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PHP strcmp()函数介绍

WBOY
WBOYOriginal
2016-06-13 10:40:531227browse

strcmp() 函数功能比较两个字符串。

strcmp语法:  
strcmp(string1,string2)

参数         描述
string1     必需。规定要比较的第一个字符串。
string2     必需。规定要比较的第二个字符串。

该函数返回:
如果两个字符串相等 0 - 如果 string1 大于 string2

实例:利用strcmp来判断是否属于某一天(以当天花板00:00为准)

strcmp(date(Y-m-d,$user->last_time), date("Y-m-d",time())) == 0

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