What are the ways to access static methods in php

How to access static methods in PHP: 1. Use self, the code is [self::test();]; 2. Use the class name, the code is [a::test()]; 3. Use static, the code is [public function test1(){static::test()}].

How to access static methods in php:

1: Use self, the code is as follows

test1();//结果 test

2: Use the class name, the code is as follows

test1();//结果 test

3: Use static, the code is as follows

test1();//结果 test

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