array $options ) {
	wp_prime_network_option_caches( null, $options );
}

/**
 * Primes specific network options into the cache with a single database query.
 *
 * Only network options that do not already exist in cache will be loaded.
 *
 * If site is not multisite, then call wp_prime_option_caches().
 *
 * @since 6.6.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int      $network_id ID of the network. Can be null to default to the current network ID.
 * @param string[] $options    An array of option names to be loaded.
 */
function wp_prime_network_option_caches( $network_id, array $options ) {
	global $wpdb;

	if ( wp_installing() ) {
		return;
	}

	if ( ! is_multisite() ) {
		wp_prime_option_caches( $options );
		return;
	}

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	$cache_keys = array();
	foreach ( $options as $option ) {
		$cache_keys[ $option ] = "{$network_id}:{$option}";
	}

	$cache_group    = 'site-options';
	$cached_options = wp_cache_get_multiple( array_values( $cache_keys ), $cache_group );

	$notoptions_key = "$network_id:notoptions";
	$notoptions     = wp_cache_get( $notoptions_key, $cache_group );

	if ( ! is_array( $notoptions ) ) {
		$notoptions = array();
	}

	// Filter options that are not in the cache.
	$options_to_prime = array();
	foreach ( $cache_keys as $option => $cache_key ) {
		if (
			( ! isset( $cached_options[ $cache_key ] ) || false === $cached_options[ $cache_key ] )
			&& ! isset( $notoptions[ $option ] )
		) {
			$options_to_prime[] = $option;
		}
	}

	// Bail early if there are no options to be loaded.
	if ( empty( $options_to_prime ) ) {
		return;
	}

	$query_args   = $options_to_prime;
	$query_args[] = $network_id;
	$results      = $wpdb->get_results(
		$wpdb->prepare(
			sprintf(
				"SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN (%s) AND site_id = %s",
				implode( ',', array_fill( 0, count( $options_to_prime ), '%s' ) ),
				'%d'
			),
			$query_args
		)
	);

	$data          = array();
	$options_found = array();
	foreach ( $results as $result ) {
		$key                = $result->meta_key;
		$cache_key          = $cache_keys[ $key ];
		$data[ $cache_key ] = maybe_unserialize( $result->meta_value );
		$options_found[]    = $key;
	}
	wp_cache_set_multiple( $data, $cache_group );
	// If all options were found, no need to update `notoptions` cache.
	if ( count( $options_found ) === count( $options_to_prime ) ) {
		return;
	}

	$options_not_found = array_diff( $options_to_prime, $options_found );

	// Add the options that were not found to the cache.
	$update_notoptions = false;
	foreach ( $options_not_found as $option_name ) {
		if ( ! isset( $notoptions[ $option_name ] ) ) {
			$notoptions[ $option_name ] = true;
			$update_notoptions          = true;
		}
	}

	// Only update the cache if it was modified.
	if ( $update_notoptions ) {
		wp_cache_set( $notoptions_key, $notoptions, $cache_group );
	}
}

/**
 * Loads and primes caches of certain often requested network options if is_multisite().
 *
 * @since 3.0.0
 * @since 6.3.0 Also prime caches for network options when persistent object cache is enabled.
 * @since 6.6.0 Uses wp_prime_network_option_caches().
 *
 * @param int $network_id Optional. Network ID of network for which to prime network options cache. Defaults to current network.
 */
function wp_load_core_site_options( $network_id = null ) {
	if ( ! is_multisite() || wp_installing() ) {
		return;
	}
	$core_options = array( 'site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled', 'ms_files_rewriting', 'WPLANG' );

	wp_prime_network_option_caches( $network_id, $core_options );
}

/**
 * Updates the value of an option that was already added.
 *
 * You do not need to serialize values. If the value needs to be serialized,
 * then it will be serialized before it is inserted into the database.
 * Remember, resources cannot be serialized or added as an option.
 *
 * If the option does not exist, it will be created.

 * This function is designed to work with or without a logged-in user. In terms of security,
 * plugin developers should check the current user's capabilities before updating any options.
 *
 * @since 1.0.0
 * @since 4.2.0 The `$autoload` parameter was added.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string    $option   Name of the option to update. Expected to not be SQL-escaped.
 * @param mixed     $value    Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
 * @param bool|null $autoload Optional. Whether to load the option when WordPress starts up.
 *                            Accepts a boolean, or `null` to stick with the initial value or, if no initial value is set,
 *                            to leave the decision up to default heuristics in WordPress.
 *                            For existing options,
 *                            `$autoload` can only be updated using `update_option()` if `$value` is also changed.
 *                            For backward compatibility 'yes' and 'no' are also accepted.
 *                            Autoloading too many options can lead to performance problems, especially if the
 *                            options are not frequently used. For options which are accessed across several places
 *                            in the frontend, it is recommended to autoload them, by using true.
 *                            For options which are accessed only on few specific URLs, it is recommended
 *                            to not autoload them, by using false.
 *                            For non-existent options, the default is null, which means WordPress will determine
 *                            the autoload value.
 * @return bool True if the value was updated, false otherwise.
 */
function update_option( $option, $value, $autoload = null ) {
	global $wpdb;

	if ( is_scalar( $option ) ) {
		$option = trim( $option );
	}

	if ( empty( $option ) ) {
		return false;
	}

	/*
	 * Until a proper _deprecated_option() function can be introduced,
	 * redirect requests to deprecated keys to the new, correct ones.
	 */
	$deprecated_keys = array(
		'blacklist_keys'    => 'disallowed_keys',
		'comment_whitelist' => 'comment_previously_approved',
	);

	if ( isset( $deprecated_keys[ $option ] ) && ! wp_installing() ) {
		_deprecated_argument(
			__FUNCTION__,
			'5.5.0',
			sprintf(
				/* translators: 1: Deprecated option key, 2: New option key. */
				__( 'The "%1$s" option key has been renamed to "%2$s".' ),
				$option,
				$deprecated_keys[ $option ]
			)
		);
		return update_option( $deprecated_keys[ $option ], $value, $autoload );
	}

	wp_protect_special_option( $option );

	if ( is_object( $value ) ) {
		$value = clone $value;
	}

	$value     = sanitize_option( $option, $value );
	$old_value = get_option( $option );

	/**
	 * Filters a specific option before its value is (maybe) serialized and updated.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.6.0
	 * @since 4.4.0 The `$option` parameter was added.
	 *
	 * @param mixed  $value     The new, unserialized option value.
	 * @param mixed  $old_value The old option value.
	 * @param string $option    Option name.
	 */
	$value = apply_filters( "pre_update_option_{$option}", $value, $old_value, $option );

	/**
	 * Filters an option before its value is (maybe) serialized and updated.
	 *
	 * @since 3.9.0
	 *
	 * @param mixed  $value     The new, unserialized option value.
	 * @param string $option    Name of the option.
	 * @param mixed  $old_value The old option value.
	 */
	$value = apply_filters( 'pre_update_option', $value, $option, $old_value );

	/*
	 * If the new and old values are the same, no need to update.
	 *
	 * Unserialized values will be adequate in most cases. If the unserialized
	 * data differs, the (maybe) serialized data is checked to avoid
	 * unnecessary database calls for otherwise identical object instances.
	 *
	 * See https://core.trac.wordpress.org/ticket/38903
	 */
	if ( $value === $old_value || maybe_serialize( $value ) === maybe_serialize( $old_value ) ) {
		return false;
	}

	/** This filter is documented in wp-includes/option.php */
	if ( apply_filters( "default_option_{$option}", false, $option, false ) === $old_value ) {
		return add_option( $option, $value, '', $autoload );
	}

	$serialized_value = maybe_serialize( $value );

	/**
	 * Fires immediately before an option value is updated.
	 *
	 * @since 2.9.0
	 *
	 * @param string $option    Name of the option to update.
	 * @param mixed  $old_value The old option value.
	 * @param mixed  $value     The new option value.
	 */
	do_action( 'update_option', $option, $old_value, $value );

	$update_args = array(
		'option_value' => $serialized_value,
	);

	if ( null !== $autoload ) {
		$update_args['autoload'] = wp_determine_option_autoload_value( $option, $value, $serialized_value, $autoload );
	} else {
		// Retrieve the current autoload value to reevaluate it in case it was set automatically.
		$raw_autoload = $wpdb->get_var( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s LIMIT 1", $option ) );
		$allow_values = array( 'auto-on', 'auto-off', 'auto' );
		if ( in_array( $raw_autoload, $allow_values, true ) ) {
			$autoload = wp_determine_option_autoload_value( $option, $value, $serialized_value, $autoload );
			if ( $autoload !== $raw_autoload ) {
				$update_args['autoload'] = $autoload;
			}
		}
	}

