strcasecmp Binary safe case-insensitive string comparison &reftitle.description; intstrcasecmp stringstr1 stringstr2 Binary safe case-insensitive string comparison. &reftitle.parameters; str1 The first string str2 The second string &reftitle.returnvalues; Returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal. &reftitle.examples; ]]> &reftitle.seealso; strcmp preg_match substr_compare strncasecmp stristr substr