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<?php abstract class messageDetail { abstract function filter($msg); } class setmessage extends messageDetail { public function filter($msg) { return $msg; } } class messageHandle extends messageDetail { public $message; public $obj; public function __construct($obj) { $this -> obj = $obj; } public function filter($msg) { $this -> message = $msg; } } class htmlFilter extends messageHandle { public function filter($msg) { parent::filter($msg); return 'html过滤'.$this->msg; } } class ensitiveFilter extends messageHandle { public function filter($msg) { parent::filter($msg); return '敏感词汇过滤'.$this->message; } } $obj = new htmlFilter(); echo $obj -> filter('测试一下');
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ArgumentCountError: Too few arguments to function messageHandle::__construct(), 0 passed in /in/9UbRY on line 48 and exactly 1 expected in /in/9UbRY:19 Stack trace: #0 /in/9UbRY(48): messageHandle->__construct() #1 {main} thrown in /in/9UbRY on line 19
Process exited with code 255.
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
Warning: Missing argument 1 for messageHandle::__construct(), called in /in/9UbRY on line 48 and defined in /in/9UbRY on line 19 Notice: Undefined variable: obj in /in/9UbRY on line 21 Notice: Undefined property: htmlFilter::$msg in /in/9UbRY on line 35 html过滤
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Warning: Missing argument 1 for messageHandle::__construct(), called in /in/9UbRY on line 48 and defined in /in/9UbRY on line 19 Notice: Undefined variable: obj in /in/9UbRY on line 21 Notice: Undefined property: htmlFilter::$msg in /in/9UbRY on line 35 html过滤
Output for 5.0.0 - 5.0.5
Warning: Missing argument 1 for messageHandle::__construct() in /in/9UbRY on line 19 Notice: Undefined property: htmlFilter::$msg in /in/9UbRY on line 35 html过滤
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/9UbRY on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/9UbRY on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9UbRY on line 2
Process exited with code 255.
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