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<?php class A { private $name; function __construct($param){ $this->name = 'liming'.'<br>'; } function getName() { echo $this->name; } // 调用子类中的方法getAge2 function getAge() { $this->getAge2(); } function getAge3() { return '23'; } } class B extends A { function getAge2(){ echo $this->getAge3(); } } (new A)->getAge();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function A::__construct(), 0 passed in /in/CP9Op on line 27 and exactly 1 expected in /in/CP9Op:4 Stack trace: #0 /in/CP9Op(27): A->__construct() #1 {main} thrown in /in/CP9Op on line 4
Process exited with code 255.

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