Pull Images and Return JSON Array

index.php

<?php

header('Cache-Control: no-cache, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/json;');

$file_array = array();

if ($handle = opendir('.')) {
    while (false !== ($entry = readdir($handle))) {
        $ext = pathinfo($entry, PATHINFO_EXTENSION);
        
        if ($entry != "." && $entry != ".." && $entry != ".DS_Store" && $entry != 'index.php' && $ext == 'jpg' || $ext == 'png') {
            
            array_push($file_array, 'http://imattic.com/paper/'.$entry);
            
        }
    }
    closedir($handle);
}

echo json_encode($file_array);

?>