	$result = $wpdb->update( $wpdb->options, $update_args, array( 'option_name' => $option ) );
	if ( ! $result ) {
		return false;
	}

	$notoptions = wp_cache_get( 'notoptions', 'options' );

	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
		unset( $notoptions[ $option ] );
		wp_cache_set( 'notoptions', $notoptions, 'options' );
	}

	if ( ! wp_installing() ) {
		if ( ! isset( $update_args['autoload'] ) ) {
			// Update the cached value based on where it is currently cached.
			$alloptions = wp_load_alloptions( true );

			if ( isset( $alloptions[ $option ] ) ) {
				$alloptions[ $option ] = $serialized_value;
				wp_cache_set( 'alloptions', $alloptions, 'options' );
			} else {
				wp_cache_set( $option, $serialized_value, 'options' );
			}
		} elseif ( in_array( $update_args['autoload'], wp_autoload_values_to_autoload(), true ) ) {
			// Delete the individual cache, then set in alloptions cache.
			wp_cache_delete( $option, 'options' );

			$alloptions = wp_load_alloptions( true );

			$alloptions[ $option ] = $serialized_value;
			wp_cache_set( 'alloptions', $alloptions, 'options' );
		} else {
			// Delete the alloptions cache, then set the individual cache.
			$alloptions = wp_load_alloptions( true );

			if ( isset( $alloptions[ $option ] ) ) {
				unset( $alloptions[ $option ] );
				wp_cache_set( 'alloptions', $alloptions, 'options' );
			}

			wp_cache_set( $option, $serialized_value, 'options' );
		}
	}

	/**
	 * Fires after the value of a specific option has been successfully updated.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.0.1
	 * @since 4.4.0 The `$option` parameter was added.
	 *
	 * @param mixed  $old_value The old option value.
	 * @param mixed  $value     The new option value.
	 * @param string $option    Option name.
	 */
	do_action( "update_option_{$option}", $old_value, $value, $option );

	/**
	 * Fires after the value of an option has been successfully updated.
	 *
	 * @since 2.9.0
	 *
	 * @param string $option    Name of the updated option.
	 * @param mixed  $old_value The old option value.
	 * @param mixed  $value     The new option value.
	 */
	do_action( 'updated_option', $option, $old_value, $value );

	return true;
}

/**
 * Adds a new option.
 *
 * You do not need to serialize values. If the value needs to be serialized,
 * then it will be serialized before it is inserted into the database.
 * Remember, resources cannot be serialized or added as an option.
 *
 * You can create options without values and then update the values later.
 * Existing options will not be updated and checks are performed to ensure that you
 * aren't adding a protected WordPress option. Care should be taken to not name
 * options the same as the ones which are protected.
 *
 * @since 1.0.0
 * @since 6.6.0 The $autoload parameter's default value was changed to null.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string    $option     Name of the option to add. Expected to not be SQL-escaped.
 * @param mixed     $value      Optional. Option value. Must be serializable if non-scalar.
 *                              Expected to not be SQL-escaped.
 * @param string    $deprecated Optional. Description. Not used anymore.
 * @param bool|null $autoload   Optional. Whether to load the option when WordPress starts up.
 *                              Accepts a boolean, or `null` to leave the decision up to default heuristics in WordPress.
 *                              For backward compatibility 'yes' and 'no' are also accepted.
 *                              Autoloading too many options can lead to performance problems, especially if the
 *                              options are not frequently used. For options which are accessed across several places
 *                              in the frontend, it is recommended to autoload them, by using 'yes'|true.
 *                              For options which are accessed only on few specific URLs, it is recommended
 *                              to not autoload them, by using false.
 *                              Default is null, which means WordPress will determine the autoload value.
 * @return bool True if the option was added, false otherwise.
 */
function add_option( $option, $value = '', $deprecated = '', $autoload = null ) {
	global $wpdb;

	if ( ! empty( $deprecated ) ) {
		_deprecated_argument( __FUNCTION__, '2.3.0' );
	}

	if ( is_scalar( $option ) ) {
		$option = trim( $option );
	}

	if ( empty( $option ) ) {
		return false;
	}

	/*
	 * Until a proper _deprecated_option() function can be introduced,
	 * redirect requests to deprecated keys to the new, correct ones.
	 */
	$deprecated_keys = array(
		'blacklist_keys'    => 'disallowed_keys',
		'comment_whitelist' => 'comment_previously_approved',
	);

	if ( isset( $deprecated_keys[ $option ] ) && ! wp_installing() ) {
		_deprecated_argument(
			__FUNCTION__,
			'5.5.0',
			sprintf(
				/* translators: 1: Deprecated option key, 2: New option key. */
				__( 'The "%1$s" option key has been renamed to "%2$s".' ),
				$option,
				$deprecated_keys[ $option ]
			)
		);
		return add_option( $deprecated_keys[ $option ], $value, $deprecated, $autoload );
	}

	wp_protect_special_option( $option );

	if ( is_object( $value ) ) {
		$value = clone $value;
	}

	$value = sanitize_option( $option, $value );

	/*
	 * Make sure the option doesn't already exist.
	 * We can check the 'notoptions' cache before we ask for a DB query.
	 */
	$notoptions = wp_cache_get( 'notoptions', 'options' );

	if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {
		/** This filter is documented in wp-includes/option.php */
		if ( apply_filters( "default_option_{$option}", false, $option, false ) !== get_option( $option ) ) {
			return false;
		}
	}

	$serialized_value = maybe_serialize( $value );

	$autoload = wp_determine_option_autoload_value( $option, $value, $serialized_value, $autoload );

	/**
	 * Fires before an option is added.
	 *
	 * @since 2.9.0
	 *
	 * @param string $option Name of the option to add.
	 * @param mixed  $value  Value of the option.
	 */
	do_action( 'add_option', $option, $value );

	$result = $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $serialized_value, $autoload ) );
	if ( ! $result ) {
		return false;
	}

	if ( ! wp_installing() ) {
		if ( in_array( $autoload, wp_autoload_values_to_autoload(), true ) ) {
			$alloptions            = wp_load_alloptions( true );
			$alloptions[ $option ] = $serialized_value;
			wp_cache_set( 'alloptions', $alloptions, 'options' );
		} else {
			wp_cache_set( $option, $serialized_value, 'options' );
		}
	}

	// This option exists now.
	$notoptions = wp_cache_get( 'notoptions', 'options' ); // Yes, again... we need it to be fresh.

	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
		unset( $notoptions[ $option ] );
		wp_cache_set( 'notoptions', $notoptions, 'options' );
	}

	/**
	 * Fires after a specific option has been added.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.5.0 As "add_option_{$name}"
	 * @since 3.0.0
	 *
	 * @param string $option Name of the option to add.
	 * @param mixed  $value  Value of the option.
	 */
	do_action( "add_option_{$option}", $option, $value );

	/**
	 * Fires after an option has been added.
	 *
	 * @since 2.9.0
	 *
	 * @param string $option Name of the added option.
	 * @param mixed  $value  Value of the option.
	 */
	do_action( 'added_option', $option, $value );

	return true;
}

/**
 * Removes an option by name. Prevents removal of protected WordPress options.
 *
 * @since 1.2.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $option Name of the option to delete. Expected to not be SQL-escaped.
 * @return bool True if the option was deleted, false otherwise.
 */
function delete_option( $option ) {
	global $wpdb;

	if ( is_scalar( $option ) ) {
		$option = trim( $option );
	}

	if ( empty( $option ) ) {
		return false;
	}

	wp_protect_special_option( $option );

	// Get the ID, if no ID then return.
	$row = $wpdb->get_row( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $option ) );
	if ( is_null( $row ) ) {
		return false;
	}

	/**
	 * Fires immediately before an option is deleted.
	 *
	 * @since 2.9.0
	 *
	 * @param string $option Name of the option to delete.
	 */
	do_action( 'delete_option', $option );

	$result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) );

	if ( ! wp_installing() ) {
		if ( in_array( $row->autoload, wp_autoload_values_to_autoload(), true ) ) {
			$alloptions = wp_load_alloptions( true );

			if ( is_array( $alloptions ) && isset( $alloptions[ $option ] ) ) {
				unset( $alloptions[ $option ] );
				wp_cache_set( 'alloptions', $alloptions, 'options' );
			}
		} else {
			wp_cache_delete( $option, 'options' );
		}
	}

	if ( $result ) {

		/**
		 * Fires after a specific option has been deleted.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 3.0.0
		 *
		 * @param string $option Name of the deleted option.
		 */
		do_action( "delete_option_{$option}", $option );

