delete_network_option( int|null $network_id, string $option ): bool

Source

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 ) {	$notoptions_key = "$network_id:notoptions";	$notoptions = wp_cache_get( $notoptions_key, 'site-options' );	if ( ! is_array( $notoptions ) ) {	$notoptions = array();	}	$notoptions[ $option ] = true;	wp_cache_set( $notoptions_key, $notoptions, 'site-options' );	}	}	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; } 

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