strcmp

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Binary safe string comparison

strcmp ( string $str1 , string $str2 ) : int

str1

The first string.

str2

The second string.

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

<?

$str1 = "case";
$str2 = "CASE";

$return = strcmp($str1, $str2);

echo $return;

?>

32

<?

$str1 = "same";
$str2 = "same";

$return = strcmp($str1, $str2);

echo $return;

?>

0

<?

$str1 = "same";
$str2 = "different";

$return = strcmp($str1, $str2);

echo $return;

?>

15

<?

$str1 = "different";
$str2 = "same";

$return = strcmp($str1, $str2);

echo $return;

?>

-15

PHP