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<?php $staff = '途牛年终大促出境长线满减(每满10000减200元)'; echo base64_decode(str_replace(array('77yI', '77yJ', 'KA==', 'KQ=='), array('QA==', 'QA==', 'QA==', 'QA=='), base64_encode($staff)));

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35.55 ms | 402 KiB | 5 Q