/**
* Gets the Multiton instance referenced by key.
*
* Automatically creates an instance if non exists. If one instance already exists, the argument list is ignored.
*
* @param string $key The key of the Multiton instance to get.
* @param mixed $args,... The arguments for creating the Multiton instance.
*
* @return Multiton The Multiton instance.
*/
public static function instance($key = 'default')
{
if (!is_string($key) and !empty($key)) {
throw new \InvalidArgumentException("The \$key must be a non-empty string.");
}
$class = static::$T;
if (!class_exists($class)) {
throw new Exceptions\ClassNotFoundException("The class {$class} was not found.");
}
if (!array_key_exists($class, static::$instances) or !array_key_exists($key, static::$instances[$class])) {
if (!array_key_exists($class, static::$cache)) {
static::$cache[$class]['forgeable'] = Utils::class_implements($class, 'axelitus\\Patterns\\Interfaces\\Forgeable');
}
$args = array_slice(func_get_args(), 1);
if (static::$cache[$class]['forgeable']) {
static::$instances[$class][$key] = call_user_func_array([$class, 'forge'], $args);
} else {
$ref = new \ReflectionClass($class);
$ctor = $ref->getConstructor();
$ctor->setAccessible(true);
static::$instances[$class][$key] = $ref->newInstanceWithoutConstructor();
$ctor->invokeArgs(static::$instances[$class][$key], $args);
}
}
return static::$instances[$class][$key];
}
/**
* Gets the current Singleton instance.
*
* Automatically creates an instance if non exists. If one instance already exists, the argument list is ignored.
*
* @param mixed $args,... The arguments for creating the Singleton instance.
*
* @return Singleton The Singleton instance.
*/
public static function instance()
{
$class = get_called_class();
if (!array_key_exists($class, static::$instances)) {
if (!array_key_exists($class, static::$cache)) {
static::$cache[$class]['forgeable'] = Utils::class_implements($class, 'axelitus\\Patterns\\Interfaces\\Forgeable');
}
$args = func_get_args();
if (static::$cache[$class]['forgeable']) {
static::$instances[$class] = call_user_func_array([$class, 'forge'], $args);
} else {
$ref = new \ReflectionClass($class);
$ctor = $ref->getConstructor();
$ctor->setAccessible(true);
static::$instances[$class] = $ref->newInstanceWithoutConstructor();
$ctor->invokeArgs(static::$instances[$class], $args);
}
}
return static::$instances[$class];
}
