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<?php |
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|
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namespace Gianism\Pattern; |
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|
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/** |
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* Singleton Pattern |
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* |
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* @package Gianism |
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* @author Takahashi Fumiki |
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* @since 2.0 |
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*/ |
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abstract class Singleton { |
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|
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/** |
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* Instance holder |
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* |
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* @var array |
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*/ |
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protected static $instances = []; |
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|
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/** |
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* Constructor |
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* |
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* @param array $argument |
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* @phpstan-ignore constructor.unusedParameter |
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*/ |
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protected function __construct( array $argument = [] ) { |
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// Override something. |
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} |
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|
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/** |
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* Get instance |
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* |
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* @param array $argument |
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* |
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* @return static |
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*/ |
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final public static function get_instance( array $argument = [] ) { |
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$class_name = get_called_class(); |
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if ( ! isset( self::$instances[ $class_name ] ) ) { |
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self::$instances[ $class_name ] = new $class_name( $argument ); |
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} |
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|
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return self::$instances[ $class_name ]; |
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} |
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} |
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|
