<?php

/*

* After making changes to cassis.js, run this file to transform the JS into

* native PHP code. This process involves removing all PHP and HTML comments,

* so that no comment hacks or output buffering is required in order to use

* Cassis in PHP.

*/

// Load the source code

$source = file_get_contents('cassis.js');

// Remove the top comment that talks about using ob_start

$source = preg_replace('/\/\* <!--.+\n\/\* <!-- /Usm', '', $source);

// Remove HTML comments

// Without this step, you would need to wrap every function call in ob_start/ob_get_clean.

// This effectively removes all the (JS) comments, so only actual PHP source code is left.

$source = preg_replace('/<!--(.|\s)*?-->/', '', $source);

// Remove close/open PHP tags

$source = preg_replace('/\?>\s+<\?php/', '', $source);

// Remove trailing HTML comment tag (and PHP tag since we can do that safely)

$source = preg_replace('/\?> -->$/', '', $source);

file_put_contents('cassis.php', $source);