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function is not described

_upgrade_cron_array() WP 2.1.0

Upgrade a Cron info array.

This function upgrades the Cron info array to version 2.

No Hooks.

Return

Array. An upgraded Cron info array.

Usage

_upgrade_cron_array( $cron );
$cron(array) (required)
Cron info array from _get_cron_array().

Code of upgrade cron array: wp-includes/cron.php VER 5.0.3

<?php
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 );
	return $new_cron;
}