Upgrades a cron info array.

Description

This function upgrades the cron info array to version 2.

Parameters

$cronarrayrequired

Cron info array from _get_cron_array() .

Return

Source

function _upgrade_cron_array( $cron ) {
	if ( isset( $cron['version'] ) && 2 === $cron['version'] ) {
		return $cron;
	}

	$new_cron = array();

	foreach ( (array) $cron as $timestamp => $hooks ) {
		foreach ( (array) $hooks as $hook => $args ) {
			$key = md5( serialize( $args['args'] ) );

			$new_cron[ $timestamp ][ $hook ][ $key ] = $args;
		}
	}

	$new_cron['version'] = 2;

	update_option( 'cron', $new_cron, true );

	return $new_cron;
}

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