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<?php abstract class myparent { public function foo($bar) { // do stuff } } class mychild extends myparent { public $val; private function bar(myparent &$baz) { // do stuff } public function __construct($val) { $this->val = $val; } } $child = new mychild('hello world'); $child->foo('test'); $reflection = new reflectionClass('myparent'); echo $reflection->isInstance() ? 'yes' : 'no';
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught ArgumentCountError: ReflectionClass::isInstance() expects exactly 1 argument, 0 given in /in/BuZY5:26 Stack trace: #0 /in/BuZY5(26): ReflectionClass->isInstance() #1 {main} thrown in /in/BuZY5 on line 26
Process exited with code 255.
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: ReflectionClass::isInstance() expects exactly 1 parameter, 0 given in /in/BuZY5 on line 26 no
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Warning</b>: ReflectionClass::isInstance() expects exactly 1 parameter, 0 given in <b>/in/BuZY5</b> on line <b>26</b><br /> no
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_CLASS in <b>/in/BuZY5</b> on line <b>2</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_CLASS in <b>/in/BuZY5</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/BuZY5</b> on line <b>2</b><br />
Process exited with code 255.
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224.5 ms | 402 KiB | 361 Q