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<?php namespace Test; class Foo { public function bar(\callable $a) { $a(); } public function hello() { echo 'World' . PHP_EOL; } public function test($a) { echo 'Hello' . PHP_EOL; } } $foo = new Foo(); echo is_callable(array($foo, 'hello')); $foo->bar(array($foo, 'hello'));
Output for git.master, git.master_jit, rfc.property-hooks
1 Fatal error: Uncaught TypeError: Test\Foo::bar(): Argument #1 ($a) must be of type callable, array given, called in /in/DGmOG on line 20 and defined in /in/DGmOG:6 Stack trace: #0 /in/DGmOG(20): Test\Foo->bar(Array) #1 {main} thrown in /in/DGmOG on line 6
Process exited with code 255.

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