		/**
		 * Fires after an option has been deleted.
		 *
		 * @since 2.9.0
		 *
		 * @param string $option Name of the deleted option.
		 */
		do_action( 'deleted_option', $option );

		return true;
	}

	return false;
}

/**
 *  Determines the appropriate autoload value for an option based on input.
 *
 *  This function checks the provided autoload value and returns a standardized value
 *  ('on', 'off', 'auto-on', 'auto-off', or 'auto') based on specific conditions.
 *
 * If no explicit autoload value is provided, the function will check for certain heuristics around the given option.
 * It will return `auto-on` to indicate autoloading, `auto-off` to indicate not autoloading, or `auto` if no clear
 * decision could be made.
 *
 * @since 6.6.0
 * @access private
 *
 * @param string $option          The name of the option.
 * @param mixed $value            The value of the option to check its autoload value.
 * @param mixed $serialized_value The serialized value of the option to check its autoload value.
 * @param bool|null $autoload     The autoload value to check.
 *                                Accepts 'on'|true to enable or 'off'|false to disable, or
 *                                'auto-on', 'auto-off', or 'auto' for internal purposes.
 *                                Any other autoload value will be forced to either 'auto-on',
 *                                'auto-off', or 'auto'.
 *                                'yes' and 'no' are supported for backward compatibility.
 * @return string Returns the original $autoload value if explicit, or 'auto-on', 'auto-off',
 *                or 'auto' depending on default heuristics.
 */
function wp_determine_option_autoload_value( $option, $value, $serialized_value, $autoload ) {

	// Check if autoload is a boolean.
	if ( is_bool( $autoload ) ) {
		return $autoload ? 'on' : 'off';
	}

	switch ( $autoload ) {
		case 'on':
		case 'yes':
			return 'on';
		case 'off':
		case 'no':
			return 'off';
	}

	/**
	 * Allows to determine the default autoload value for an option where no explicit value is passed.
	 *
	 * @since 6.6.0
	 *
	 * @param bool|null $autoload The default autoload value to set. Returning true will be set as 'auto-on' in the
	 *                            database, false will be set as 'auto-off', and null will be set as 'auto'.
	 * @param string    $option   The passed option name.
	 * @param mixed     $value    The passed option value to be saved.
	 */
	$autoload = apply_filters( 'wp_default_autoload_value', null, $option, $value, $serialized_value );
	if ( is_bool( $autoload ) ) {
		return $autoload ? 'auto-on' : 'auto-off';
	}

	return 'auto';
}

/**
 * Filters the default autoload value to disable autoloading if the option value is too large.
 *
 * @since 6.6.0
 * @access private
 *
 * @param bool|null $autoload         The default autoload value to set.
 * @param string    $option           The passed option name.
 * @param mixed     $value            The passed option value to be saved.
 * @param mixed     $serialized_value The passed option value to be saved, in serialized form.
 * @return bool|null Potentially modified $default.
 */
function wp_filter_default_autoload_value_via_option_size( $autoload, $option, $value, $serialized_value ) {
	/**
	 * Filters the maximum size of option value in bytes.
	 *
	 * @since 6.6.0
	 *
	 * @param int    $max_option_size The option-size threshold, in bytes. Default 150000.
	 * @param string $option          The name of the option.
	 */
	$max_option_size = (int) apply_filters( 'wp_max_autoloaded_option_size', 150000, $option );
	$size            = ! empty( $serialized_value ) ? strlen( $serialized_value ) : 0;

	if ( $size > $max_option_size ) {
		return false;
	}

	return $autoload;
}

/**
 * Deletes a transient.
 *
 * @since 2.8.0
 *
 * @param string $transient Transient name. Expected to not be SQL-escaped.
 * @return bool True if the transient was deleted, false otherwise.
 */
function delete_transient( $transient ) {

	/**
	 * Fires immediately before a specific transient is deleted.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 3.0.0
	 *
	 * @param string $transient Transient name.
	 */
	do_action( "delete_transient_{$transient}", $transient );

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$result = wp_cache_delete( $transient, 'transient' );
	} else {
		$option_timeout = '_transient_timeout_' . $transient;
		$option         = '_transient_' . $transient;
		$result         = delete_option( $option );

		if ( $result ) {
			delete_option( $option_timeout );
		}
	}

	if ( $result ) {

		/**
		 * Fires after a transient is deleted.
		 *
		 * @since 3.0.0
		 *
		 * @param string $transient Deleted transient name.
		 */
		do_action( 'deleted_transient', $transient );
	}

	return $result;
}

/**
 * Retrieves the value of a transient.
 *
 * If the transient does not exist, does not have a value, or has expired,
 * then the return value will be false.
 *
 * @since 2.8.0
 *
 * @param string $transient Transient name. Expected to not be SQL-escaped.
 * @return mixed Value of transient.
 */
function get_transient( $transient ) {

	/**
	 * Filters the value of an existing transient before it is retrieved.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * Returning a value other than false from the filter will short-circuit retrieval
	 * and return that value instead.
	 *
	 * @since 2.8.0
	 * @since 4.4.0 The `$transient` parameter was added
	 *
	 * @param mixed  $pre_transient The default value to return if the transient does not exist.
	 *                              Any value other than false will short-circuit the retrieval
	 *                              of the transient, and return that value.
	 * @param string $transient     Transient name.
	 */
	$pre = apply_filters( "pre_transient_{$transient}", false, $transient );

	if ( false !== $pre ) {
		return $pre;
	}

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$value = wp_cache_get( $transient, 'transient' );
	} else {
		$transient_option = '_transient_' . $transient;
		if ( ! wp_installing() ) {
			// If option is not in alloptions, it is not autoloaded and thus has a timeout.
			$alloptions = wp_load_alloptions();

			if ( ! isset( $alloptions[ $transient_option ] ) ) {
				$transient_timeout = '_transient_timeout_' . $transient;
				wp_prime_option_caches( array( $transient_option, $transient_timeout ) );
				$timeout = get_option( $transient_timeout );
				if ( false !== $timeout && $timeout < time() ) {
					delete_option( $transient_option );
					delete_option( $transient_timeout );
					$value = false;
				}
			}
		}

		if ( ! isset( $value ) ) {
			$value = get_option( $transient_option );
		}
	}

	/**
	 * Filters an existing transient's value.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 2.8.0
	 * @since 4.4.0 The `$transient` parameter was added
	 *
	 * @param mixed  $value     Value of transient.
	 * @param string $transient Transient name.
	 */
	return apply_filters( "transient_{$transient}", $value, $transient );
}

/**
 * Sets/updates the value of a transient.
 *
 * You do not need to serialize values. If the value needs to be serialized,
 * then it will be serialized before it is set.
 *
 * @since 2.8.0
 *
 * @param string $transient  Transient name. Expected to not be SQL-escaped.
 *                           Must be 172 characters or fewer in length.
 * @param mixed  $value      Transient value. Must be serializable if non-scalar.
 *                           Expected to not be SQL-escaped.
 * @param int    $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
 * @return bool True if the value was set, false otherwise.
 */
function set_transient( $transient, $value, $expiration = 0 ) {

	$expiration = (int) $expiration;

	/**
	 * Filters a specific transient before its value is set.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 3.0.0
	 * @since 4.2.0 The `$expiration` parameter was added.
	 * @since 4.4.0 The `$transient` parameter was added.
	 *
	 * @param mixed  $value      New value of transient.
	 * @param int    $expiration Time until expiration in seconds.
	 * @param string $transient  Transient name.
	 */
	$value = apply_filters( "pre_set_transient_{$transient}", $value, $expiration, $transient );

	/**
	 * Filters the expiration for a transient before its value is set.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 4.4.0
	 *
	 * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.
	 * @param mixed  $value      New value of transient.
	 * @param string $transient  Transient name.
	 */
	$expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient );

