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<?php $x = function(){var_dump(func_get_args());}; $y = array ('foo'=>1,2,3,4); array_walk($y, $x);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(1) [1]=> string(3) "foo" } array(2) { [0]=> int(2) [1]=> int(0) } array(2) { [0]=> int(3) [1]=> int(1) } array(2) { [0]=> int(4) [1]=> int(2) }

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