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<?php class Foo { public function bar() { echo "baz"; } } function on(callable $c) // Warning, no call { $c(); // Warning, call } $c = ["Foo", "bar"]; // No warning, no call on($c);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: on(): Argument #1 ($c) must be of type callable, array given, called in /in/DdQPp on line 16 and defined in /in/DdQPp:10 Stack trace: #0 /in/DdQPp(16): on(Array) #1 {main} thrown in /in/DdQPp on line 10
Process exited with code 255.

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