Comments for PHP class and functions

I would like to add some documentation comments for my (PHP) class and its functions in some standard format, so that it’s easier for others to understand.

What would an example of how you would write comments for the following class and function?

Information about the class:

Classname Photos: it has some functions related to uploading the photo and displaying the photos. Function names are upload(), display(), delete().

Information about the upload function:

Uploads the resizes and uploads the image and has few parameters as shown below.

<?php
    class Photos extends CI_Controller
    {
        public function upload($file_name, $new_name, $new_width, $new_height, $directory)
        {
            ...
            ...
       开发者_C百科     returns true or false.
        }

?>

PHPDocumentor style is pretty standard and understood by most IDE's and documentation generators.

  /**
   * Photos
   * 
   * 
   * @package    CI
   * @subpackage Controller
   * @author     YOUR NAME <YOUREMAIL@domain.com>
   */
  class Photos extends CI_Controller
  {

      /**
       * 
       * Uploads a file
       *
       * @param string $file_name  description
       * @param string $new_name  description
       * @param integer $new_width  description
       * @param integer $new_height  description
       * @param string $directory  description
       * @return boolean
       */
      public function upload($file_name, $new_name, $new_width, $new_height, $directory)
      {

      }
   }

 /**
 * A sample function docblock
 * @global string document the fact that this function uses $_myvar
 * @staticvar integer $staticvar this is actually what is returned
 * @param string $param1 name to declare
 * @param string $param2 value of the name
 * @return integer
 */
function firstFunc($param1, $param2 = 'optional'){
}

This will also be helpful for auto-complete in most known editors.

You might want to look at Doxygen. If you follow their syntax not only will you be able to auto generate documentation (not actually so useful), but the Zend Studio IDE will give you code hints on auto completion (i.e., it will display the documentation when you start to type the function name).

/*! \brief My Photo Class
 *  Does some stuff with photos
 */
class Photos extends CI_Controller
{
  /*! \brief Uploads a file
   *  \param $file_name The name of the file
   *  ...
   *  \returns A value indicating success
   */
  public function upload($file_name, $new_name, $new_width, new_$height, $directory)
  {
    ...
    ...
    returns true or false.
  }
}

I would use Natural Docs. The doc comments are easy to read right in the code thanks to human-friendly formatting:

<?php

/*
    Class: Photos

    Some functions related to uploading the photo and displaying the photos.
*/
class Photos extends CI_Controller
{
    /*
        Function: upload

        Upload a photo to the server so that you can later <display> it.

        Arguments:

            file_name - name of the file
            new_name  - name of the file on the server
            new_width - resize to this before uploading
            new_height - resize to this before uploading

        Returns:

            true or false.

        See Also:

            <display>
            <delete>
    */            
    public function upload($file_name, $new_name, $new_width, new_$height, $directory)
    {
        ...
        ...
        returns true or false.
    }