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1.1 misho 1: --TEST-- 2: shifting strings left 3: --FILE-- 4: <?php 5: 6: $s = "123"; 7: $s1 = "test"; 8: $s2 = "45345some"; 9: 10: $s <<= 2; 11: var_dump($s); 12: 13: $s1 <<= 1; 14: var_dump($s1); 15: 16: $s2 <<= 3; 17: var_dump($s2); 18: 19: echo "Done\n"; 20: ?> 21: --EXPECTF-- 22: int(492) 23: int(0) 24: int(362760) 25: Done