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C CakePHP 2.7 API

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Classes

  • AclBehavior
  • ContainableBehavior
  • TranslateBehavior
  • TreeBehavior

Class ContainableBehavior

Behavior to allow for dynamic and atomic manipulation of a Model's associations used for a find call. Most useful for limiting the amount of associations and data returned.

Object
Extended by ModelBehavior
Extended by ContainableBehavior
Package: Cake\Model\Behavior
Link: http://book.cakephp.org/2.0/en/core-libraries/behaviors/containable.html
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Location: Cake/Model/Behavior/ContainableBehavior.php

Properties summary

  • $runtime public
    array
    Runtime configuration for this behavior
  • $types public
    array
    Types of relationships available for models

Inherited Properties

  • mapMethods, settings

Method Summary

  • beforeFind() public

    Runs before a find() operation. Used to allow 'contain' setting as part of the find call, like this:

  • contain() public

    Unbinds all relations from a model except the specified ones. Calling this function without parameters unbinds all related models.

  • containments() public
    Process containments for model.
  • containmentsMap() public
    Build the map of containments
  • fieldDependencies() public
    Calculate needed fields to fetch the required bindings for the given model.
  • resetBindings() public

    Permanently restore the original binding settings of given model, useful for restoring the bindings after using 'reset' => false as part of the contain call.

  • setup() public
    Initiate behavior for the model using specified settings.

Method Detail

beforeFind() public ¶

beforeFind( Model $Model , array $query )

Runs before a find() operation. Used to allow 'contain' setting as part of the find call, like this:

Model->find('all', array('contain' => array('Model1', 'Model2')));

Model->find('all', array('contain' => array(
    'Model1' => array('Model11', 'Model12'),
    'Model2',
    'Model3' => array(
        'Model31' => 'Model311',
        'Model32',
        'Model33' => array('Model331', 'Model332')
)));
Parameters
Model $Model
Model using the behavior
array $query
Query parameters as set by cake
Returns
array
Overrides
ModelBehavior::beforeFind()

contain() public ¶

contain( Model $Model )

Unbinds all relations from a model except the specified ones. Calling this function without parameters unbinds all related models.

Parameters
Model $Model
Model on which binding restriction is being applied
Link
http://book.cakephp.org/2.0/en/core-libraries/behaviors/containable.html#using-containable

containments() public ¶

containments( Model $Model , array $contain , array $containments = array() , boolean $throwErrors = null )

Process containments for model.

Parameters
Model $Model
Model on which binding restriction is being applied
array $contain
Parameters to use for restricting this model
array $containments optional array()
Current set of containments
boolean $throwErrors optional null
Whether non-existent bindings show throw errors
Returns
array
Containments

containmentsMap() public ¶

containmentsMap( array $containments )

Build the map of containments

Parameters
array $containments
Containments
Returns
array
Built containments

fieldDependencies() public ¶

fieldDependencies( Model $Model , array $map , array|boolean $fields = array() )

Calculate needed fields to fetch the required bindings for the given model.

Parameters
Model $Model
Model
array $map
Map of relations for given model
array|boolean $fields optional array()
If array, fields to initially load, if false use $Model as primary model
Returns
array
Fields

resetBindings() public ¶

resetBindings( Model $Model )

Permanently restore the original binding settings of given model, useful for restoring the bindings after using 'reset' => false as part of the contain call.

Parameters
Model $Model
Model on which to reset bindings

setup() public ¶

setup( Model $Model , array $settings = array() )

Initiate behavior for the model using specified settings.

Available settings:

  • recursive: (boolean, optional) set to true to allow containable to automatically determine the recursiveness level needed to fetch specified models, and set the model recursiveness to this level. setting it to false disables this feature. DEFAULTS TO: true
  • notices: (boolean, optional) issues E_NOTICES for bindings referenced in a containable call that are not valid. DEFAULTS TO: true
  • autoFields: (boolean, optional) auto-add needed fields to fetch requested bindings. DEFAULTS TO: true
Parameters
Model $Model
Model using the behavior
array $settings optional array()
Settings to override for model.
Overrides
ModelBehavior::setup()

Methods inherited from ModelBehavior

_addToWhitelist() protected ¶

_addToWhitelist( Model $model , string $field )

If $model's whitelist property is non-empty, $field will be added to it. Note: this method should only be used in beforeValidate or beforeSave to ensure that it only modifies the whitelist for the current save operation. Also make sure you explicitly set the value of the field which you are allowing.

Parameters
Model $model
Model using this behavior
string $field
Field to be added to $model's whitelist

afterDelete() public ¶

afterDelete( Model $model )

After delete is called after any delete occurs on the attached model.

Parameters
Model $model
Model using this behavior

afterFind() public ¶

afterFind( Model $model , mixed $results , boolean $primary = false )

After find callback. Can be used to modify any results returned by find.

