wp_clear_scheduled_hook( string $hook, array $args = array() )

Unschedules all events attached to the hook with the specified arguments.

Contents

Description Description

Parameters Parameters

$hook

(string) (Required) Action hook, the execution of which will be unscheduled.

$args

(array) (Optional) Arguments that were to be passed to the hook's callback function.

Default value: array()

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Source Source

File: wp-includes/cron.php 

function wp_clear_scheduled_hook( $hook, $args = array() ) {
	// Backward compatibility
	// Previously this function took the arguments as discrete vars rather than an array like the rest of the API
	if ( !is_array($args) ) {
		_deprecated_argument( __FUNCTION__, '3.0.0', __('This argument has changed to an array to match the behavior of the other cron functions.') );
		$args = array_slice( func_get_args(), 1 );
	}

	// This logic duplicates wp_next_scheduled()
	// It's required due to a scenario where wp_unschedule_event() fails due to update_option() failing,
	// and, wp_next_scheduled() returns the same schedule in an infinite loop.
	$crons = _get_cron_array();
	if ( empty( $crons ) )
		return;

	$key = md5( serialize( $args ) );
	foreach ( $crons as $timestamp => $cron ) {
		if ( isset( $cron[ $hook ][ $key ] ) ) {
			wp_unschedule_event( $timestamp, $hook, $args );
		}
	}
}

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Changelog Changelog

Changelog
Version Description
2.1.0 Introduced.

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Uses Uses

Uses
Uses Description
wp-includes/cron.php: _get_cron_array()

Retrieve cron info array option.
wp-includes/cron.php: wp_unschedule_event()

Unschedule a previously scheduled event.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/functions.php: _deprecated_argument()

Mark a function argument as deprecated and inform when it has been used.

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User Contributed Notes User Contributed Notes

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    Contributed by Codex —

    Basic Example

    Clear a scheduled event

    // If you previously added for example
// wp_schedule_single_event( time() + 3600, 'my_new_event' );

wp_clear_scheduled_hook( 'my_new_event' );

// or this if you created something like
// wp_schedule_single_event( time() + 3600, 'my_new_event', array( 'some_arg' ) );

wp_clear_scheduled_hook( 'my_new_event', array( 'some_arg' ) );

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