(PHP 4, PHP 5, PHP 7, PHP 8)
strcasecmp — Binary safe case-insensitive string comparison
Binary safe case-insensitive string comparison. The comparison is not locale aware; only ASCII letters are compared in a case-insensitive way.
string1The first string
string2The second string
Returns -1 if string1 is less than
string2; 1 if string1
is greater than string2, and 0 if they are
equal.
| Version | Description |
|---|---|
| 8.2.0 |
This function now returns -1 or 1,
where it previously returned a negative or positive number.
|
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';
}
?>