strcmp
Description
int strcmp ( string str1, string str2 )
Returns < 0 if str1
is less than
str2
; > 0 if str1
is greater than str2
, and 0 if they are
equal.
Note that this comparison is case sensitive.
See also preg_match(), strcasecmp(), substr(), stristr(), strncasecmp(), strncmp(), and strstr().