Cron: Fix a case where a cache inconsistency can cause wp_clear_scheduled_hook() to enter an infinite loop. This unravels the function from using other cron api functions to looping over the cron array directly. See #25773
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@ -168,8 +168,19 @@ function wp_clear_scheduled_hook( $hook, $args = array() ) {
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$args = array_slice( func_get_args(), 1 );
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$args = array_slice( func_get_args(), 1 );
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}
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}
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while ( $timestamp = wp_next_scheduled( $hook, $args ) )
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// This logic duplicates wp_next_scheduled()
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// It's required due to a scenario where wp_unschedule_event() fails due to update_option() failing,
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// and, wp_next_scheduled() returns the same schedule in an infinite loop.
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$crons = _get_cron_array();
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if ( empty( $crons ) )
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return;
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$key = md5( serialize( $args ) );
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foreach ( $crons as $timestamp => $cron ) {
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if ( isset( $cron[ $hook ][ $key ] ) ) {
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wp_unschedule_event( $timestamp, $hook, $args );
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wp_unschedule_event( $timestamp, $hook, $args );
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}
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}
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}
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}
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/**
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/**
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