Deploy / Деплой проекта на сайт

<?php
function cidr_match($ip, $ranges)
{
    $ranges = (array)$ranges;
    foreach($ranges as $range) {
        list($subnet, $mask) = explode('/', $range);
        if((ip2long($ip) & ~((1 << (32 - $mask)) - 1)) == ip2long($subnet)) {
            return true;
        }
    }
    return false;
}
 
$github_ips = array('207.97.227.253', '50.57.128.197', '108.171.174.178', '50.57.231.61');
$github_cidrs = array('204.232.175.64/27', '192.30.252.0/22');
$dir = dirname(__FILE__) . '/../../..';
 
if( in_array($_SERVER['REMOTE_ADDR'], ['77.220.134.85', '95.143.220.95']) ||
    in_array($_SERVER['REMOTE_ADDR'], $github_ips) ||
    cidr_match($_SERVER['REMOTE_ADDR'], $github_cidrs)) {
 
    $hard = "git checkout -- .";
 
    if(!empty($_GET['hard']))
    {
        $hard = "git reset --hard HEAD^";
    }
 
    echo "<pre>";
    echo "Восстанавливаем все из репозитория\n";
    $command = "cd $dir && $hard && git pull && git submodule update --init --recursive\n";
    echo "$command\n";
    $return = htmlentities(trim(shell_exec($command)));
    if($return){
 
        $time = time();
        $status = htmlentities(trim(shell_exec("cd $dir && git status")));
        file_put_contents("$dir/../$time.deploy", $return);
 
        if(is_dir("$dir/app/runtime"))
        {
            echo $return . "\n" . $status . "\n";
            echo "Очищаем папку $dir/app/runtime\n";
        }
 
        if(is_dir("$dir/app/runtime"))
        {
            shell_exec("cd $dir/app/runtime && rm -f ./*");
            echo "Очищаем папку $dir/app/web/assets\n";
        }
 
        if(is_dir("$dir/app/web/assets"))
        {
            shell_exec("cd $dir/app/web/assets && rm -f ./*");
            echo "Очищаем папку $dir/app/web/minify\n";
        }
 
        shell_exec("cd $dir/app/web/minify && rm -f ./*");
        echo "</pre>";
    }
 
}
else {
    header('HTTP/1.1 404 Not Found');
    echo "404 Not Found.\n";
    echo 'Remote addr: ' . $_SERVER['REMOTE_ADDR'];
    exit;
}