PHP: Hypertext Preprocessor (original) (raw)
strncasecmp
(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
strncasecmp — Binary safe case-insensitive string comparison of the first n characters
Description
Parameters
string1
The first string.
string2
The second string.
length
The length of strings to be used in the comparison.
Return Values
Returns a value less than 0 if string1 is less than string2; a value greater than 0 if string1 is greater thanstring2, and 0 if they are equal. No particular meaning can be reliably inferred from the value aside from its sign.
Changelog
| Version | Description |
|---|---|
| 8.2.0 | This function is no longer guaranteed to returnstrlen($string1) - strlen($string2) when string lengths are not equal, but may now return -1 or1 instead. |
Examples
Example #1 strncasecmp() example
`<?php
$var1
= 'Hello John';
$var2 = 'hello Doe';
if (strncasecmp($var1, $var2, 5) === 0) {
echo 'First 5 characters of var1andvar1 and var1andvar2 are equals in a case-insensitive string comparison';
}
?>`
See Also
- strncmp() - Binary safe string comparison of the first n characters
- preg_match() - Perform a regular expression match
- substr_compare() - Binary safe comparison of two strings from an offset, up to length characters
- strcasecmp() - Binary safe case-insensitive string comparison
- stristr() - Case-insensitive strstr
- substr() - Return part of a string
Found A Problem?
There are no user contributed notes for this page.