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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 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
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.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 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.
Output for 7.0.33
Warning: Missing argument 1 for A::__construct(), called in /in/CP9Op on line 27 and defined in /in/CP9Op on line 4 Fatal error: Uncaught Error: Call to undefined method A::getAge2() in /in/CP9Op:13 Stack trace: #0 /in/CP9Op(27): A->getAge() #1 {main} thrown in /in/CP9Op on line 13
Process exited with code 255.
Output for 5.6.38
Warning: Missing argument 1 for A::__construct(), called in /in/CP9Op on line 27 and defined in /in/CP9Op on line 4 Fatal error: Call to undefined method A::getAge2() in /in/CP9Op on line 13
Process exited with code 255.

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