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The best way to understand what a hook does is to look at where it occurs in the source code.
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 |
|---|---|
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | function wp_get_schedules() { |
| 118 | $schedules = array( |
| 119 | 'hourly' => array( 'interval' => 3600, 'display' => __('Once Hourly') ), |
| 120 | 'daily' => array( 'interval' => 86400, 'display' => __('Once Daily') ), |
| 121 | ); |
| 122 | return array_merge( apply_filters( 'cron_schedules', array() ), $schedules ); |
| 123 | } |
| 124 | |
| 125 | function wp_get_schedule($hook, $args = array()) { |
| 126 | $crons = _get_cron_array(); |
| 127 | $key = md5(serialize($args)); |
| 128 | if ( empty($crons) ) |
| 129 | return false; |
| 130 | foreach ( $crons as $timestamp => $cron ) { |
| 131 | if ( isset( $cron[$hook][$key] ) ) |