strnatcasecmp() function in PHP

The strnatcasecmp() function is used compare two strings with a natural algorithm.

Note − The function is case sensitive.

Syntax

strnatcasecmp(str1, str2)

Parameters

• str1 − First string to compare

• str2 − Second string to compare

Return

The strcoll() function returns −

• 0 − if the two strings are equal

• < 0 − if string1 is less than string2

• > 0 − if string1 is greater than string2

Example

The following is an example −

Live Demo

<?php
   echo strnatcasecmp("Demo", "DEMO");
?>

Output

0

Example

The following is an example −

Live Demo

<?php
   echo strnatcasecmp("5Demo", "50DEMO");
   echo "
";
   echo strnatcasecmp("50Demo", "5DEMO");
   echo "
";
   echo strnatcasecmp("100Demo", "100Demo");
?>

Output

-1 1 0