The following code merges three files into one.
<?php $old_version = 'original_script.php';$fix1 = 'script_with_fix1.php';$fix2 = 'script_with_fix2.php';$errors = xdiff_file_merge3($old_version, $fix1, $fix2, 'fixed_script.php'); if (is_string($errors)) { echo "Rejects:\n"; echo $errors; }?>