How to call non-static variables in php static methods

The method for static methods in php to call non-static variables: first instantiate the object in the static method in the class; then call the method in the class, the code is [public function testCallStaticFun(){echo "call static function }].

How to call non-static variables from static methods in php:

Static methods call non-static methods : In the static method in the class, you need to instantiate the object and then call the method in the class

Non-static method calls the static method: You can self or add to the class name:: is called in the form of

as in the following case:

<?php
class A{
    public function noneStaticFun(){
        echo  __CLASS__." none static function<br/>";
    }
    public static function staticFun(){
        echo __CLASS__." static function<br/>";
        //静态方法调用非静态方法，需要实例化对象然后再调用对象中的非静态方法
        (new A())->noneStaticFun();
    }
    public function testCallStaticFun(){
        echo "call static function<br/>";
        //调用本类的静态方法，使用 self关键字或者类名
        self::staticFun();
        //A::staticFun(); //也可以使用这种方式
        //调用其它类的静态方法，直接使用类名::方法名的形式调用
        B::myStaticFun();
    }
}
class B{
    public static function myStaticFun(){
        echo __CLASS__." static function<br/>";
    }
}
//演示
$testA = new A();
$testA->testCallStaticFun();
A::staticFun();

Running result:

call static function
A static function
A none static function
B static function
A static function
A none static function

Related free learning recommendations: php programming (video)

The above is the detailed content of How to call non-static variables in php static methods. For more information, please follow other related articles on the PHP Chinese website!