20 * @var bool |
20 * @var bool |
21 */ |
21 */ |
22 define('DOING_CRON', true); |
22 define('DOING_CRON', true); |
23 |
23 |
24 if ( !defined('ABSPATH') ) { |
24 if ( !defined('ABSPATH') ) { |
25 /** Setup WordPress environment */ |
25 /** Set up WordPress environment */ |
26 require_once('./wp-load.php'); |
26 require_once('./wp-load.php'); |
|
27 } |
|
28 |
|
29 // Uncached doing_cron transient fetch |
|
30 function _get_cron_lock() { |
|
31 global $_wp_using_ext_object_cache, $wpdb; |
|
32 |
|
33 $value = 0; |
|
34 if ( $_wp_using_ext_object_cache ) { |
|
35 // Skip local cache and force refetch of doing_cron transient in case |
|
36 // another processs updated the cache |
|
37 $value = wp_cache_get( 'doing_cron', 'transient', true ); |
|
38 } else { |
|
39 $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 ) ) |
|
41 $value = $row->option_value; |
|
42 } |
|
43 |
|
44 return $value; |
27 } |
45 } |
28 |
46 |
29 if ( false === $crons = _get_cron_array() ) |
47 if ( false === $crons = _get_cron_array() ) |
30 die(); |
48 die(); |
31 |
49 |
32 $keys = array_keys( $crons ); |
50 $keys = array_keys( $crons ); |
33 $local_time = time(); |
51 $local_time = microtime( true ); |
34 |
52 |
35 if ( isset($keys[0]) && $keys[0] > $local_time ) |
53 if ( isset($keys[0]) && $keys[0] > $local_time ) |
36 die(); |
54 die(); |
37 |
55 |
38 foreach ($crons as $timestamp => $cronhooks) { |
56 $doing_cron_transient = get_transient( 'doing_cron'); |
|
57 |
|
58 // Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock. |
|
59 if ( empty( $doing_wp_cron ) ) { |
|
60 if ( empty( $_GET[ 'doing_wp_cron' ] ) ) { |
|
61 // Called from external script/job. Try setting a lock. |
|
62 if ( $doing_cron_transient && ( $doing_cron_transient + WP_CRON_LOCK_TIMEOUT > $local_time ) ) |
|
63 return; |
|
64 $doing_cron_transient = $doing_wp_cron = sprintf( '%.22F', microtime( true ) ); |
|
65 set_transient( 'doing_cron', $doing_wp_cron ); |
|
66 } else { |
|
67 $doing_wp_cron = $_GET[ 'doing_wp_cron' ]; |
|
68 } |
|
69 } |
|
70 |
|
71 // Check lock |
|
72 if ( $doing_cron_transient != $doing_wp_cron ) |
|
73 return; |
|
74 |
|
75 foreach ( $crons as $timestamp => $cronhooks ) { |
39 if ( $timestamp > $local_time ) |
76 if ( $timestamp > $local_time ) |
40 break; |
77 break; |
41 |
78 |
42 foreach ($cronhooks as $hook => $keys) { |
79 foreach ( $cronhooks as $hook => $keys ) { |
43 |
80 |
44 foreach ($keys as $k => $v) { |
81 foreach ( $keys as $k => $v ) { |
45 |
82 |
46 $schedule = $v['schedule']; |
83 $schedule = $v['schedule']; |
47 |
84 |
48 if ($schedule != false) { |
85 if ( $schedule != false ) { |
49 $new_args = array($timestamp, $schedule, $hook, $v['args']); |
86 $new_args = array($timestamp, $schedule, $hook, $v['args']); |
50 call_user_func_array('wp_reschedule_event', $new_args); |
87 call_user_func_array('wp_reschedule_event', $new_args); |
51 } |
88 } |
52 |
89 |
53 wp_unschedule_event($timestamp, $hook, $v['args']); |
90 wp_unschedule_event( $timestamp, $hook, $v['args'] ); |
54 |
91 |
55 do_action_ref_array($hook, $v['args']); |
92 do_action_ref_array( $hook, $v['args'] ); |
|
93 |
|
94 // If the hook ran too long and another cron process stole the lock, quit. |
|
95 if ( _get_cron_lock() != $doing_wp_cron ) |
|
96 return; |
56 } |
97 } |
57 } |
98 } |
58 } |
99 } |
59 |
100 |
|
101 if ( _get_cron_lock() == $doing_wp_cron ) |
|
102 delete_transient( 'doing_cron' ); |
|
103 |
60 die(); |
104 die(); |