MODX Revolution Backup script

rbak.php

<?php
/**
 * MODX Revolution Backup script
 *
 * Useful for fast moving MODX Revolution from FTP (w/o SSH access) to local computer
 */

$starttime = microtime(true);

// ini_set('max_execution_time', 300);

echo 'TIME LIMIT: ', ini_get('max_execution_time') ,' s <br />';
echo 'MEMORY LIMIT: ',  ini_get('memory_limit') ,' <br />';
echo '<br />';

echo 'START MEMORY: ', convert(memory_get_usage (true)) ,'<br />';

error_reporting(E_ALL);

global $exclude, $allowed_files;

$windows = false; // set to true if here is Windows platform

$exclude = array(
    dirname(__FILE__) .'/plesk-stat' => false,
    dirname(__FILE__) .'/vapor' => false,
    dirname(__FILE__) .'/_build' => false,

    //dirname(__FILE__) .'/media/' => false,

    dirname(__FILE__) .'/assets/components/phpthumbof/cache/' => false,
    dirname(__FILE__) .'/assets/cache/' => false,
    dirname(__FILE__) .'/core/cache/' => true,
    dirname(__FILE__) .'/core/packages/' => true,
    dirname(__FILE__) .'/media/site_backup.zip' => null,
    dirname(__FILE__) .'/rbak.php' => null
    );

$allowed_files = array(
    '.gitignore',
    );

$source = './';
$destination = './media/site_backup.zip';

// ----------------------------------------------------------------------------

if ($windows) {
    $ex = $exclude;

    $exclude = array();

    foreach ($ex as $key => $value) {
        $exclude[str_replace('/', '\\', $key)] = $value;
    }
}

$a = Zip($source, $destination);

echo 'END MEMORY: ', convert(memory_get_usage (true)) ,'<br /><br />';

echo 'Working time: '. (microtime(true) - $starttime) .' s<br /><br />', "\n\n";

echo 'Destination: ', $destination , '<br /><br />';

if($a) { print 'OK'; }
else { print 'Failed ...'; }

// ----------------------------------------------------------------------------

function Zip($source, $destination)
{
    if (extension_loaded('zip') === true)
    {
        if (file_exists($source) === true)
        {
            $zip = new ZipArchive();

            if ($zip->open($destination, ZIPARCHIVE::OVERWRITE) === true)
            {
                $source = realpath($source);

                if (is_dir($source) === true)
                {
                    $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);

                    foreach ($files as $file)
                    {
                        $file = realpath($file);

                        if (is_excluded($file)) {
                            continue;
                        }

                        if (is_dir($file) === true)
                        {
                            $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
                        }

                        else if (is_file($file) === true)
                        {
                            $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
                        }
                    }
                }

                else if (is_file($source) === true)
                {
                    $zip->addFromString(basename($source), file_get_contents($source));
                }
            }

            return $zip->close();
        }
    }

    return false;
}

function is_excluded($path) {
    global $exclude, $allowed_files;

    if (in_array(basename($path), $allowed_files)) {
        return false;
    }

    foreach ($exclude as $url => $value) {

        if (strpos($path, $url) !== false) {
            return true;
        }
    }

    return false;
}

function convert($size)
 {
    $unit=array('b','kb','mb','gb','tb','pb');
    return @round($size/pow(1024,($i=floor(log($size,1024)))),2).' '.$unit[$i];
 }

?>