delete_network_option( int $network_id, string $option )
Removes a network option by name.
Description
See also
Parameters
- $network_id
-
(Required) ID of the network. Can be null to default to the current network ID.
- $option
-
(Required) Name of option to remove. Expected to not be SQL-escaped.
Return
(bool) True, if succeed. False, if failure.
Source
File: wp-includes/option.php
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 WP-3.0.0
* @since WP-4.4.0 The `$option` parameter was added.
* @since WP-4.7.0 The `$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 WP-2.9.0 As "delete_site_option_{$key}"
* @since WP-3.0.0
* @since WP-4.7.0 The `$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, $network_id );
/**
* Fires after a network option has been deleted.
*
* @since WP-3.0.0
* @since WP-4.7.0 The `$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;
}
Changelog
Version | Description |
---|---|
WP-4.4.0 | Introduced. |