Parameters
Model $model
Model using this behavior
mixed $results
The results of the find operation
boolean $primary optional false
Whether this model is being queried directly (vs. being queried as an association)
Returns
mixed
An array value will replace the value of $results - any other value will be ignored.

afterSave() public ¶

afterSave( Model $model , boolean $created , array $options = array() )

afterSave is called after a model is saved.

Parameters
Model $model
Model using this behavior
boolean $created
True if this save created a new record
array $options optional array()
Options passed from Model::save().
Returns
boolean
See
Model::save()

afterValidate() public ¶

afterValidate( Model $model )

afterValidate is called just after model data was validated, you can use this callback to perform any data cleanup or preparation if needed

Parameters
Model $model
Model using this behavior
Returns
mixed
False will stop this event from being passed to other behaviors

beforeDelete() public ¶

beforeDelete( Model $model , boolean $cascade = true )

Before delete is called before any delete occurs on the attached model, but after the model's beforeDelete is called. Returning false from a beforeDelete will abort the delete.

Parameters
Model $model
Model using this behavior
boolean $cascade optional true
If true records that depend on this record will also be deleted
Returns
mixed
False if the operation should abort. Any other result will continue.

beforeSave() public ¶

beforeSave( Model $model , array $options = array() )

beforeSave is called before a model is saved. Returning false from a beforeSave callback will abort the save operation.

Parameters
Model $model
Model using this behavior
array $options optional array()
Options passed from Model::save().
Returns
mixed
False if the operation should abort. Any other result will continue.
See
Model::save()

beforeValidate() public ¶

beforeValidate( Model $model , array $options = array() )

beforeValidate is called before a model is validated, you can use this callback to add behavior validation rules into a models validate array. Returning false will allow you to make the validation fail.

Parameters
Model $model
Model using this behavior
array $options optional array()
Options passed from Model::save().
Returns
mixed
False or null will abort the operation. Any other result will continue.
See
Model::save()

cleanup() public ¶

cleanup( Model $model )

Clean up any initialization this behavior has done on a model. Called when a behavior is dynamically detached from a model using Model::detach().

Parameters
Model $model
Model using this behavior
See
BehaviorCollection::detach()

onError() public ¶

onError( Model $model , string $error )

DataSource error callback

Parameters
Model $model
Model using this behavior
string $error
Error generated in DataSource

Methods inherited from Object

__construct() public ¶

__construct( )

Constructor, no-op

_mergeVars() protected ¶

_mergeVars( array $properties , string $class , boolean $normalize = true )

Merges this objects $property with the property in $class' definition. This classes value for the property will be merged on top of $class'

This provides some of the DRY magic CakePHP provides. If you want to shut it off, redefine this method as an empty function.

Parameters
array $properties
The name of the properties to merge.
string $class
The class to merge the property with.
boolean $normalize optional true
Set to true to run the properties through Hash::normalize() before merging.

_set() protected ¶

_set( array $properties = array() )

Allows setting of multiple properties of the object in a single line of code. Will only set properties that are part of a class declaration.

Parameters
array $properties optional array()
An associative array containing properties and corresponding values.

_stop() protected ¶

_stop( integer|string $status = 0 )

Stop execution of the current script. Wraps exit() making testing easier.

Parameters
integer|string $status optional 0
see http://php.net/exit for values

dispatchMethod() public ¶

dispatchMethod( string $method , array $params = array() )

Calls a method on this object with the given parameters. Provides an OO wrapper for call_user_func_array

Parameters
string $method
Name of the method to call
array $params optional array()
Parameter list to use when calling $method
Returns
mixed
Returns the result of the method call

log() public ¶

log( string $msg , integer $type = LOG_ERR , null|string|array $scope = null )

Convenience method to write a message to CakeLog. See CakeLog::write() for more information on writing to logs.

Parameters
string $msg
Log message
integer $type optional LOG_ERR
Error type constant. Defined in app/Config/core.php.
null|string|array $scope optional null

The scope(s) a log message is being created in. See CakeLog::config() for more information on logging scopes.

Returns
boolean
Success of log write

requestAction() public ¶

requestAction( string|array $url , array $extra = array() )

Calls a controller's method from any location. Can be used to connect controllers together or tie plugins into a main application. requestAction can be used to return rendered views or fetch the return value from controller actions.

Under the hood this method uses Router::reverse() to convert the $url parameter into a string URL. You should use URL formats that are compatible with Router::reverse()

Passing POST and GET data

POST and GET data can be simulated in requestAction. Use $extra['url'] for GET data. The $extra['data'] parameter allows POST data simulation.

Parameters
string|array $url

String or array-based URL. Unlike other URL arrays in CakePHP, this URL will not automatically handle passed and named arguments in the $url parameter.

array $extra optional array()

if array includes the key "return" it sets the AutoRender to true. Can also be used to submit GET/POST data, and named/passed arguments.

Returns
mixed

Boolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.


toString() public ¶

toString( )

Object-to-string conversion. Each class can override this method as necessary.

Returns
string
The name of this class

Properties detail

$runtime ¶

public array

Runtime configuration for this behavior

array()

$types ¶

public array

Types of relationships available for models

array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany')
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