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3.14 Sorting Sensibly

You want to make your program sort a list like a human would, where the number 10 would come after the number 2.

Technique

Use the natsort() function:

<?php
$files = array("file001.txt", "file002.txt", "file003.txt",
        "file010.txt", "file023.txt", "file004.txt");
natsort($files);
foreach ($files as $file) {
  print "$file\n";
}
?>

Comments

The natsort() function uses a sorting algorithm that is described by Martin Pool at http://www.linuxcare.com.au/projects/natsort/. A case-insensitive version of the natsort() function is also available, natcasesort().

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