AppHelper Class Info:
- Class Declaration:
class AppHelper extends Helper
- File name:
- cake/libs/view/helpers/app_helper.php
- Description:
This is a placeholder class. Create the same file in app/app_helper.php
Add your application-wide methods in the class below, your helpers will inherit them.
- Class Inheritance
Properties:
-
action string
Current action.
-
argSeparator string
URL argument separator character
-
base string
Base URL
-
__cleaned mixed
Holds the cleaned content.
-
data array
POST data for models
-
helpers array
List of helpers used by this helper
-
here string
URL to current action.
-
namedArgs array
List of named arguments
-
params array
Parameter array.
-
plugin string
Plugin path
-
tags array
Holds tag templates.
-
__tainted mixed
Holds the content to be cleaned.
-
theme string
The current theme name if any.
-
validationErrors array
Contains model validation errors of form post-backs
-
webroot string
Webroot path
Method Summary:
- addClass( $options = array ( ), $class = NULL, $key = 'class' )
- afterLayout( )
- afterRender( )
- assetTimestamp( $path )
- beforeLayout( )
- beforeRender( )
- cakeError( $method, $messages = array ( ) )
- __call( $method, $params )
- call__( $method, $params )
- __clean( )
- clean( $output )
- __construct( )
- dispatchMethod( $method, $params = array ( ) )
- domId( $options = NULL, $id = 'id' )
- field( )
- __formatAttribute( $key, $value, $escape = true )
- get__( $name )
- _initInputField( $field, $options = array ( ) )
- loadConfig( $name = 'tags' )
- log( $msg, $type = 2 )
- model( )
- modelID( )
- _name( $options = array ( ), $field = NULL, $key = 'name' )
- Object( )
- __openPersistent( $name, $type = NULL )
- output( $str )
- overload( )
- _parseAttributes( $options, $exclude = NULL, $insertBefore = ' ', $insertAfter = NULL )
- _persist( $name, $return, $object, $type = NULL )
- requestAction( $url, $extra = array ( ) )
- __reset( )
- _savePersistent( $name, $object )
- __selectedArray( $data, $key = 'id' )
- set__( $name, $value )
- _set( $properties = array ( ) )
- setEntity( $entity, $setScope = false )
- _stop( $status = 0 )
- tagIsInvalid( $model = NULL, $field = NULL, $modelID = NULL )
- toString( )
- url( $url = NULL, $full = false )
- value( $options = array ( ), $field = NULL, $key = 'value' )
- webroot( $file )
addClass
topAdds the given class to the element options
- Parameters:
-
-
array $options optional array ( )
Array options/attributes to add a class to
-
string $class optional NULL
The classname being added.
-
string $key optional 'class'
the key to use for class.
-
- Method defined in:
- cake/libs/view/helper.php on line 754
- Return
array Array of options with $key set.
- Access
public
afterLayout
topAfter layout callback. afterLayout is called after the layout has rendered.
Overridden in subclasses.
- Method defined in:
- cake/libs/view/helper.php on line 818
- Return
void
- Access
public
afterRender
topAfter render callback. afterRender is called after the view file is rendered but before the layout has been rendered.
Overridden in subclasses.
- Method defined in:
- cake/libs/view/helper.php on line 796
- Return
void
- Access
public
assetTimestamp
topAdds a timestamp to a file based resource based on the value of Asset.timestamp in
Configure. If Asset.timestamp is true and debug > 0, or Asset.timestamp == 'force'
a timestamp will be added.
- Parameters:
-
-
string $path required
The file path to timestamp, the path must be inside WWW_ROOT
-
- Method defined in:
- cake/libs/view/helper.php on line 242
- Return
string Path with a timestamp added, or not.
- Access
public
beforeLayout
topBefore layout callback. beforeLayout is called before the layout is rendered.
Overridden in subclasses.
- Method defined in:
- cake/libs/view/helper.php on line 807
- Return
void
- Access
public
beforeRender
topBefore render callback. beforeRender is called before the view file is rendered.
Overridden in subclasses.
- Method defined in:
- cake/libs/view/helper.php on line 784
- Return
void
- Access
public
cakeError
topUsed to report user friendly errors. If there is a file app/error.php or app/app_error.php this file will be loaded error.php is the AppError class it should extend ErrorHandler class.
- Parameters:
-
-
string $method required
Method to be called in the error class (AppError or ErrorHandler classes)
-
array $messages optional array ( )
Message that is to be displayed by the error class
-
- Method defined in:
- cake/libs/object.php on line 187
- Return
error message
- Access
public
__call
topMagic method handler.
- Parameters:
-
-
string $method required
Method name
-
array $params required
Parameters to send to method
-
- Method defined in:
- cake/libs/overloadable_php5.php on line 46
- Return
mixed Return value from method
- Access
private
call__
top- Parameters:
-
-
$method required
-
$params required
-
- Method defined in:
- cake/libs/view/helper.php on line 153
__clean
topRemoves harmful content from output
- Method defined in:
- cake/libs/view/helper.php on line 866
- Return
void
- Access
private
clean
topUsed to remove harmful tags from content. Removes a number of well known XSS attacks from content. However, is not guaranteed to remove all possiblities. Escaping content is the best way to prevent all possible attacks.
