Answered Webuser photo overwrited blank on UpdateProfile

[[!UpdateProfile? &preHooks=`user_profile_image` &reloadOnSuccess=`2`    ]]

 <div class="msg-success"> [[+login.update_success:is=`1`:then=`[[%login.profile_updated? &namespace=`login` &topic=`updateprofile`]]`]]</div>
    <form class="form" action="[[~[[*id]]]]" method="post" enctype="multipart/form-data">
	<input id="photo" name="photo" type="file"  maxlength="100000" /> ...

<?php
// initialize output;
$output = true;

if($_FILES['photo']['tmp_name']!=''){
	  // get the current user name to create the file name as  
	$userName = $modx->user->get('username');
	$id = $modx->user->get('id');

	// valid extensions
	$ext_array = array('jpg', 'jpeg', 'gif', 'png');
	  
	// create unique path for this form submission
	$uploadpath = 'assets/uploads/'.$id.'/';
	  
	// you can create some logic to automatically
	// generate some type of folder structure here.
	// the path that you specify will automatically
	// be created by the script if it doesn't already
	// exist.
	  
	// EXAMPLE:
	// this would put all file uploads into a new,
	// unique folder every day.
	// $uploadpath = 'assets/'uploads/'.date('Y-m-d').'/';
	  
	// get full path to unique folder
	$target_path = $modx->config['base_path'] . $uploadpath;
	  
	// get uploaded file names:
	$submittedfiles = array_keys($_FILES);
	  
	// loop through files
	foreach ($submittedfiles as $sf) {
	  
	  // Get Filename and make sure its good.
	  $filename = basename( $_FILES[$sf]['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 != '') {
			
		// is this the right type of file?
		if(in_array($ext, $ext_array)) {
			
		  //create file called the user name + pic
		  $filename = $userName.'.'.$ext  ;
	   
		  // full path to new file
		  $myTarget = $target_path . $filename;
			
		  // create directory to move file iento if it doesn't exist
		  mkdir($target_path, 0755, true);
		  if(file_exists($myTarget)) {
		  chmod($myTarget,0755); //Change the file permissions if allowed
		  unlink($myTarget); //remove the file
	  }
			
		  // is the file moved to the proper folder successfully?
		  if(move_uploaded_file($_FILES[$sf]['tmp_name'], $myTarget)) {
			// set a new placeholder with the new full path (if you need it in subsequent hooks)
			$hook->setValue($sf, $uploadpath . $filename);
			// set the permissions on the file
			if (!chmod($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
			}
		
	  // if no file, don't error, but return blank
	  } else {
	   
		  $hook->setValue($sf, '');
	  }
	  
	}
  }
return $output;
?>