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<?php |
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namespace YayMail\Utils; |
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|
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trait SingletonTrait { |
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private static $instance; |
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|
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public static function get_instance( ...$args ) { |
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$class = get_called_class(); |
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if ( ! $class::$instance ) { |
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$class::$instance = new $class( ...$args ); |
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} |
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|
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return $class::$instance; |
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} |
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|
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/** Singletons should not be cloneable. */ |
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protected function __clone() { } |
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|
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/** Singletons should not be restorable from strings. */ |
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public function __wakeup() { |
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throw new \Exception( 'Cannot unserialize a singleton.' ); |
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} |
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} |
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