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$result = wp_cache_set( $transient, $value, 'transient', $expiration );
	} else {
		$transient_timeout = '_transient_timeout_' . $transient;
		$transient_option  = '_transient_' . $transient;
		wp_prime_option_caches( array( $transient_option, $transient_timeout ) );

		if ( false === get_option( $transient_option ) ) {
			$autoload = true;
			if ( $expiration ) {
				$autoload = false;
				add_option( $transient_timeout, time() + $expiration, '', false );
			}
			$result = add_option( $transient_option, $value, '', $autoload );
		} else {
			/*
			 * If expiration is requested, but the transient has no timeout option,
			 * delete, then re-create transient rather than update.
			 */
			$update = true;

			if ( $expiration ) {
				if ( false === get_option( $transient_timeout ) ) {
					delete_option( $transient_option );
					add_option( $transient_timeout, time() + $expiration, '', false );
					$result = add_option( $transient_option, $value, '', false );
					$update = false;
				} else {
					update_option( $transient_timeout, time() + $expiration );
				}
			}

			if ( $update ) {
				$result = update_option( $transient_option, $value );
			}
		}
	}

	if ( $result ) {

		/**
		 * Fires after the value for a specific transient has been set.
		 *
		 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
		 *
		 * @since 3.0.0
		 * @since 3.6.0 The `$value` and `$expiration` parameters were added.
		 * @since 4.4.0 The `$transient` parameter was added.
		 *
		 * @param mixed  $value      Transient value.
		 * @param int    $expiration Time until expiration in seconds.
		 * @param string $transient  The name of the transient.
		 */
		do_action( "set_transient_{$transient}", $value, $expiration, $transient );

		/**
		 * Fires after the value for a transient has been set.
		 *
		 * @since 3.0.0
		 * @since 3.6.0 The `$value` and `$expiration` parameters were added.
		 *
		 * @param string $transient  The name of the transient.
		 * @param mixed  $value      Transient value.
		 * @param int    $expiration Time until expiration in seconds.
		 */
		do_action( 'setted_transient', $transient, $value, $expiration );
	}

	return $result;
}

/**
 * Deletes all expired transients.
 *
 * Note that this function won't do anything if an external object cache is in use.
 *
 * The multi-table delete syntax is used to delete the transient record
 * from table a, and the corresponding transient_timeout record from table b.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @since 4.9.0
 *
 * @param bool $force_db Optional. Force cleanup to run against the database even when an external object cache is used.
 */
function delete_expired_transients( $force_db = false ) {
	global $wpdb;

	if ( ! $force_db && wp_using_ext_object_cache() ) {
		return;
	}

	$wpdb->query(
		$wpdb->prepare(
			"DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b
			WHERE a.option_name LIKE %s
			AND a.option_name NOT LIKE %s
			AND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
			AND b.option_value < %d",
			$wpdb->esc_like( '_transient_' ) . '%',
			$wpdb->esc_like( '_transient_timeout_' ) . '%',
			time()
		)
	);

	if ( ! is_multisite() ) {
		// Single site stores site transients in the options table.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b
				WHERE a.option_name LIKE %s
				AND a.option_name NOT LIKE %s
				AND b.option_name = CONCAT( '_site_transient_timeout_', SUBSTRING( a.option_name, 17 ) )
				AND b.option_value < %d",
				$wpdb->esc_like( '_site_transient_' ) . '%',
				$wpdb->esc_like( '_site_transient_timeout_' ) . '%',
				time()
			)
		);
	} elseif ( is_multisite() && is_main_site() && is_main_network() ) {
		// Multisite stores site transients in the sitemeta table.
		$wpdb->query(
			$wpdb->prepare(
				"DELETE a, b FROM {$wpdb->sitemeta} a, {$wpdb->sitemeta} b
				WHERE a.meta_key LIKE %s
				AND a.meta_key NOT LIKE %s
				AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) )
				AND b.meta_value < %d",
				$wpdb->esc_like( '_site_transient_' ) . '%',
				$wpdb->esc_like( '_site_transient_timeout_' ) . '%',
				time()
			)
		);
	}
}

/**
 * Saves and restores user interface settings stored in a cookie.
 *
 * Checks if the current user-settings cookie is updated and stores it. When no
 * cookie exists (different browser used), adds the last saved cookie restoring
 * the settings.
 *
 * @since 2.7.0
 */
function wp_user_settings() {

	if ( ! is_admin() || wp_doing_ajax() ) {
		return;
	}

	$user_id = get_current_user_id();
	if ( ! $user_id ) {
		return;
	}

	if ( ! is_user_member_of_blog() ) {
		return;
	}

	$settings = (string) get_user_option( 'user-settings', $user_id );

	if ( isset( $_COOKIE[ 'wp-settings-' . $user_id ] ) ) {
		$cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE[ 'wp-settings-' . $user_id ] );

		// No change or both empty.
		if ( $cookie === $settings ) {
			return;
		}

		$last_saved = (int) get_user_option( 'user-settings-time', $user_id );
		$current    = isset( $_COOKIE[ 'wp-settings-time-' . $user_id ] ) ? preg_replace( '/[^0-9]/', '', $_COOKIE[ 'wp-settings-time-' . $user_id ] ) : 0;

		// The cookie is newer than the saved value. Update the user_option and leave the cookie as-is.
		if ( $current > $last_saved ) {
			update_user_option( $user_id, 'user-settings', $cookie, false );
			update_user_option( $user_id, 'user-settings-time', time() - 5, false );
			return;
		}
	}

	// The cookie is not set in the current browser or the saved value is newer.
	$secure = ( 'https' === parse_url( admin_url(), PHP_URL_SCHEME ) );
	setcookie( 'wp-settings-' . $user_id, $settings, time() + YEAR_IN_SECONDS, SITECOOKIEPATH, '', $secure );
	setcookie( 'wp-settings-time-' . $user_id, time(), time() + YEAR_IN_SECONDS, SITECOOKIEPATH, '', $secure );
	$_COOKIE[ 'wp-settings-' . $user_id ] = $settings;
}

/**
 * Retrieves user interface setting value based on setting name.
 *
 * @since 2.7.0
 *
 * @param string       $name          The name of the setting.
 * @param string|false $default_value Optional. Default value to return when $name is not set. Default false.
 * @return mixed The last saved user setting or the default value/false if it doesn't exist.
 */
function get_user_setting( $name, $default_value = false ) {
	$all_user_settings = get_all_user_settings();

	return isset( $all_user_settings[ $name ] ) ? $all_user_settings[ $name ] : $default_value;
}

/**
 * Adds or updates user interface setting.
 *
 * Both `$name` and `$value` can contain only ASCII letters, numbers, hyphens, and underscores.
 *
 * This function has to be used before any output has started as it calls `setcookie()`.
 *
 * @since 2.8.0
 *
 * @param string $name  The name of the setting.
 * @param string $value The value for the setting.
 * @return bool|null True if set successfully, false otherwise.
 *                   Null if the current user is not a member of the site.
 */
function set_user_setting( $name, $value ) {
	if ( headers_sent() ) {
		return false;
	}

	$all_user_settings          = get_all_user_settings();
	$all_user_settings[ $name ] = $value;

	return wp_set_all_user_settings( $all_user_settings );
}

/**
 * Deletes user interface settings.
 *
 * Deleting settings would reset them to the defaults.
 *
 * This function has to be used before any output has started as it calls `setcookie()`.
 *
 * @since 2.7.0
 *
 * @param string $names The name or array of names of the setting to be deleted.
 * @return bool|null True if deleted successfully, false otherwise.
 *                   Null if the current user is not a member of the site.
 */
function delete_user_setting( $names ) {
	if ( headers_sent() ) {
		return false;
	}

	$all_user_settings = get_all_user_settings();
	$names             = (array) $names;
	$deleted           = false;

	foreach ( $names as $name ) {
		if ( isset( $all_user_settings[ $name ] ) ) {
			unset( $all_user_settings[ $name ] );
			$deleted = true;
		}
	}

	if ( $deleted ) {
		return wp_set_all_user_settings( $all_user_settings );
	}

	return false;
}

/**
 * Retrieves all user interface settings.
 *
 * @since 2.7.0
 *
 * @global array $_updated_user_settings
 *
 * @return array The last saved user settings or empty array.
 */
function get_all_user_settings() {
	global $_updated_user_settings;

	$user_id = get_current_user_id();
	if ( ! $user_id ) {
		return array();
	}

	if ( isset( $_updated_user_settings ) && is_array( $_updated_user_settings ) ) {
		return $_updated_user_settings;
	}

	$user_settings = array();

	if ( isset( $_COOKIE[ 'wp-settings-' . $user_id ] ) ) {
		$cookie = preg_replace( '/[^A-Za-z0-9=&_-]/', '', $_COOKIE[ 'wp-settings-' . $user_id ] );

		if ( strpos( $cookie, '=' ) ) { // '=' cannot be 1st char.
			parse_str( $cookie, $user_settings );
		}
	} else {
		$option = get_user_option( 'user-settings', $user_id );

		if ( $option && is_string( $option ) ) {
			parse_str( $option, $user_settings );
		}
	}

	$_updated_user_settings = $user_settings;
	return $user_settings;
}

/**
 * Private. Sets all user interface settings.
 *
 * @since 2.8.0
 * @access private
 *
 * @global array $_updated_user_settings
 *
 * @param array $user_settings User settings.
 * @return bool|null True if set successfully, false if the current user could not be found.
 *                   Null if the current user is not a member of the site.
 */
function wp_set_all_user_settings( $user_settings ) {
	global $_updated_user_settings;

