Несколько аватаров пользователя

<?php
if (empty($modx)) return '';

// initialize output;
$output = true;
$counter = 1;
 
// valid extensions
$ext_array = array('jpg', 'JPG', 'JPEG', 'png');
 
// create unique path for this form submission
$uploadpath = 'assets/avatars/';
 
// get full path to unique folder
$target_path = $modx->config['base_path'] . $uploadpath;

$sf = 'avatar';

$file = $_FILES[$sf];

// Get Filename and make sure its good.
$filename = basename( $file['name'] );

// Get file's extension
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$ext = mb_strtolower($ext); // case insensitive

// is the file name empty (no file uploaded)
if($filename != '' && isset($_POST['updpword-btnnn'])) {
    // is this the right type of file?
    if(in_array($ext, $ext_array)) {
        // clean up file name and make unique
        $filename = 'user'.$modx->user->get('id') . '.' . $ext;
        
        // full path to new file
        $myTarget = $target_path . $filename;
        $myTargetTemp = $target_path . '_' . $filename;
        if(move_uploaded_file($file['tmp_name'], $myTargetTemp)) {
            require_once MODX_CORE_PATH.'model/phpthumb/phpthumb.class.php';
    		$phpThumb = new phpThumb();
    		$phpThumb->setSourceFilename($myTargetTemp);
    		$phpThumb->setParameter('w', 150);
    		$phpThumb->setParameter('h', 150);
    		$phpThumb->setParameter('zc', '1');
    		$phpThumb->setParameter('q', '150');
    		if ($phpThumb->GenerateThumbnail()) {
    			if ($phpThumb->RenderToFile($myTarget)) {
    				$avas=glob($target_path . '/user'.$modx->user->get('id') . ".*");
                    if(is_array($avas)) foreach ($avas as $fpath) {
                        if(basename($fpath) != basename($myTarget)) @unlink($fpath);
                    }
                    
                    // set a new placeholder with the new full path (if you need it in subsequent hooks)
                    $myFile = $uploadpath . $filename;
                    $hook->setValue($sf,$myFile);
                    // set the permissions on the file
                    if (!chmod($myTarget, 0644)) { /*some debug function*/ }
    			} else {
                    // File not uploaded
                    $errorMsg = 'There was a problem uploading the file.';
                    $hook->addError($sf, $errorMsg);
                    $output = false; // generate submission error
                }
    		}
        } else {
            // File not uploaded
            $errorMsg = 'There was a problem uploading the file.';
            $hook->addError($sf, $errorMsg);
            $output = false; // generate submission error
        }
        @unlink($myTargetTemp);

        /*
        // is the file moved to the proper folder successfully?
        if(move_uploaded_file($file['tmp_name'], $myTarget)) {
            // set a new placeholder with the new full path (if you need it in subsequent hooks)
            $myFile = $uploadpath . $filename;
            $hook->setValue($sf,$myFile);
            // set the permissions on the file
            if (!chmod($myTarget, 0644)) {
                //some debug function
            }
        } else {
            // File not uploaded
            $errorMsg = 'There was a problem uploading the file.';
            $hook->addError($sf, $errorMsg);
            $output = false; // generate submission error
        }
        */
     
    } else {
        // File type not allowed
        $errorMsg = 'Type of file not allowed.';
        $hook->addError($sf, $errorMsg);
        $output = false; // generate submission error
    }
} else {
    $hook->setValue($sf, '');
}

return $output;