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php
1: --TEST-- 2: Attempt to pass a constant by reference 3: --FILE-- 4: <?php 5: 6: function f(&$arg1) 7: { 8: var_dump($arg1++); 9: } 10: 11: f(2); 12: 13: ?> 14: --EXPECTF-- 15: Fatal error: Only variables can be passed by reference in %s on line 8