	$user_id = get_current_user_id();
	if ( ! $user_id ) {
		return false;
	}

	if ( ! is_user_member_of_blog() ) {
		return;
	}

	$settings = '';
	foreach ( $user_settings as $name => $value ) {
		$_name  = preg_replace( '/[^A-Za-z0-9_-]+/', '', $name );
		$_value = preg_replace( '/[^A-Za-z0-9_-]+/', '', $value );

		if ( ! empty( $_name ) ) {
			$settings .= $_name . '=' . $_value . '&';
		}
	}

	$settings = rtrim( $settings, '&' );
	parse_str( $settings, $_updated_user_settings );

	update_user_option( $user_id, 'user-settings', $settings, false );
	update_user_option( $user_id, 'user-settings-time', time(), false );

	return true;
}

/**
 * Deletes the user settings of the current user.
 *
 * @since 2.7.0
 */
function delete_all_user_settings() {
	$user_id = get_current_user_id();
	if ( ! $user_id ) {
		return;
	}

	update_user_option( $user_id, 'user-settings', '', false );
	setcookie( 'wp-settings-' . $user_id, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
}

/**
 * Retrieve an option value for the current network based on name of option.
 *
 * @since 2.8.0
 * @since 4.4.0 The `$use_cache` parameter was deprecated.
 * @since 4.4.0 Modified into wrapper for get_network_option()
 *
 * @see get_network_option()
 *
 * @param string $option        Name of the option to retrieve. Expected to not be SQL-escaped.
 * @param mixed  $default_value Optional. Value to return if the option doesn't exist. Default false.
 * @param bool   $deprecated    Whether to use cache. Multisite only. Always set to true.
 * @return mixed Value set for the option.
 */
function get_site_option( $option, $default_value = false, $deprecated = true ) {
	return get_network_option( null, $option, $default_value );
}

/**
 * Adds a new option for the current network.
 *
 * Existing options will not be updated. Note that prior to 3.3 this wasn't the case.
 *
 * @since 2.8.0
 * @since 4.4.0 Modified into wrapper for add_network_option()
 *
 * @see add_network_option()
 *
 * @param string $option Name of the option to add. Expected to not be SQL-escaped.
 * @param mixed  $value  Option value, can be anything. Expected to not be SQL-escaped.
 * @return bool True if the option was added, false otherwise.
 */
function add_site_option( $option, $value ) {
	return add_network_option( null, $option, $value );
}

/**
 * Removes an option by name for the current network.
 *
 * @since 2.8.0
 * @since 4.4.0 Modified into wrapper for delete_network_option()
 *
 * @see delete_network_option()
 *
 * @param string $option Name of the option to delete. Expected to not be SQL-escaped.
 * @return bool True if the option was deleted, false otherwise.
 */
function delete_site_option( $option ) {
	return delete_network_option( null, $option );
}

/**
 * Updates the value of an option that was already added for the current network.
 *
 * @since 2.8.0
 * @since 4.4.0 Modified into wrapper for update_network_option()
 *
 * @see update_network_option()
 *
 * @param string $option Name of the option. Expected to not be SQL-escaped.
 * @param mixed  $value  Option value. Expected to not be SQL-escaped.
 * @return bool True if the value was updated, false otherwise.
 */
function update_site_option( $option, $value ) {
	return update_network_option( null, $option, $value );
}

/**
 * Retrieves a network's option value based on the option name.
 *
 * @since 4.4.0
 *
 * @see get_option()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int    $network_id    ID of the network. Can be null to default to the current network ID.
 * @param string $option        Name of the option to retrieve. Expected to not be SQL-escaped.
 * @param mixed  $default_value Optional. Value to return if the option doesn't exist. Default false.
 * @return mixed Value set for the option.
 */
function get_network_option( $network_id, $option, $default_value = false ) {
	global $wpdb;

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return false;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	/**
	 * Filters the value of an existing network option before it is retrieved.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * Returning a value other than false from the filter will short-circuit retrieval
	 * and return that value instead.
	 *
	 * @since 2.9.0 As 'pre_site_option_' . $key
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 * @since 4.9.0 The `$default_value` parameter was added.
	 *
	 * @param mixed  $pre_option    The value to return instead of the option value. This differs from
	 *                              `$default_value`, which is used as the fallback value in the event
	 *                              the option doesn't exist elsewhere in get_network_option().
	 *                              Default false (to skip past the short-circuit).
	 * @param string $option        Option name.
	 * @param int    $network_id    ID of the network.
	 * @param mixed  $default_value The fallback value to return if the option does not exist.
	 *                              Default false.
	 */
	$pre = apply_filters( "pre_site_option_{$option}", false, $option, $network_id, $default_value );

	if ( false !== $pre ) {
		return $pre;
	}

	// Prevent non-existent options from triggering multiple queries.
	$notoptions_key = "$network_id:notoptions";
	$notoptions     = wp_cache_get( $notoptions_key, 'site-options' );

	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {

		/**
		 * Filters the value of a specific default network option.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 3.4.0
		 * @since 4.4.0 The `$option` parameter was added.
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param mixed  $default_value The value to return if the site option does not exist
		 *                              in the database.
		 * @param string $option        Option name.
		 * @param int    $network_id    ID of the network.
		 */
		return apply_filters( "default_site_option_{$option}", $default_value, $option, $network_id );
	}

	if ( ! is_multisite() ) {
		/** This filter is documented in wp-includes/option.php */
		$default_value = apply_filters( 'default_site_option_' . $option, $default_value, $option, $network_id );
		$value         = get_option( $option, $default_value );
	} else {
		$cache_key = "$network_id:$option";
		$value     = wp_cache_get( $cache_key, 'site-options' );

		if ( ! isset( $value ) || false === $value ) {
			$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );

			// Has to be get_row() instead of get_var() because of funkiness with 0, false, null values.
			if ( is_object( $row ) ) {
				$value = $row->meta_value;
				$value = maybe_unserialize( $value );
				wp_cache_set( $cache_key, $value, 'site-options' );
			} else {
				if ( ! is_array( $notoptions ) ) {
					$notoptions = array();
				}

				$notoptions[ $option ] = true;
				wp_cache_set( $notoptions_key, $notoptions, 'site-options' );

				/** This filter is documented in wp-includes/option.php */
				$value = apply_filters( 'default_site_option_' . $option, $default_value, $option, $network_id );
			}
		}
	}

	if ( ! is_array( $notoptions ) ) {
		$notoptions = array();
		wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
	}

	/**
	 * Filters the value of an existing network option.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.9.0 As 'site_option_' . $key
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param mixed  $value      Value of network option.
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	return apply_filters( "site_option_{$option}", $value, $option, $network_id );
}

/**
 * Adds a new network option.
 *
 * Existing options will not be updated.
 *
 * @since 4.4.0
 *
 * @see add_option()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int    $network_id ID of the network. Can be null to default to the current network ID.
 * @param string $option     Name of the option to add. Expected to not be SQL-escaped.
 * @param mixed  $value      Option value, can be anything. Expected to not be SQL-escaped.
 * @return bool True if the option was added, false otherwise.
 */
function add_network_option( $network_id, $option, $value ) {
	global $wpdb;

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return false;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	wp_protect_special_option( $option );

	/**
	 * Filters the value of a specific network option before it is added.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.9.0 As 'pre_add_site_option_' . $key
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param mixed  $value      Value of network option.
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	$value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id );

	$notoptions_key = "$network_id:notoptions";

	if ( ! is_multisite() ) {
		$result = add_option( $option, $value, '', false );
	} else {
		$cache_key = "$network_id:$option";

		/*
		 * Make sure the option doesn't already exist.
		 * We can check the 'notoptions' cache before we ask for a DB query.
		 */
		$notoptions = wp_cache_get( $notoptions_key, 'site-options' );

		if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) {
			if ( false !== get_network_option( $network_id, $option, false ) ) {
				return false;
			}
		}

		$value = sanitize_option( $option, $value );

		$serialized_value = maybe_serialize( $value );
		$result           = $wpdb->insert(
			$wpdb->sitemeta,
			array(
				'site_id'    => $network_id,
				'meta_key'   => $option,
				'meta_value' => $serialized_value,
			)
		);

		if ( ! $result ) {
			return false;
		}

		wp_cache_set( $cache_key, $value, 'site-options' );

		// This option exists now.
		$notoptions = wp_cache_get( $notoptions_key, 'site-options' ); // Yes, again... we need it to be fresh.

