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<?php $vars = array(); function assign ($var, $value) { global $vars; $vars[$var] = $value; } $a = new stdClass; $a->x = 3; assign('a', $a); $a->x = $a->x + 1; if ($vars['a']->x == $a->x) { print 'By reference'; } else { print 'By value'; }
Output for git.master, git.master_jit, rfc.property-hooks
By reference

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38.94 ms | 401 KiB | 8 Q