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<?php class Test { public function test() { $self = $this; $t = function($var) { return ($this->hello($var)); }; $arr = array(true, false, true, false); $arr = array_filter($arr, $t); var_dump($arr); } public function hello($b) { return $b; } } $obj = new Test(); $obj->test();
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> bool(true) [2]=> bool(true) }

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