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do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 204 | * non-web runtimes. If this filter returns true, maintenance mode will be |
| 205 | * active and the request will end. If false, the request will be allowed to |
| 206 | * continue processing even if maintenance mode should be active. |
| 207 | * |
| 208 | * @since 4.6.0 |
| 209 | * |
| 210 | * @param bool $enable_checks Whether to enable maintenance mode. Default true. |
| 211 | * @param int $upgrading The timestamp set in the .maintenance file. |
| 212 | */ |
| 213 | if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) { |
| 214 | return; |
| 215 | } |
| 216 | |
| 217 | if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) { |
| 218 | require_once( WP_CONTENT_DIR . '/maintenance.php' ); |
| 219 | die(); |
| 220 | } |
| 221 | |
| 222 | require_once( ABSPATH . WPINC . '/functions.php' ); |