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PHP5中文手册
strcmp(PHP 4, PHP 5) strcmp — Binary safe string comparison 说明
int strcmp
( string $str1
, string $str2
)
Note that this comparison is case sensitive. 参数
返回值Returns < 0 if str1 is less than str2 ; > 0 if str1 is greater than str2 , and 0 if they are equal. |