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strncasecmp

PHP function Edit on GitHub ✎

(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)

Binary safe case-insensitive string comparison of the first n characters

Description

strncasecmp(string $string1, string $string2, int $length): int

This function is similar to strcasecmp(), with the difference that you can specify the (upper limit of the) number of characters from each string to be used in the comparison.

Parameters

string1: The first string.
string2: The second string.
length: The length of strings to be used in the comparison.

Return Values Return

Changelog

Version	Description

Examples

strncasecmp() example

php

<?php

$var1 = 'Hello John';
$var2 = 'hello Doe';
if (strncasecmp($var1, $var2, 5) === 0) {
    echo 'First 5 characters of $var1 and $var2 are equal in a case-insensitive string comparison';
}
?>