String Functions
PHP Manual

strcasecmp

(PHP 4, PHP 5, PHP 7)

strcasecmpBinary safe case-insensitive string comparison

Description

int strcasecmp ( string $str1 , string $str2 )

Binary safe case-insensitive string comparison.

Parameters

str1

The first string

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() 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


String Functions
PHP Manual