<?php

// =======================================================================================
// Script for checking file changes and if there's changes - replace with an old version
// Really I don't know who need it, use freely everywhere!
//
// File list settings:
// $files[number] = array('path/to/source.file', 'path/to/file_we_need_to.check');
//
// You can choose relative or absolut path
// =======================================================================================

$files[0] = array('src/js.js', 'dest/js.js');
$files[1] = array('src/js.js', 'dest/js.js');


// =======================================================================================
// Keep this safe :)

header('Content-Type: text/html; charset=utf-8');

foreach ($files AS $onefile) {
    $sfile = sha1_file($onefile[0]);
    $dfile = sha1_file($onefile[1]);

    if ($sfile!=$dfile) {
        echo "There's changes in '".$dfile."'. Rewriting...<br />";
        if (!copy($onefile[0], $onefile[1])) {
            echo "We have a problem copying '".$onefile[0]."'...\n";
        }
    }
}

?>