wp/wp-cron.php
changeset 5 5e2f62d02dcd
parent 0 d970ebf37754
child 7 cf61fcea0001
equal deleted inserted replaced
4:346c88efed21 5:5e2f62d02dcd
    24 if ( !defined('ABSPATH') ) {
    24 if ( !defined('ABSPATH') ) {
    25 	/** Set up WordPress environment */
    25 	/** Set up WordPress environment */
    26 	require_once( dirname( __FILE__ ) . '/wp-load.php' );
    26 	require_once( dirname( __FILE__ ) . '/wp-load.php' );
    27 }
    27 }
    28 
    28 
    29 // Uncached doing_cron transient fetch
    29 /**
       
    30  * Retrieves the cron lock.
       
    31  *
       
    32  * Returns the uncached `doing_cron` transient.
       
    33  *
       
    34  * @ignore
       
    35  * @since 3.3.0
       
    36  *
       
    37  * @return string|false Value of the `doing_cron` transient, 0|false otherwise.
       
    38  */
    30 function _get_cron_lock() {
    39 function _get_cron_lock() {
    31 	global $wpdb;
    40 	global $wpdb;
    32 
    41 
    33 	$value = 0;
    42 	$value = 0;
    34 	if ( wp_using_ext_object_cache() ) {
    43 	if ( wp_using_ext_object_cache() ) {
    35 		// Skip local cache and force refetch of doing_cron transient in case
    44 		/*
    36 		// another processs updated the cache
    45 		 * Skip local cache and force re-fetch of doing_cron transient
       
    46 		 * in case another process updated the cache.
       
    47 		 */
    37 		$value = wp_cache_get( 'doing_cron', 'transient', true );
    48 		$value = wp_cache_get( 'doing_cron', 'transient', true );
    38 	} else {
    49 	} else {
    39 		$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
    50 		$row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
    40 		if ( is_object( $row ) )
    51 		if ( is_object( $row ) )
    41 			$value = $row->option_value;
    52 			$value = $row->option_value;
    90 			wp_unschedule_event( $timestamp, $hook, $v['args'] );
   101 			wp_unschedule_event( $timestamp, $hook, $v['args'] );
    91 
   102 
    92 			/**
   103 			/**
    93 			 * Fires scheduled events.
   104 			 * Fires scheduled events.
    94 			 *
   105 			 *
       
   106 			 * @ignore
    95 			 * @since 2.1.0
   107 			 * @since 2.1.0
    96 			 *
   108 			 *
    97 			 * @param string $hook Name of the hook that was scheduled to be fired.
   109 			 * @param string $hook Name of the hook that was scheduled to be fired.
    98 			 * @param array $v['args'] The arguments to be passed to the hook.
   110 			 * @param array  $args The arguments to be passed to the hook.
    99 			 */
   111 			 */
   100  			do_action_ref_array( $hook, $v['args'] );
   112  			do_action_ref_array( $hook, $v['args'] );
   101 
   113 
   102 			// If the hook ran too long and another cron process stole the lock, quit.
   114 			// If the hook ran too long and another cron process stole the lock, quit.
   103 			if ( _get_cron_lock() != $doing_wp_cron )
   115 			if ( _get_cron_lock() != $doing_wp_cron )