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<?php class A { public $foo; function setFoo($foo) { $this->foo = $foo; } function getFoo($foo) { return $this->foo; } } class B { function setObj(A $a, $value) { $a->setFoo($value); } } $a = new A(); $b = new B(); $a->setFoo(1); echo $a->getFoo(), PHP_EOL; $b->setObj($a, 5); echo $a->getFoo(), PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function A::getFoo(), 0 passed in /in/WPu9M on line 22 and exactly 1 expected in /in/WPu9M:7 Stack trace: #0 /in/WPu9M(22): A->getFoo() #1 {main} thrown in /in/WPu9M on line 7
Process exited with code 255.

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