PHP Functions Essential Reference

strnatcmp

int strnatcmp(string string_one, string string_two) 

Compares strings using a “natural” algorithm.

Returns:

Integer

Description:

strnatcmp() compares strings in much the same fashion as a human would. Numbers are ordered by their value, instead of by their character value.

Version:

PHP 4.0RC2+

See also:

To perform non-case-sensitive natural string comparison:

strnatcasecmp() 

For additional information on natural sorting:

Martin Pool’s Natural Order String Comparison

www.linuxcare.com.au/projects/natsort/

Example:

Compare a list of values

<?php $strings = array ("one", 1, "01", 2001, "two-thousand and one"); foreach ($strings as $string_one) { foreach ($strings as $string_two) { $comparison = strnatcmp ($string_one, $string_two); ...