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Home  >  Article  >  php教程  >  PHP singleton pattern implementation

PHP singleton pattern implementation

大家讲道理
大家讲道理Original
2016-11-09 14:28:191302browse

test();
echo PHP_EOL;
$b = Singleton::getInstance(); //第二次调用时不执行构造方法
$b->test();
echo PHP_EOL;
//$c=new Singleton();由于构造方法私有，这个会报错的
//$d=clone $a;克隆对象报错

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