Import gravatar images to store on your local server

gravatar_import.php

<?php
set_time_limit(120);
$domains = ClassRegistry::init('Domain')->find('all', array(
    'conditions' => array(
        'url' => $_GET['domain']
        //'paid_recurring' => 1
    ),
    'recursive' => -1
));

$User = ClassRegistry::init('User');
$gravatar_img_url = 'https://secure.gravatar.com/avatar/%s?s=37&d=http://7shifts.com/accounts/img/nophoto.png';

foreach($domains as $domain)
{
    $domain_id = $domain['Domain']['id'];
    $domain_folder = WWW_ROOT . 'img/group_avatars/' . md5($domain['Domain']['id']);
    $users = $User->find('all', array(
        'conditions' => array(
            'User.domain_id' => $domain_id,
            'User.email !=' => ''
        ),
        'recursive' => -1
    ));

    //$users = array($users[0], $users[1]);

    if(!is_dir($domain_folder))
    {
        mkdir($domain_folder);
    }

    foreach($users as $user)
    {
        $email = md5(strtolower(trim($user['User']['email'])));
        $img_file = md5($user['User']['id']) . '.jpg';
        $grav_url = sprintf($gravatar_img_url, $email);
        $dest = $domain_folder . DS . $img_file;

        if(!is_file($dest))
        {
            copy($grav_url, $dest);

            $copied_data = base64_encode(file_get_contents($dest));
            // I checked before-hand to see what the bas64 encoded value of my 'nophoto.png' image was.
            // If it's the nophoto image, then just remove it as I don't want to store that garbahhge.
            if(substr($copied_data, 0, 2) == 'iV')
            {
                unlink($dest);
            }
            else
            {
                $User->save(array(
                    'id' => $user['User']['id'],
                    'photo' => $img_file
                ));
            }
        }
    }
}
?>