- Parameters:
-
-
mixed $output required
Either an array of strings to clean or a single string to clean.
-
- Method defined in:
- cake/libs/view/helper.php on line 263
- Return
cleaned content for output
- Access
public
__construct
topClass constructor, overridden in descendant classes.
- Method defined in:
- cake/libs/object.php on line 54
dispatchMethod
topCalls a method on this object with the given parameters. Provides an OO wrapper
for call_user_func_array
- Parameters:
-
-
string $method required
Name of the method to call
-
array $params optional array ( )
Parameter list to use when calling $method
-
- Method defined in:
- cake/libs/object.php on line 107
- Return
mixed Returns the result of the method call
- Access
public
domId
topGenerates a DOM ID for the selected element, if one is not set. Uses the current View::entity() settings to generate a CamelCased id attribute.
- Parameters:
-
-
mixed $options optional NULL
Either an array of html attributes to add $id into, or a string with a view entity path to get a domId for.
-
string $id optional 'id'
The name of the 'id' attribute.
-
- Method defined in:
- cake/libs/view/helper.php on line 584
- Return
mixed If $options was an array, an array will be returned with $id set. If a string was supplied, a string will be returned.
- Todo
Refactor this method to not have as many input/output options.
field
topGets the currently-used model field of the rendering context.
- Method defined in:
- cake/libs/view/helper.php on line 550
- Return
string
- Access
public
__formatAttribute
topFormats an individual attribute, and returns the string value of the composed attribute. Works with minimized attributes that have the same value as their name such as 'disabled' and 'checked'
- Parameters:
-
-
string $key required
The name of the attribute to create
-
string $value required
The value of the attribute to create.
-
$escape optional true
-
- Method defined in:
- cake/libs/view/helper.php on line 351
- Return
string The composed attribute.
- Access
private
get__
topDefault overload methods
- Parameters:
-
-
$name required
-
- Method defined in:
- cake/libs/view/helper.php on line 151
- Access
protected
_initInputField
topSets the defaults for an input tag. Will set the name, value, and id attributes for an array of html attributes. Will also add a 'form-error' class if the field contains validation errors.
- Parameters:
-
-
string $field required
The field name to initialize.
-
array $options optional array ( )
Array of options to use while initializing an input field.
-
- Method defined in:
- cake/libs/view/helper.php on line 731
- Return
array Array options for the form input.
- Access
protected
loadConfig
topParses tag templates into $this->tags.
- Parameters:
-
-
$name optional 'tags'
-
- Method defined in:
- cake/libs/view/helper.php on line 164
- Return
array merged tags from config/$name.php
- Access
public
log
topConvience method to write a message to CakeLog. See CakeLog::write() for more information on writing to logs.
- Parameters:
-
-
string $msg required
Log message
-
integer $type optional 2
Error type constant. Defined in app/config/core.php.
-
- Method defined in:
- cake/libs/object.php on line 148
- Return
boolean Success of log write
- Access
public
model
topGets the currently-used model of the rendering context.
- Method defined in:
- cake/libs/view/helper.php on line 524
- Return
string
- Access
public
modelID
topGets the ID of the currently-used model of the rendering context.
- Method defined in:
- cake/libs/view/helper.php on line 539
- Return
mixed
- Access
public
_name
topGets the input field name for the current tag. Creates input name attributes using CakePHP's data[Model][field] formatting.
- Parameters:
-
-
mixed $options optional array ( )
If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.
-
string $field optional NULL
If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.
-
string $key optional 'name'
The name of the attribute to be set, defaults to 'name'
-
- Method defined in:
- cake/libs/view/helper.php on line 620
- Return
mixed If an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.
- Access
protected
- Todo
Refactor this method to not have as many input/output options.
Object
topA hack to support __construct() on PHP 4 Hint: descendant classes have no PHP4 class_name() constructors, so this constructor gets called first and calls the top-layer __construct() which (if present) should call parent::__construct()
- Method defined in:
- cake/libs/object.php on line 43
- Return
Object
__openPersistent
topOpen the persistent class file for reading Used by Object::_persist()
- Parameters:
-
-
string $name required
Name of persisted class
-
string $type optional NULL
Type of persistance (e.g: registry)
-
- Method defined in:
- cake/libs/object.php on line 268
- Return
void
- Access
private
output
topReturns a string generated by a helper method
This method can be overridden in subclasses to do generalized output post-processing
- Parameters:
-
-
string $str required
String to be output.
-
- Method defined in:
- cake/libs/view/helper.php on line 772
- Return
string
- Deprecated
This method will be removed in future versions.
overload
topOverload implementation. No need for implementation in PHP5.
