w3resource

PHP: strncasecmp() function

Description

The strncasecmp() function compares first 'n' characters of two strings. The function is binary safe and case-insensitive.

Version:

(PHP 4 and above)

Syntax:

strcasecmp(string1, string2, no_of_character)

Parameters:

Name Description Required /
Optional		 Type
string1 The first string. Required String
string2 The second string. Required String
no_of_character Length of string to be used in comparison. Required integer

Return value:

< 0 if string1 < string2.
> 0 if string1 > string2.
0 if string1 = string2.

Value Type: Integer.

Pictorial Presentation

string-strncasecmp

Example: 

<?php
echo strncasecmp('w3resource.com', 'W3RESOURCE.com',5);
?>

Output:

0

View the example in the browser

See also

PHP Function Reference

Previous: strnatcmp
Next: strncmp



PHP: Tips of the Day

A resource is a special type of variable that references an external resource, such as a file, socket, stream, document, or connection

Example:

$file = fopen('/etc/passwd', 'r');
echo gettype($file);
# Out: resource
echo $file;
# Out: Resource id #2

There are different (sub-)types of resource. You can check the resource type using get_resource_type():

$file = fopen('/etc/passwd', 'r'); 
echo get_resource_type($file);
#Out: stream
$sock = fsockopen('www.google.com', 80);
echo get_resource_type($sock);
#Out: stream