(PHP 3 >= 3.0.2, PHP 4, PHP 5)
strcasecmp -- 
     Binary safe case-insensitive string comparison
    
Description
int 
strcasecmp ( 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.
     
| Example 1. strcasecmp() example | 
<?php$var1 = "Hello";
 $var2 = "hello";
 if (strcasecmp($var1, $var2) == 0) {
 echo '$var1 is equal to $var2 in a case-insensitive string comparison';
 }
 ?>
 | 
 | 
    
     See also 
     ereg(),
     strcmp(),
     substr(),
     stristr(),
     strncasecmp(), and
     strstr().