		if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
			unset( $notoptions[ $option ] );
			wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
		}
	}

	if ( $result ) {

		/**
		 * Fires after a specific network option has been successfully added.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 2.9.0 As "add_site_option_{$key}"
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param mixed  $value      Value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( "add_site_option_{$option}", $option, $value, $network_id );

		/**
		 * Fires after a network option has been successfully added.
		 *
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param mixed  $value      Value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'add_site_option', $option, $value, $network_id );

		return true;
	}

	return false;
}

/**
 * Removes a network option by name.
 *
 * @since 4.4.0
 *
 * @see delete_option()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int    $network_id ID of the network. Can be null to default to the current network ID.
 * @param string $option     Name of the option to delete. Expected to not be SQL-escaped.
 * @return bool True if the option was deleted, false otherwise.
 */
function delete_network_option( $network_id, $option ) {
	global $wpdb;

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return false;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	/**
	 * Fires immediately before a specific network option is deleted.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	do_action( "pre_delete_site_option_{$option}", $option, $network_id );

	if ( ! is_multisite() ) {
		$result = delete_option( $option );
	} else {
		$row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $network_id ) );
		if ( is_null( $row ) || ! $row->meta_id ) {
			return false;
		}
		$cache_key = "$network_id:$option";
		wp_cache_delete( $cache_key, 'site-options' );

		$result = $wpdb->delete(
			$wpdb->sitemeta,
			array(
				'meta_key' => $option,
				'site_id'  => $network_id,
			)
		);
	}

	if ( $result ) {

		/**
		 * Fires after a specific network option has been deleted.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 2.9.0 As "delete_site_option_{$key}"
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( "delete_site_option_{$option}", $option, $network_id );

		/**
		 * Fires after a network option has been deleted.
		 *
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'delete_site_option', $option, $network_id );

		return true;
	}

	return false;
}

/**
 * Updates the value of a network option that was already added.
 *
 * @since 4.4.0
 *
 * @see update_option()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int    $network_id ID of the network. Can be null to default to the current network ID.
 * @param string $option     Name of the option. Expected to not be SQL-escaped.
 * @param mixed  $value      Option value. Expected to not be SQL-escaped.
 * @return bool True if the value was updated, false otherwise.
 */
function update_network_option( $network_id, $option, $value ) {
	global $wpdb;

	if ( $network_id && ! is_numeric( $network_id ) ) {
		return false;
	}

	$network_id = (int) $network_id;

	// Fallback to the current network if a network ID is not specified.
	if ( ! $network_id ) {
		$network_id = get_current_network_id();
	}

	wp_protect_special_option( $option );

	$old_value = get_network_option( $network_id, $option );

	/**
	 * Filters a specific network option before its value is updated.
	 *
	 * The dynamic portion of the hook name, `$option`, refers to the option name.
	 *
	 * @since 2.9.0 As 'pre_update_site_option_' . $key
	 * @since 3.0.0
	 * @since 4.4.0 The `$option` parameter was added.
	 * @since 4.7.0 The `$network_id` parameter was added.
	 *
	 * @param mixed  $value      New value of the network option.
	 * @param mixed  $old_value  Old value of the network option.
	 * @param string $option     Option name.
	 * @param int    $network_id ID of the network.
	 */
	$value = apply_filters( "pre_update_site_option_{$option}", $value, $old_value, $option, $network_id );

	/*
	 * If the new and old values are the same, no need to update.
	 *
	 * Unserialized values will be adequate in most cases. If the unserialized
	 * data differs, the (maybe) serialized data is checked to avoid
	 * unnecessary database calls for otherwise identical object instances.
	 *
	 * See https://core.trac.wordpress.org/ticket/44956
	 */
	if ( $value === $old_value || maybe_serialize( $value ) === maybe_serialize( $old_value ) ) {
		return false;
	}

	if ( false === $old_value ) {
		return add_network_option( $network_id, $option, $value );
	}

	$notoptions_key = "$network_id:notoptions";
	$notoptions     = wp_cache_get( $notoptions_key, 'site-options' );

	if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) {
		unset( $notoptions[ $option ] );
		wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
	}

	if ( ! is_multisite() ) {
		$result = update_option( $option, $value, false );
	} else {
		$value = sanitize_option( $option, $value );

		$serialized_value = maybe_serialize( $value );
		$result           = $wpdb->update(
			$wpdb->sitemeta,
			array( 'meta_value' => $serialized_value ),
			array(
				'site_id'  => $network_id,
				'meta_key' => $option,
			)
		);

		if ( $result ) {
			$cache_key = "$network_id:$option";
			wp_cache_set( $cache_key, $value, 'site-options' );
		}
	}

	if ( $result ) {

		/**
		 * Fires after the value of a specific network option has been successfully updated.
		 *
		 * The dynamic portion of the hook name, `$option`, refers to the option name.
		 *
		 * @since 2.9.0 As "update_site_option_{$key}"
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param mixed  $value      Current value of the network option.
		 * @param mixed  $old_value  Old value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( "update_site_option_{$option}", $option, $value, $old_value, $network_id );

		/**
		 * Fires after the value of a network option has been successfully updated.
		 *
		 * @since 3.0.0
		 * @since 4.7.0 The `$network_id` parameter was added.
		 *
		 * @param string $option     Name of the network option.
		 * @param mixed  $value      Current value of the network option.
		 * @param mixed  $old_value  Old value of the network option.
		 * @param int    $network_id ID of the network.
		 */
		do_action( 'update_site_option', $option, $value, $old_value, $network_id );

		return true;
	}

	return false;
}

/**
 * Deletes a site transient.
 *
 * @since 2.9.0
 *
 * @param string $transient Transient name. Expected to not be SQL-escaped.
 * @return bool True if the transient was deleted, false otherwise.
 */
function delete_site_transient( $transient ) {

	/**
	 * Fires immediately before a specific site transient is deleted.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 3.0.0
	 *
	 * @param string $transient Transient name.
	 */
	do_action( "delete_site_transient_{$transient}", $transient );

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$result = wp_cache_delete( $transient, 'site-transient' );
	} else {
		$option_timeout = '_site_transient_timeout_' . $transient;
		$option         = '_site_transient_' . $transient;
		$result         = delete_site_option( $option );

		if ( $result ) {
			delete_site_option( $option_timeout );
		}
	}

	if ( $result ) {

		/**
		 * Fires after a transient is deleted.
		 *
		 * @since 3.0.0
		 *
		 * @param string $transient Deleted transient name.
		 */
		do_action( 'deleted_site_transient', $transient );
	}

	return $result;
}

/**
 * Retrieves the value of a site transient.
 *
 * If the transient does not exist, does not have a value, or has expired,
 * then the return value will be false.
 *
 * @since 2.9.0
 *
 * @see get_transient()
 *
 * @param string $transient Transient name. Expected to not be SQL-escaped.
 * @return mixed Value of transient.
 */
function get_site_transient( $transient ) {

	/**
	 * Filters the value of an existing site transient before it is retrieved.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * Returning a value other than boolean false will short-circuit retrieval and
	 * return that value instead.
	 *
	 * @since 2.9.0
	 * @since 4.4.0 The `$transient` parameter was added.
	 *
	 * @param mixed  $pre_site_transient The default value to return if the site transient does not exist.
	 *                                   Any value other than false will short-circuit the retrieval
	 *                                   of the transient, and return that value.
	 * @param string $transient          Transient name.
	 */
	$pre = apply_filters( "pre_site_transient_{$transient}", false, $transient );

	if ( false !== $pre ) {
		return $pre;
	}

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$value = wp_cache_get( $transient, 'site-transient' );
	} else {
		// Core transients that do not have a timeout. Listed here so querying timeouts can be avoided.
		$no_timeout       = array( 'update_core', 'update_plugins', 'update_themes' );
		$transient_option = '_site_transient_' . $transient;
		if ( ! in_array( $transient, $no_timeout, true ) ) {
			$transient_timeout = '_site_transient_timeout_' . $transient;
			wp_prime_site_option_caches( array( $transient_option, $transient_timeout ) );

			$timeout = get_site_option( $transient_timeout );
			if ( false !== $timeout && $timeout < time() ) {
				delete_site_option( $transient_option );
				delete_site_option( $transient_timeout );
				$value = false;
			}
		}

		if ( ! isset( $value ) ) {
			$value = get_site_option( $transient_option );
		}
	}

	/**
	 * Filters the value of an existing site transient.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 2.9.0
	 * @since 4.4.0 The `$transient` parameter was added.
	 *
	 * @param mixed  $value     Value of site transient.
	 * @param string $transient Transient name.
	 */
	return apply_filters( "site_transient_{$transient}", $value, $transient );
}

