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22.ÔÚ×ÓÀàÀï·½·¨µÄÐÔÄÜÓÅÓÚÔÚ»ùÀàÖÐ;//PHP100ÖÐÎÄÍø
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24.Surrounding your string by ‘ instead of ” will make things interpret a little faster since php looks for variables inside “…” but not inside ‘…’. Of course you can only do this wh
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