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<?php class CbMan { public function fn(callable $cb) { echo $cb(); } } class Pippo { public function yah() { return "hello world"; } } $methods = ['yah']; $aa = function($instance, $methods) { return call_user_func($instance, $methods); }; $cb = $aa($instance, $methods); $cbman = new CbMan(); $cbman->fn($cb);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $instance in /in/8QDht on line 23 Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, no array or string given in /in/8QDht:21 Stack trace: #0 /in/8QDht(23): {closure}(NULL, Array) #1 {main} thrown in /in/8QDht on line 21
Process exited with code 255.

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