Returns true if the $index is a named value in the registry,
or false if $index was not found in the registry.
| public offsetExists ( string $index ) : boolean | ||
| $index | string | Index |
| Результат | boolean | |
/**
* Returns true if the $index is a named value in the registry,
* or false if $index was not found in the registry.
*
* @param string $index Index
*
* @return boolean
*/
public static function isRegistered($index)
{
if (self::$registry === null) {
return false;
}
return self::$registry->offsetExists($index);
}
