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			wp_update_core is deprecated since version 3.7.0!
Alternative: new Core_Upgrader();
Alternative: new Core_Upgrader();
wp_update_core › WordPress Function
Since2.7.0
Deprecated3.7.0
› wp_update_core ( $current, $feedback = '' )
| See: | 
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| Defined at: | 
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| Codex: | 
This was once used to kick-off the Core Updater.
Deprecated in favor of instantiating a Core_Upgrader instance directly, and calling the 'upgrade' method.Related Functions: update_core, wp_update_comment, wp_update_category, wp_update_post, wp_update_user
	Source
function wp_update_core($current, $feedback = '') {
	_deprecated_function( __FUNCTION__, '3.7.0', 'new Core_Upgrader();' );
	if ( !empty($feedback) )
		add_filter('update_feedback', $feedback);
	require ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
	$upgrader = new Core_Upgrader();
	return $upgrader->upgrade($current);
}