php - Order this array by date modified?

Question

I have a php file that is creating a array of everything in my users directory, the array is then being sent back to a iPhone.

The array that my php is creating is ordering them alphabetically, i want it to sort by the date the file was created..

Here is what my php file looks like

<?php
$username = $_GET['username'];
$path = "$username/default/";


$files = glob("{$path}/{*.jpg,*.jpeg,*.png}", GLOB_BRACE);

// output to json
echo json_encode($files);

?>

How would i do this?

Thanks :)

Answer 1

Using usort() with a callback which calls filemtime()...

This is untested, but I believe it will set you on the correct path...

// First define a comparison function to be used as a callback
function filetime_callback($a, $b)
{
  if (filemtime($a) === filemtime($b)) return 0;
  return filemtime($a) < filemtime($b) ? -1 : 1; 
}

// Then sort with usort()
usort($files, "filetime_callback");

This should sort them oldest-first. If you want them newest-first, change < to > in the callback return ternary operation.