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--TEST-- Test pass by reference semantics --FILE-- <?php error_reporting(E_ALL | E_STRICT | E_NOTICE); // Simplified array_shift_variation5.phpt // Showing warning: // "Only variables should be passed by reference in %s on line %d" $stack = array ( array ( 'two' )); var_dump(array_shift(array_shift($stack))); // This should show the identical warning $original = array ( array ( 'one' )); $stack = $original; var_dump(array_shift(array_shift($stack))); ?> ===DONE=== --EXPECTF-- Strict Standards: Only variables should be passed by reference in %s on line %d string(3) "two" Strict Standards: Only variables should be passed by reference in %s on line %d string(3) "one" ===DONE===