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PHP: strnatcmp() function

PHP: String comparisons using a "natural order" algorithm

The strnatcmp() function compare two strings using a "natural order" algorithm. This comparison is case sensitive.

Version:

(PHP 4 and above)

Syntax:

strnatcmp(string1, string2)

Parameters:

Name Description Required /
Optional 		Type
string1 The first string. Required String
string2 The second string. Required String

Return value:

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

Value Type: Integer

Example: 

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

Output:

1

View the example in the browser

See also

PHP Function Reference

Previous: strlen
Next: strncasecmp



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https://www.w3resource.com/php/function-reference/strnatcmp.php