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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 |
---|---|
140 | /** |
141 | * Fires when an error happens rescheduling a cron event. |
142 | * |
143 | * @since 6.1.0 |
144 | * |
145 | * @param WP_Error $result The WP_Error object. |
146 | * @param string $hook Action hook to execute when the event is run. |
147 | * @param array $v Event data. |
148 | */ |
149 | do_action( 'cron_reschedule_event_error', $result, $hook, $v ); |
150 | } |
151 | } |
152 |
|
153 | $result = wp_unschedule_event( $timestamp, $hook, $v['args'], true ); |
154 |
|
155 | if ( is_wp_error( $result ) ) { |
156 | error_log( |
157 | sprintf( |
158 | /* translators: 1: Hook name, 2: Error code, 3: Error message, 4: Event data. */ |