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<?php class Test { protected $protectedVariable; public function __construct() { $this->protectedVariable = 'this belongs to test class'; } } function showCase($callback) { return $callback(5); } $x = showCase(new class () extends Test { public $holder; public $publicVar; public function __construct($classArg) { parent::__construct(); $this->holder = $classArg; } public function multiplyByNo($multiplier) { return $this->holder * $multiplier; } public function getParentVar() { $this->publicVar = $this->protectedVariable; return $this->protectedVariable; } }); var_dump($x->multiplyByNo(10)); var_dump($x->getParentVar()); var_dump($x);
Output for 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 Test@anonymous::__construct(), 0 passed in /in/Zp4Bo on line 18 and exactly 1 expected in /in/Zp4Bo:22 Stack trace: #0 /in/Zp4Bo(18): Test@anonymous->__construct() #1 {main} thrown in /in/Zp4Bo on line 22
Process exited with code 255.
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
Fatal error: Uncaught ArgumentCountError: Too few arguments to function class@anonymous::__construct(), 0 passed in /in/Zp4Bo on line 18 and exactly 1 expected in /in/Zp4Bo:22 Stack trace: #0 /in/Zp4Bo(18): class@anonymous->__construct() #1 {main} thrown in /in/Zp4Bo on line 22
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Warning: Missing argument 1 for class@anonymous::__construct(), called in /in/Zp4Bo on line 18 and defined in /in/Zp4Bo on line 22 Notice: Undefined variable: classArg in /in/Zp4Bo on line 24 Fatal error: Uncaught Error: Function name must be a string in /in/Zp4Bo:15 Stack trace: #0 /in/Zp4Bo(18): showCase(Object(class@anonymous)) #1 {main} thrown in /in/Zp4Bo on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/Zp4Bo on line 18
Process exited with code 255.
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