cyh7788991
cyh7788991
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求教一个问题 $strr="This is a book, that is a desk"; $strright=strrchr($strr,"th"); print "从原始字符右边取出子串：{$strright}"; 运行为结果：从原始字符右边取出子串：t is a desk 为什么不是：从原始字符右边取出子串：that is a desk
求教一个有关PHP的问题 $strr="This is a book, that is a desk"; $strright=strrchr($strr,"th"); print "从原始字符右边取出子串：{$strright}"; 运行为结果：从原始字符右边取出子串：t is a desk 为什么不是：从原始字符右边取出子串：that is a desk
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