enable_maintenance_mode │ filter-hook │ WP 4.6.0

Filters whether to enable maintenance mode.

This filter runs before it can be used by plugins. It is designed for non-web runtimes. If this filter returns true, maintenance mode will be active and the request will end. If false, the request will be allowed to continue processing even if maintenance mode should be active.

Usage

add_filter( 'enable_maintenance_mode', 'wp_kama_enable_maintenance_mode_filter', 10, 2 );

/**
 * Function for `enable_maintenance_mode` filter-hook.
 * 
 * @param bool $enable_checks Whether to enable maintenance mode.
 * @param int  $upgrading     The timestamp set in the .maintenance file.
 *
 * @return bool
 */
function wp_kama_enable_maintenance_mode_filter( $enable_checks, $upgrading ){

	// filter...
	return $enable_checks;
}

$enable_checks(true|false)

Whether to enable maintenance mode.
Default: true

$upgrading(int)

The timestamp set in the .maintenance file.

Changelog

Where the hook is called

if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) {

Where the hook is used in WordPress