- Method defined in:
- cake/libs/overloadable_php5.php on line 36
- Access
public
_parseAttributes
topReturns a space-delimited string with items of the $options array. If a key of $options array happens to be one of:
- 'compact'
- 'checked'
- 'declare'
- 'readonly'
- 'disabled'
- 'selected'
- 'defer'
- 'ismap'
- 'nohref'
- 'noshade'
- 'nowrap'
- 'multiple'
- 'noresize'
And its value is one of:
- 1
- true
- 'true'
Then the value will be reset to be identical with key's name. If the value is not one of these 3, the parameter is not output.
'escape' is a special option in that it controls the conversion of attributes to their html-entity encoded equivalents. Set to false to disable html-encoding.
If value for any option key is set to null or false, that option will be excluded from output.
- Parameters:
-
-
array $options required
Array of options.
-
array $exclude optional NULL
Array of options to be excluded, the options here will not be part of the return.
-
string $insertBefore optional ' '
String to be inserted before options.
-
string $insertAfter optional NULL
String to be inserted after options.
-
- Method defined in:
- cake/libs/view/helper.php on line 318
- Return
string Composed attributes.
- Access
public
_persist
topChecks for a persistent class file, if found file is opened and true returned If file is not found a file is created and false returned If used in other locations of the model you should choose a unique name for the persistent file There are many uses for this method, see manual for examples
- Parameters:
-
-
string $name required
name of the class to persist
-
$return required
-
string $object required
the object to persist
-
$type optional NULL
-
- Method defined in:
- cake/libs/object.php on line 218
- Return
boolean Success
- Access
protected
- Todo
add examples to manual
requestAction
topCalls 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.
- Parameters:
-
-
mixed $url required
String or array-based url.
-
array $extra optional array ( )
if array includes the key "return" it sets the AutoRender to true.
-
- Method defined in:
- cake/libs/object.php on line 80
- Return
mixed Boolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.
- Access
public
__reset
topResets the vars used by Helper::clean() to null
- Method defined in:
- cake/libs/view/helper.php on line 855
- Return
void
- Access
private
_savePersistent
topYou should choose a unique name for the persistent file
There are many uses for this method, see manual for examples
- Parameters:
-
-
string $name required
name used for object to cache
-
object $object required
the object to persist
-
- Method defined in:
- cake/libs/object.php on line 247
- Return
boolean true on save, throws error if file can not be created
- Access
protected
__selectedArray
topTransforms a recordset from a hasAndBelongsToMany association to a list of selected options for a multiple select element
- Parameters:
-
-
mixed $data required
-
string $key optional 'id'
-
- Method defined in:
- cake/libs/view/helper.php on line 830
- Return
array
- Access
private
set__
top_set
topAllows 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.
-
- Method defined in:
- cake/libs/object.php on line 166
- Return
void
- Access
protected
setEntity
topSets this helper's model and field properties to the dot-separated value-pair in $entity.
- Parameters:
-
-
mixed $entity required
A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName"
-
boolean $setScope optional false
Sets the view scope to the model specified in $tagValue
-
- Method defined in:
- cake/libs/view/helper.php on line 378
- Return
void
- Access
public
_stop
topStop execution of the current script. Wraps exit() making testing easier.
- Parameters:
-
-
$status optional 0
-
- Method defined in:
- cake/libs/object.php on line 135
- Return
void
- Access
public
tagIsInvalid
topReturns false if given FORM field has no errors. Otherwise it returns the constant set in the array Model->validationErrors.
- Parameters:
-
-
string $model optional NULL
Model name as a string
-
string $field optional NULL
Fieldname as a string
-
integer $modelID optional NULL
Unique index identifying this record within the form
-
- Method defined in:
- cake/libs/view/helper.php on line 564
- Return
boolean True on errors.
toString
topObject-to-string conversion. Each class can override this method as necessary.
- Method defined in:
- cake/libs/object.php on line 64
- Return
string The name of this class
- Access
public
url
topFinds URL for specified action.
Returns a URL pointing at the provided parameters.
- Parameters:
-
-
mixed $url optional NULL
Either a relative string url like
/products/view/23or an array of url parameters. Using an array for urls will allow you to leverage the reverse routing features of CakePHP. -
boolean $full optional false
If true, the full base URL will be prepended to the result
-
- Method defined in:
- cake/libs/view/helper.php on line 187
- Return
string Full translated URL with base path.
- Access
public
- Link
- http://book.cakephp.org/view/1448/url
value
topGets the data for the current tag
- Parameters:
-
-
mixed $options optional array ( )
If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.
-
string $field optional NULL
If an array, should be an array of attributes that $key needs to be added to. If a string or null, will be used as the View entity.
-
string $key optional 'value'
The name of the attribute to be set, defaults to 'value'
-
- Method defined in:
- cake/libs/view/helper.php on line 666
- Return
mixed If an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.
- Access
public
- Todo
Refactor this method to not have as many input/output options.
webroot
topChecks if a file exists when theme is used, if no file is found default location is returned
- Parameters:
-
-
string $file required
The file to create a webroot path to.
-
- Method defined in:
- cake/libs/view/helper.php on line 198
- Return
string Web accessible path to file.
- Access
public
