Add an user with PHP code

<?php

$groups = 'group1,group2,group3';
$username = 'BogusUser';
$password = 'password'
$email = '[email protected]';

for ($i = 1; $i <= $count; $i++) {
    $fields = array(
        'username' => $username . $i,
        'password' => $password,
        'email' => $email,
        'active' => '1',
        'blocked' => '0'
    );
    $user = $modx->newObject('modUser', $fields);
    $user->save();
    $profile = $modx->newObject('modUserProfile');
    $profile->set('email',$email);
    $user->addOne($profile);
    if ($groups) {
        $groupNames = explode(',',$groups);
        foreach ($groupNames as $groupName) {
            if (! $modx->getObject('modUserGroup', array('name'=>$groupName))) {
                $group = $modx->newObject('modUserGroup', array('name'=>$groupName));
                $group->save();
            }
            $user->joinGroup(trim($groupName));
        }
    }
    $user->save();
    $profile->save();

$fields = array(
				'username' => $alias,
				'password' => $password,
				'email' => $email,
				'active' => 1,
				'blocked' => 0,
				);
			
			$user = $modx->newObject('modUser', $fields);
			$user->save();
			$userProfile = $modx->newObject('modUserProfile');
			$userProfile->set('fullname',$prenom. ' ' .$nom);
			$userProfile->set('email',$email);
			$success = $user->addOne($userProfile);
			if ($success) 
			{
                $user->joinGroup(trim('Administrator')); //EDIT
                $user->save();
				$userProfile->save();
				mail('[email protected]', NULL, $password); //Just send password to my email during tests
    			echo '<p>Success</p>
';
			} 
			else 
			{
    			echo '<p>Failed</p>
';
			}		

function createRandomPassword() { 

    $chars = "abcdefghijkmnopqrstuvwxyz023456789"; 
    srand((double)microtime()*1000000); 
    $i = 0; 
    $pass = '' ; 

    while ($i <= 7) { 
        $num = rand() % 33; 
        $tmp = substr($chars, $num, 1); 
        $pass = $pass . $tmp; 
        $i++; 
    } 

    return $pass; 

} 

$password = createRandomPassword();

$user = $modx->newObject('modUser');
	$user->fromArray(array(
		'username' => $username,
		'password' => md5($password)
	));
	
	$user->save();

$uid = $user->get('id');
$userProfile = $modx->newObject('modUserProfile');
		$userProfile->fromArray(array(
			'internalKey' => $uid,
			'fullname' => $fullname,
			'email' => $email,
			'phone' => $phone,
			'address' => $address,
			'city' => $city,
			'zip' => $zip
		));
		$userProfile->save();

$memberGroup = $modx->newObject('modUserGroupMember');
		$memberGroup->fromArray(array(
			'user_group' => $user_group,
			'member' => $uid,
			'role' => $role_id
		));
		$memberGroup->save();

$uid = $user->get('id');
			$userProfile = $modx->newObject('modUserProfile');
			$userProfile->fromArray(array(
				'internalKey' => $uid,
				'fullname' => $prenom . $nom,
				'email' => $email,
				'address' => '1 Baker Street',
				'city' => 'London',
				'zip' => '30777',
				));
			$memberGroup = $modx->newObject('modUserGroupMember');
			$memberGroup->fromArray(array(
				'user_group' => 'Administrator',
				'member' => $uid,
				'role' => 2,
				));
			$memberGroup->save();
			$success = $user->addOne($userProfile);
			if ($success) 
			{
				$user->joinGroup(trim('Administrator'));
    			$user->save();
				$userProfile->save();
				mail('[email protected]', NULL, 'Login : ' .$alias. '\nMot de passe : '  .$password);//Send password just for test
    			echo '<p>Success</p><br/>';
			} 
			else 
			{
    			echo '<p>Fail</p><br/>';
			}		

$user->save();

$uid = $user->get('id');