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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 git.master, git.master_jit, rfc.property-hooks
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.

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