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<?php |
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|
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/** |
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* Class Singleton |
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*/ |
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|
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namespace LearnPress\Helpers; |
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|
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trait Singleton { |
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private static $instance = null; |
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final public static function instance(): self { |
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if ( is_null( static::$instance ) ) { |
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static::$instance = new static(); |
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} |
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|
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return static::$instance; |
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} |
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|
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final private function __construct() { |
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$this->init(); |
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} |
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|
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abstract public function init(); |
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} |
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