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<?php function inc(&$a, &$b, &$c) { ++$a; ++$b; ++$c; } $a = 1; $b = 2; $c = 3; $params = array($a, $b, $c); call_user_func_array('inc', $params); var_dump($params);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: inc(): Argument #1 ($a) must be passed by reference, value given in /in/kYKio on line 11 Warning: inc(): Argument #2 ($b) must be passed by reference, value given in /in/kYKio on line 11 Warning: inc(): Argument #3 ($c) must be passed by reference, value given in /in/kYKio on line 11 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }

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