/**
 * Sets/updates the value of a site transient.
 *
 * You do not need to serialize values. If the value needs to be serialized,
 * then it will be serialized before it is set.
 *
 * @since 2.9.0
 *
 * @see set_transient()
 *
 * @param string $transient  Transient name. Expected to not be SQL-escaped. Must be
 *                           167 characters or fewer in length.
 * @param mixed  $value      Transient value. Expected to not be SQL-escaped.
 * @param int    $expiration Optional. Time until expiration in seconds. Default 0 (no expiration).
 * @return bool True if the value was set, false otherwise.
 */
function set_site_transient( $transient, $value, $expiration = 0 ) {

	/**
	 * Filters the value of a specific site transient before it is set.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 3.0.0
	 * @since 4.4.0 The `$transient` parameter was added.
	 *
	 * @param mixed  $value     New value of site transient.
	 * @param string $transient Transient name.
	 */
	$value = apply_filters( "pre_set_site_transient_{$transient}", $value, $transient );

	$expiration = (int) $expiration;

	/**
	 * Filters the expiration for a site transient before its value is set.
	 *
	 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
	 *
	 * @since 4.4.0
	 *
	 * @param int    $expiration Time until expiration in seconds. Use 0 for no expiration.
	 * @param mixed  $value      New value of site transient.
	 * @param string $transient  Transient name.
	 */
	$expiration = apply_filters( "expiration_of_site_transient_{$transient}", $expiration, $value, $transient );

	if ( wp_using_ext_object_cache() || wp_installing() ) {
		$result = wp_cache_set( $transient, $value, 'site-transient', $expiration );
	} else {
		$transient_timeout = '_site_transient_timeout_' . $transient;
		$option            = '_site_transient_' . $transient;
		wp_prime_site_option_caches( array( $option, $transient_timeout ) );

		if ( false === get_site_option( $option ) ) {
			if ( $expiration ) {
				add_site_option( $transient_timeout, time() + $expiration );
			}
			$result = add_site_option( $option, $value );
		} else {
			if ( $expiration ) {
				update_site_option( $transient_timeout, time() + $expiration );
			}
			$result = update_site_option( $option, $value );
		}
	}

	if ( $result ) {

		/**
		 * Fires after the value for a specific site transient has been set.
		 *
		 * The dynamic portion of the hook name, `$transient`, refers to the transient name.
		 *
		 * @since 3.0.0
		 * @since 4.4.0 The `$transient` parameter was added
		 *
		 * @param mixed  $value      Site transient value.
		 * @param int    $expiration Time until expiration in seconds.
		 * @param string $transient  Transient name.
		 */
		do_action( "set_site_transient_{$transient}", $value, $expiration, $transient );

		/**
		 * Fires after the value for a site transient has been set.
		 *
		 * @since 3.0.0
		 *
		 * @param string $transient  The name of the site transient.
		 * @param mixed  $value      Site transient value.
		 * @param int    $expiration Time until expiration in seconds.
		 */
		do_action( 'setted_site_transient', $transient, $value, $expiration );
	}

	return $result;
}

/**
 * Registers default settings available in WordPress.
 *
 * The settings registered here are primarily useful for the REST API, so this
 * does not encompass all settings available in WordPress.
 *
 * @since 4.7.0
 * @since 6.0.1 The `show_on_front`, `page_on_front`, and `page_for_posts` options were added.
 */
function register_initial_settings() {
	register_setting(
		'general',
		'blogname',
		array(
			'show_in_rest' => array(
				'name' => 'title',
			),
			'type'         => 'string',
			'label'        => __( 'Title' ),
			'description'  => __( 'Site title.' ),
		)
	);

	register_setting(
		'general',
		'blogdescription',
		array(
			'show_in_rest' => array(
				'name' => 'description',
			),
			'type'         => 'string',
			'label'        => __( 'Tagline' ),
			'description'  => __( 'Site tagline.' ),
		)
	);

	if ( ! is_multisite() ) {
		register_setting(
			'general',
			'siteurl',
			array(
				'show_in_rest' => array(
					'name'   => 'url',
					'schema' => array(
						'format' => 'uri',
					),
				),
				'type'         => 'string',
				'description'  => __( 'Site URL.' ),
			)
		);
	}

	if ( ! is_multisite() ) {
		register_setting(
			'general',
			'admin_email',
			array(
				'show_in_rest' => array(
					'name'   => 'email',
					'schema' => array(
						'format' => 'email',
					),
				),
				'type'         => 'string',
				'description'  => __( 'This address is used for admin purposes, like new user notification.' ),
			)
		);
	}

	register_setting(
		'general',
		'timezone_string',
		array(
			'show_in_rest' => array(
				'name' => 'timezone',
			),
			'type'         => 'string',
			'description'  => __( 'A city in the same timezone as you.' ),
		)
	);

	register_setting(
		'general',
		'date_format',
		array(
			'show_in_rest' => true,
			'type'         => 'string',
			'description'  => __( 'A date format for all date strings.' ),
		)
	);

	register_setting(
		'general',
		'time_format',
		array(
			'show_in_rest' => true,
			'type'         => 'string',
			'description'  => __( 'A time format for all time strings.' ),
		)
	);

	register_setting(
		'general',
		'start_of_week',
		array(
			'show_in_rest' => true,
			'type'         => 'integer',
			'description'  => __( 'A day number of the week that the week should start on.' ),
		)
	);

	register_setting(
		'general',
		'WPLANG',
		array(
			'show_in_rest' => array(
				'name' => 'language',
			),
			'type'         => 'string',
			'description'  => __( 'WordPress locale code.' ),
			'default'      => 'en_US',
		)
	);

	register_setting(
		'writing',
		'use_smilies',
		array(
			'show_in_rest' => true,
			'type'         => 'boolean',
			'description'  => __( 'Convert emoticons like :-) and :-P to graphics on display.' ),
			'default'      => true,
		)
	);

	register_setting(
		'writing',
		'default_category',
		array(
			'show_in_rest' => true,
			'type'         => 'integer',
			'description'  => __( 'Default post category.' ),
		)
	);

	register_setting(
		'writing',
		'default_post_format',
		array(
			'show_in_rest' => true,
			'type'         => 'string',
			'description'  => __( 'Default post format.' ),
		)
	);

	register_setting(
		'reading',
		'posts_per_page',
		array(
			'show_in_rest' => true,
			'type'         => 'integer',
			'label'        => __( 'Maximum posts per page' ),
			'description'  => __( 'Blog pages show at most.' ),
			'default'      => 10,
		)
	);

	register_setting(
		'reading',
		'show_on_front',
		array(
			'show_in_rest' => true,
			'type'         => 'string',
			'label'        => __( 'Show on front' ),
			'description'  => __( 'What to show on the front page' ),
		)
	);

	register_setting(
		'reading',
		'page_on_front',
		array(
			'show_in_rest' => true,
			'type'         => 'integer',
			'label'        => __( 'Page on front' ),
			'description'  => __( 'The ID of the page that should be displayed on the front page' ),
		)
	);

	register_setting(
		'reading',
		'page_for_posts',
		array(
			'show_in_rest' => true,
			'type'         => 'integer',
			'description'  => __( 'The ID of the page that should display the latest posts' ),
		)
	);

	register_setting(
		'discussion',
		'default_ping_status',
		array(
			'show_in_rest' => array(
				'schema' => array(
					'enum' => array( 'open', 'closed' ),
				),
			),
			'type'         => 'string',
			'description'  => __( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new articles.' ),
		)
	);

	register_setting(
		'discussion',
		'default_comment_status',
		array(
			'show_in_rest' => array(
				'schema' => array(
					'enum' => array( 'open', 'closed' ),
				),
			),
			'type'         => 'string',
			'label'        => __( 'Allow comments on new posts' ),
			'description'  => __( 'Allow people to submit comments on new posts.' ),
		)
	);
}

