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<?php function x(&$a) { return array('x'); } $y = 'y'; echo "1\n"; var_dump(x($y)); echo "2\n"; var_dump(call_user_func_array('x', array($y)));
Output for git.master, git.master_jit, rfc.property-hooks
1 array(1) { [0]=> string(1) "x" } 2 Warning: x(): Argument #1 ($a) must be passed by reference, value given in /in/mNEdk on line 9 array(1) { [0]=> string(1) "x" }

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