CakePHP docs

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38 
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 12 types of helpers in Cake  
Cake comes preinstalled with 12 helpers:
• Ajax
• Cache
• Form
• HTML
• JavaScript
• Number
• Paginator
• RSS
• Session
• Text
• Time
• XML
 
 http://bakery.cakephp.org   
40 
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 3 Basic User <-> CakePHP application interactions  
Users will most often interact with your Cake application in one of three 
ways: 
1) by making a simple page request;
2) by submitting a form of some kind;
3) or by sending page or form requests asynchronously (also 
described as Ajax processes).
 
    
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 8 Built-in Components  
AclComponent
AuthComponent
CookieComponent
EmailComponent
PaginatorComponent
RequestHandlerComponent
SecurityComponent
SessionComponent
 
    
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 A menu item for CakePHP?  
 
    
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 Ajax helpers  
Not only can the Ajax helper simplify using Prototype, but it can 
also make animation effects easier to use.
 
    
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 Asynchronous Sequence - AJAX  
Most developers refer to any asynchronous server responses as Ajax 
operations, even though Ajax started as an acronym meaning 
Asynchronous JavaScript And XML.
 
    
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 Behaviors  
=> When interacting with the database, sometimes the model will 
need to perform more complex processes than simply CRUD 
functionality. In some applications, deleting a record will require 
performing other manipulations to other tables and records,
and so on, with other database operations. Cake resolves this issue 
with behaviors, which are classes that may be called by models when
performing model functions.

=> Behaviors are stored in the app/models/behaviors directory and 
can be named anything following the same rules for naming helper 
files and components. They must have the .php extension. 
=> In the file, behavior class names are set with the following 
syntax:
class SpecialBehavior extends ModelBehavior {}

=> By using behaviors to store complex or customized model 
operations, you give the application's models more consistency.
 
    
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 CakePHP functions - afterFilter() - a controller function  
Just like the beforeFilter() callback action, afterFilter() performs logic 
after every action is called.
 
    
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 CakePHP functions - beforeFilter() - a controller function  
The beforeFilter() callback action is called before every action is 
executed. It is entered like any other action, as a PHP function, and 
interrupts processing controller logic in the requested action. To block 
users from accessing a certain area of the site, the beforeFilter() action 
can check the session for information.

Example:
function beforeFilter() {
   if ($this->action == 'view') {
      if (!$this->Session->check('User')) {
         $this->redirect('/users/login');
      }
   }
}
 
    
44 
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 CakePHP functions - beforeRender() - a controller function  
This callback action performs logic between the execution of the 
requested action's logic and the rendering of the view output for all 
actions. Like beforeFilter() and afterFilter(), beforeRender() can be 
made to apply to a specific action by using the $this->action variable.
 
    
50 
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 CakePHP functions - bindModel() model function  
The bindModel() allows you to assign associations as well.

Example:
$this->bindModel(
            array('hasManyAndBelongsToMany'=>array('Tag'))
           );
 
    
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 CakePHP functions - compact  
This is php function:
example:

<?php
$city  = "San Francisco";
$state = "CA";
$event = "SIGGRAPH";

$location_vars = array("city", "state");

$result = compact("event", "nothing_here", $location_vars);
print_r($result);
?> 

What does the compact() function do? It takes the array you pass into
  it and looks for variables of the same name as the elements in that 
array. It then spits out an array of key => value pairs. So, one little 
trick with compact() means you only have to use one set statement. 
This works because all those $this->set() statements simply add 
those values to an array.
 
    
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 CakePHP functions - create - a model function  
In controller:

$this->Post->create();

Cake performs saves through the use of the create() and save()
 model functions.

=> Initializes the model for writing a new record, loading the 
default values for those fields that are not defined in $data, and 
clearing previous validation errors. Especially helpful for saving 
data in loops.

=> Rendering <form> tags is simplified by the $form->create() 
function. This function also manages the action HTML attribute 
and points the form to the correct model.
create( model[string], options[array] )
 
    
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 CakePHP functions - debug() function  
Cake's debug() function provides a detailed and nicely formatted view 
of a specified array. In this view file, insert the following line, which 
uses the debug() function:
<?php  debug($post);?>
 
    
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 CakePHP functions - del  
In controller:

$this->Post->del($id);  // delete in posts table a row with id = $id.
 
    

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