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<?php function ref(&$a) { var_dump($a); } $b = 1; $args = array( &$b ); unset($b); for ($i = 0; $i < 2; $i++) { $a = array_slice($args, 0, 1); call_user_func_array('ref', $a); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: ref(): Argument #1 ($a) must be passed by reference, value given in /in/WECs1 on line 10 int(1) Warning: ref(): Argument #1 ($a) must be passed by reference, value given in /in/WECs1 on line 10 int(1)

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