php man page for strcasecmp

STRCASECMP(3)								 1							     STRCASECMP(3)

strcasecmp - Binary safe case-insensitive string comparison

SYNOPSIS
       int strcasecmp (string  $str1, string  $str2)

DESCRIPTION
	Binary safe case-insensitive string comparison.

PARAMETERS
	      o $str1
		- The first string

	      o $str2
		- The second string

RETURN VALUES
	Returns < 0 if $str1 is less than $str2; > 0 if $str1 is greater than $str2, and 0 if they are equal.

EXAMPLES
       Example #1

	      strcasecmp(3) 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
       strcmp(3), preg_match(3), substr_compare(3), strncasecmp(3), stristr(3), substr(3).

PHP Documentation Group 													     STRCASECMP(3)