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MochiPHP is a lightweight framework for PHP (Component and Page Oriented design with simple Object Persistence)
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MochiPHP Framework

MochiPHP is a lightweight framework for PHP which adopts component and page oriented design (inspired by Click Framework) with a simple database and object-persistence library.

  • Page oriented design (write a class and template pair per a page)
  • Form components which hide complex HTML markup and user interaction handling
  • Persistent object with auto-generated property accessors

MochiPHP can be run on PHP >= 5.3.2 if you use auto-generated property accessors (because it depends on ReflectionMethod::setAccessible), otherwise PHP >= 5.1 (tested on 5.1.6).

Getting Started


Copy all the files under the /webroot folder to somewhere under your document root.

  • If you use Unix/Linux or Mac OS X, make sure the web server can write to the directory internals/app/templates_c.

If front.php is placed in the document root directory, bring up a web browser and go to URL:


If the browser displays the message as below, MochiPHP is running correctly:

Hello, world!

Minimal Application

The page /hello in the above example is implemented in two files:



class HelloPage extends Page
  public $name;

  function onRender(Context $context) {

    $name = is_null($this->name) ? 'world' : $this->name;
    $this->addModel('message', "Hello, {$name}!");


  • The page /hello is composed of HelloPage class defined in app/pages/hello.php file and Smarty template defined in app/templates/hello.tpl file.
  • The method HelloPage::onRender will be called just before rendering the template. In the above code, addModel method is used to define data which can be referred from the template.
  • The template hello.tpl defines user interface using HTML and data {$message} defined in HelloPage class.
  • Defining public properties in a page class allows to accept HTTP parameters. In the above code, the property $name is defined. If you access /hello?name=marubinotto, the browser will display Hello, marubinotto!.

Form Handling

The main part of MochiPHP is the class library which encapsulates HTML form and input fields as reusable and extensible components. It allows you to concentrate on the most important task of user interface (layout, style, etc) without writing complex HTML markup and validation logic.

MochiPHP comes with a sample application (/form) which demonstrates form handling as below:

Form Example

This application is composed of the two files as the /hello example:

The following is the step-by-step illustration of the above code.

First of all, you need to define form structure building Form object:

$this->form = new Form('form');
$this->form->addField(new TextArea('content',
  array("cols" => 50, "rows" => 3, "required" => true)));

Create a form object and add input fields via addField method as above. You can customize the behavior or other attributes of a field via its constructor or methods. For example, the setting "required" => true enables input validation as below:

Form Validation

You can set an event handler to a form which is called when the form is submitted:


In this case, onSubmit method of the page (FormPage) is registered as an event handler.

Then, you need to register the form object to the page using Page::addControl to allow the page template to access it:


In the template form.tpl, you define the layout of the form:

<br/><input type="submit" value=" Send "/>

You need to include stylesheet and JavaScript references in order to use the functionalities of the library:

<link type="text/css" rel="stylesheet" href="{$basePath}/assets/mochi/control.css"/>
<script type="text/javascript" src="{$basePath}/assets/mochi/control.js"></script>

And the event handler, onSubmit method:

function onSubmit($source, Context $context) {
  // Store the sent data
  array_unshift($this->entries, $this->form->getValue('content'));
  $context->getSession()->set('entries', $this->entries);

  // Redirect After Post
  return false;

onSubmit method get the submitted value via getValue method on the form, and store it to the session. After that, redirect to the same page following the Redirect After Post pattern. The return value false means no other event handlers are invoked in this request.

Object Persistence

It is fairly easy to store objects in database with MochiPHP. Here is an example of PersistentObject:

class BlogPost extends PersistentObject
  const TABLE_DEF = "
    create table %s (
      id integer unsigned not null auto_increment,

      title varchar(255) not null,
      content text,
      register_datetime datetime not null,
      update_datetime datetime not null,

      primary key(id)
    ) TYPE = InnoDB;

  protected $p_title;
  protected $p_content;
  protected $p_register_datetime;
  protected $p_update_datetime;

While you can use an existing database to store objects, defining a table DDL as a class constant TABLE_DEF allows you to create a table using the MochiPHP tool or library from it. Table name is inferred from class name like: class BlogPost → table blog_post (Class constant TABLE_NAME can be used to specify the table name manually).

The naming convention for object-property/table-column mapping is:


This property will be mapped to a column named column_name. The visibility of persistent properties has to be private or protected.

In addition to the mapping, properties that start with prefix p_ can be accessed via auto-generated accessors like:

$instance = new BlogPost();
$instance->title = 'Hello';
$this->assertEquals('Hello', $instance->title);

These accessors can be overridden by defining a getter and setter (ex. getTitle, setTitle).

You need to define a repository class for a persistent object in order to interact with database.

class BlogPostRepository extends PersistentObjectRepository
  function __construct(Database $database) {

  function getObjectClassName() {
    return "BlogPost";

The following is a test program of CRUD operations using a repository. You don't need to write SQL in these operations.

// Create
$instance = $this->repository->newInstance();
$instance->title = 'MochiPHP';
$instance->content = 'MochiPHP is a lightweight framework for PHP.';
$now = $instance->formatTimestamp();
$instance->registerDatetime = $now;
$instance->updateDatetime = $now;
$id = $instance->id;

$this->assertEquals(1, $this->repository->count());

// Read
$instance = $this->repository->findById($id);
$this->assertEquals('MochiPHP', $instance->title);
$this->assertEquals('MochiPHP is a lightweight framework for PHP.', $instance->content);

// Update
$instance->title = "What is MochiPHP?";
$instance->updateDatetime = $instance->formatTimestamp();

$instance = $this->repository->findById($id);
$this->assertEquals('What is MochiPHP?', $instance->title);

// Delete
$this->assertEquals(0, $this->repository->count());

What's Next?

More documents will be added soon.

The package contains sample applications which can be accessed via /index.

The sample application "Simple Blog" (/blog/index) demonstrates all of the features described above, such as Form Handling, CRUD operations with Object Persistence and Ajax.

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