PHP Object Instantiation Singleton method, php object instance

PHP Object Instantiation Singleton method, php object instance

How to instantiate an object Singleton in PHP:

Three private and one public: two private methods, one private property, and one public Method

Private function _ construct () {}// the constructor cannot be inherited.

Private function _ clone () {}// the clone method cannot be inherited.

Privare static $ _ instance;

Yi Gong

Public static function getinstance (){

If (! Isset (static: $ _ instance )){

Static: $ _ instance = new static ();

}

Return static: $ _ instance;

}