/**
 * Registers a setting and its data.
 *
 * @since 2.7.0
 * @since 3.0.0 The `misc` option group was deprecated.
 * @since 3.5.0 The `privacy` option group was deprecated.
 * @since 4.7.0 `$args` can be passed to set flags on the setting, similar to `register_meta()`.
 * @since 5.5.0 `$new_whitelist_options` was renamed to `$new_allowed_options`.
 *              Please consider writing more inclusive code.
 * @since 6.6.0 Added the `label` argument.
 *
 * @global array $new_allowed_options
 * @global array $wp_registered_settings
 *
 * @param string $option_group A settings group name. Should correspond to an allowed option key name.
 *                             Default allowed option key names include 'general', 'discussion', 'media',
 *                             'reading', 'writing', and 'options'.
 * @param string $option_name The name of an option to sanitize and save.
 * @param array  $args {
 *     Data used to describe the setting when registered.
 *
 *     @type string     $type              The type of data associated with this setting.
 *                                         Valid values are 'string', 'boolean', 'integer', 'number', 'array', and 'object'.
 *     @type string     $label             A label of the data attached to this setting.
 *     @type string     $description       A description of the data attached to this setting.
 *     @type callable   $sanitize_callback A callback function that sanitizes the option's value.
 *     @type bool|array $show_in_rest      Whether data associated with this setting should be included in the REST API.
 *                                         When registering complex settings, this argument may optionally be an
 *                                         array with a 'schema' key.
 *     @type mixed      $default           Default value when calling `get_option()`.
 * }
 */
function register_setting( $option_group, $option_name, $args = array() ) {
	global $new_allowed_options, $wp_registered_settings;

	/*
	 * In 5.5.0, the `$new_whitelist_options` global variable was renamed to `$new_allowed_options`.
	 * Please consider writing more inclusive code.
	 */
	$GLOBALS['new_whitelist_options'] = &$new_allowed_options;

	$defaults = array(
		'type'              => 'string',
		'group'             => $option_group,
		'label'             => '',
		'description'       => '',
		'sanitize_callback' => null,
		'show_in_rest'      => false,
	);

	// Back-compat: old sanitize callback is added.
	if ( is_callable( $args ) ) {
		$args = array(
			'sanitize_callback' => $args,
		);
	}

	/**
	 * Filters the registration arguments when registering a setting.
	 *
	 * @since 4.7.0
	 *
	 * @param array  $args         Array of setting registration arguments.
	 * @param array  $defaults     Array of default arguments.
	 * @param string $option_group Setting group.
	 * @param string $option_name  Setting name.
	 */
	$args = apply_filters( 'register_setting_args', $args, $defaults, $option_group, $option_name );

	$args = wp_parse_args( $args, $defaults );

	// Require an item schema when registering settings with an array type.
	if ( false !== $args['show_in_rest'] && 'array' === $args['type'] && ( ! is_array( $args['show_in_rest'] ) || ! isset( $args['show_in_rest']['schema']['items'] ) ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'When registering an "array" setting to show in the REST API, you must specify the schema for each array item in "show_in_rest.schema.items".' ), '5.4.0' );
	}

	if ( ! is_array( $wp_registered_settings ) ) {
		$wp_registered_settings = array();
	}

	if ( 'misc' === $option_group ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.0.0',
			sprintf(
				/* translators: %s: misc */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'misc'
			)
		);
		$option_group = 'general';
	}

	if ( 'privacy' === $option_group ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.5.0',
			sprintf(
				/* translators: %s: privacy */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'privacy'
			)
		);
		$option_group = 'reading';
	}

	$new_allowed_options[ $option_group ][] = $option_name;

	if ( ! empty( $args['sanitize_callback'] ) ) {
		add_filter( "sanitize_option_{$option_name}", $args['sanitize_callback'] );
	}
	if ( array_key_exists( 'default', $args ) ) {
		add_filter( "default_option_{$option_name}", 'filter_default_option', 10, 3 );
	}

	/**
	 * Fires immediately before the setting is registered but after its filters are in place.
	 *
	 * @since 5.5.0
	 *
	 * @param string $option_group Setting group.
	 * @param string $option_name  Setting name.
	 * @param array  $args         Array of setting registration arguments.
	 */
	do_action( 'register_setting', $option_group, $option_name, $args );

	$wp_registered_settings[ $option_name ] = $args;
}

/**
 * Unregisters a setting.
 *
 * @since 2.7.0
 * @since 4.7.0 `$sanitize_callback` was deprecated. The callback from `register_setting()` is now used instead.
 * @since 5.5.0 `$new_whitelist_options` was renamed to `$new_allowed_options`.
 *              Please consider writing more inclusive code.
 *
 * @global array $new_allowed_options
 * @global array $wp_registered_settings
 *
 * @param string   $option_group The settings group name used during registration.
 * @param string   $option_name  The name of the option to unregister.
 * @param callable $deprecated   Optional. Deprecated.
 */
function unregister_setting( $option_group, $option_name, $deprecated = '' ) {
	global $new_allowed_options, $wp_registered_settings;

	/*
	 * In 5.5.0, the `$new_whitelist_options` global variable was renamed to `$new_allowed_options`.
	 * Please consider writing more inclusive code.
	 */
	$GLOBALS['new_whitelist_options'] = &$new_allowed_options;

	if ( 'misc' === $option_group ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.0.0',
			sprintf(
				/* translators: %s: misc */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'misc'
			)
		);
		$option_group = 'general';
	}

	if ( 'privacy' === $option_group ) {
		_deprecated_argument(
			__FUNCTION__,
			'3.5.0',
			sprintf(
				/* translators: %s: privacy */
				__( 'The "%s" options group has been removed. Use another settings group.' ),
				'privacy'
			)
		);
		$option_group = 'reading';
	}

	$pos = false;
	if ( isset( $new_allowed_options[ $option_group ] ) ) {
		$pos = array_search( $option_name, (array) $new_allowed_options[ $option_group ], true );
	}

	if ( false !== $pos ) {
		unset( $new_allowed_options[ $option_group ][ $pos ] );
	}

	if ( '' !== $deprecated ) {
		_deprecated_argument(
			__FUNCTION__,
			'4.7.0',
			sprintf(
				/* translators: 1: $sanitize_callback, 2: register_setting() */
				__( '%1$s is deprecated. The callback from %2$s is used instead.' ),
				'<code>$sanitize_callback</code>',
				'<code>register_setting()</code>'
			)
		);
		remove_filter( "sanitize_option_{$option_name}", $deprecated );
	}

	if ( isset( $wp_registered_settings[ $option_name ] ) ) {
		// Remove the sanitize callback if one was set during registration.
		if ( ! empty( $wp_registered_settings[ $option_name ]['sanitize_callback'] ) ) {
			remove_filter( "sanitize_option_{$option_name}", $wp_registered_settings[ $option_name ]['sanitize_callback'] );
		}

		// Remove the default filter if a default was provided during registration.
		if ( array_key_exists( 'default', $wp_registered_settings[ $option_name ] ) ) {
			remove_filter( "default_option_{$option_name}", 'filter_default_option', 10 );
		}

		/**
		 * Fires immediately before the setting is unregistered and after its filters have been removed.
		 *
		 * @since 5.5.0
		 *
		 * @param string $option_group Setting group.
		 * @param string $option_name  Setting name.
		 */
		do_action( 'unregister_setting', $option_group, $option_name );

		unset( $wp_registered_settings[ $option_name ] );
	}
}

/**
 * Retrieves an array of registered settings.
 *
 * @since 4.7.0
 *
 * @global array $wp_registered_settings
 *
 * @return array List of registered settings, keyed by option name.
 */
function get_registered_settings() {
	global $wp_registered_settings;

	if ( ! is_array( $wp_registered_settings ) ) {
		return array();
	}

	return $wp_registered_settings;
}

/**
 * Filters the default value for the option.
 *
 * For settings which register a default setting in `register_setting()`, this
 * function is added as a filter to `default_option_{$option}`.
 *
 * @since 4.7.0
 *
 * @param mixed  $default_value  Existing default value to return.
 * @param string $option         Option name.
 * @param bool   $passed_default Was `get_option()` passed a default value?
 * @return mixed Filtered default value.
 */
function filter_default_option( $default_value, $option, $passed_default ) {
	if ( $passed_default ) {
		return $default_value;
	}

	$registered = get_registered_settings();
	if ( empty( $registered[ $option ] ) ) {
		return $default_value;
	}

	return $registered[ $option ]['default'];
}

/**
 * Returns the values that trigger autoloading from the options table.
 *
 * @since 6.6.0
 *
 * @return string[] The values that trigger autoloading.
 */
function wp_autoload_values_to_autoload() {
	$autoload_values = array( 'yes', 'on', 'auto-on', 'auto' );

	/**
	 * Filters the autoload values that should be considered for autoloading from the options table.
	 *
	 * The filter can only be used to remove autoload values from the default list.
	 *
	 * @since 6.6.0
	 *
	 * @param string[] $autoload_values Autoload values used to autoload option.
	 *                               Default list contains 'yes', 'on', 'auto-on', and 'auto'.
	 */
	$filtered_values = apply_filters( 'wp_autoload_values_to_autoload', $autoload_values );

	return array_intersect( $filtered_values, $autoload_values );
}

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