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<?php function f(array &$target, $name, $value) { $tagret[$name] = $value; } $a = array(); call_user_func('f', $a, 42, 37);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: f(): Argument #1 ($target) must be passed by reference, value given in /in/X3qlg on line 7

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