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<?php namespace Test; class A { public function b(callable $b) { $b(); } public function c(int $c) { } public function d() { echo 'Hello, World' . PHP_EOL; } } $foo = new A(); echo is_callable(array($foo, 'd')) . PHP_EOL; $foo->b(array($foo, 'd')); $foo->c(1); $foo->c('a');
Output for git.master, git.master_jit, rfc.property-hooks
1 Hello, World Fatal error: Uncaught TypeError: Test\A::c(): Argument #1 ($c) must be of type int, string given, called in /in/FFVCI on line 25 and defined in /in/FFVCI:12 Stack trace: #0 /in/FFVCI(25): Test\A->c('a') #1 {main} thrown in /in/FFVCI on line 12
Process exited with code 255.

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