Files by extension

Returns all files from a given folder and filters them by a given extension

function get_files_by_ext($path, $ext){

    $files = array();

    if (is_dir($path)){
        $handle = opendir($path);
        while ($file = readdir($handle)) {
            if ($file[0] == '.'){ continue; }
            if (is_file($path.$file) and preg_match('/\.'.$ext.'$/', $file)){
                $files[] = $file;
            }
        }
        closedir($handle);
        sort($files);
    }

    return $files;

}

/*
** Example:
*/

print_r(get_files_by_ext('data/', 'txt'));

/*
returns:

Array
(
    [0] => readme_1.txt
    [1] => readme_2.txt
)

*/

dir_list('data/', 'txt'); => returns all *.txt files from the data/ folder