How to use php strncasecmp function?

藏色散人
Release: 2023-02-22 22:38:01
Original
2539 people have browsed it

php The strncasecmp function is used to compare two strings. Its syntax is strncasecmp(string1,string2,length). The parameter string1 is required and refers to the first string to be compared; string2 is required and specifies the second string to be compared. string.

How to use php strncasecmp function?

php How to use strncasecmp function?

Definition and usage

strncasecmp() function compares two strings.

Note: strncasecmp() is binary safe and case-insensitive.

Tips: This function is similar to the strcasecmp() function, except that strcasecmp() has no length parameter.

Syntax

strncasecmp(string1,string2,length)
Copy after login

Parameters

string1 Required. Specifies the first string to compare.

string2 Required. Specifies the second string to be compared.

length Required. Specifies the number of characters per string used for comparison.

Return value:

This function returns:

0 - if the two strings are equal

<0 - if string1 is less than string2

>0 - if string1 is greater than string2

PHP version: 4

Example 1

Compare two String (not case sensitive, China and CHINA output are the same):

<?php
echo strncasecmp("China","China",6);
echo "<br>";
echo strncasecmp("China","CHINA",6);
?>
Copy after login

Output:

0
0
Copy after login

Example 2

Compare two strings (not case sensitive):

<?php
echo strncasecmp("I love China!","I love Shanghai!",6);
?>
Copy after login

Output:

0
Copy after login

The above is the detailed content of How to use php strncasecmp function?. For more information, please follow other related articles on the PHP Chinese website!

Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn:Public welfare online PHP training,Help PHP learners grow quickly!