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36 lines
631 B
36 lines
631 B
<?php |
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/** |
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* Date: 2020/10/13 13:19 |
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* User: chenlong <vip_chenlong@163.com> |
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*/ |
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namespace sdModule\common; |
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/** |
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* 单例 |
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* Trait Singleton |
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* @package sdModule\common |
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*/ |
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trait Singleton |
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{ |
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private static self $instance; |
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/** |
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* @return static |
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*/ |
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public static function getInstance():self |
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{ |
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if (!self::$instance instanceof self){ |
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self::$instance = new self(); |
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self::$instance->init(); |
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} |
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return self::$instance; |
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} |
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private function init(){} |
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private function __construct(){} |
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private function __clone(){} |
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private function __sleep(){} |
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}
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