Class TextHelper
Text helper library.
Text manipulations: Highlight, excerpt, truncate, strip of links, convert email addresses to mailto: links...
Link: http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html
See:
StringCopyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Location: Cake/View/Helper/TextHelper.php
Properties summary
-
$_engineprotectedCakeText utility instancestdClass -
$_placeholdersprotectedarrayAn array of md5sums and their contents. Used when inserting links into text.
-
$helperspublichelpersarray
Magic properties summary
-
$Htmlpublic
Inherited Properties
-
_View,_association,_attributeFormat,_cleaned,_entityPath,_fieldSuffixes,_helperMap,_minimizedAttributeFormat,_minimizedAttributes,_modelScope,_tainted,fieldset,plugin,request,settings,tags,theme
Method Summary
- __call() publicCall methods from CakeText utility class
- __construct() publicConstructor
- _insertPlaceHolder() protected
Saves the placeholder for a string, for later use. This gets around double escaping content in URL's.
- _linkEmails() protectedLinks email addresses
- _linkUrls() protectedReplace placeholders with links.
- autoLink() publicConvert all links and email addresses to HTML links.
- autoLinkEmails() publicAdds email links (<a href="mailto:....) to a given text.
- autoLinkUrls() public
Adds links (<a href=....) to a given text, by finding text that begins with strings like http:// and ftp://.
- autoParagraph() public
Formats paragraphs around given text for all line breaks
added for single line return<
p> added for double line return
- excerpt() public
Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
- highlight() public
Highlights a given phrase in a text. You can specify any expression in highlighter that may include the \1 expression to include the $phrase found.
- stripLinks() publicStrips given text of all links (<a href=....)
- tail() publicTruncates text starting from the end.
- toList() publicCreates a comma separated list where the last two items are joined with 'and', forming natural language.
- truncate() publicTruncates text.
Method Detail
__call()source public
__call( string $method , array $params )
Call methods from CakeText utility class
Parameters
- string
$method - Method to call.
- array
$params - Parameters to pass to method.
Returns
mixedWhatever is returned by called method, or false on failure
Overrides
Helper::__call() __construct()source public
__construct( View $View , array $settings array() )
Constructor
Settings:
-
engineClass name to use to replace CakeText functionality. The class needs to be placed in theUtilitydirectory.
Parameters
-
View$View - the view object the helper is attached to.
- array
$settingsoptional array() - Settings array Settings array
Throws
CakeExceptionwhen the engine class could not be found.
Overrides
Helper::__construct() _insertPlaceHolder()source protected
_insertPlaceHolder( array $matches )
Saves the placeholder for a string, for later use. This gets around double escaping content in URL's.
Parameters
- array
$matches - An array of regexp matches.
Returns
stringReplaced values.
_linkEmails()source protected
_linkEmails( string $text , array $options )
Links email addresses
Parameters
- string
$text - The text to operate on
- array
$options - An array of options to use for the HTML.
Returns
stringSee
TextHelper::autoLinkEmails()_linkUrls()source protected
_linkUrls( string $text , array $htmlOptions )
Replace placeholders with links.
Parameters
- string
$text - The text to operate on.
- array
$htmlOptions - The options for the generated links.
Returns
stringThe text with links inserted.
autoLink()source public
autoLink( string $text , array $options array() )
Convert all links and email addresses to HTML links.
Options
-
escapeControl HTML escaping of input. Defaults to true.
Parameters
- string
$text - Text
- array
$optionsoptional array() - Array of HTML options, and options listed above.
Returns
stringThe text with links
Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::autoLinkautoLinkEmails()source public
autoLinkEmails( string $text , array $options array() )
Adds email links (<a href="mailto:....) to a given text.
Options
-
escapeControl HTML escaping of input. Defaults to true.
Parameters
- string
$text - Text
- array
$optionsoptional array() - Array of HTML options, and options listed above.
Returns
stringThe text with links
Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::autoLinkEmailsautoLinkUrls()source public
autoLinkUrls( string $text , array $options array() )
Adds links (<a href=....) to a given text, by finding text that begins with strings like http:// and ftp://.
Options
-
escapeControl HTML escaping of input. Defaults to true.
Parameters
- string
$text - Text
- array
$optionsoptional array() - Array of HTML options, and options listed above.
Returns
stringThe text with links
Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::autoLinkUrlsautoParagraph()source public
autoParagraph( string $text )
Formats paragraphs around given text for all line breaks
added for single line return
<
p> added for double line return
Parameters
- string
$text - Text
Returns
stringThe text with proper
<
p> and
tags
Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::autoParagraphexcerpt()source public
excerpt( string $text , string $phrase , integer $radius 100 , string $ending '...' )
Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
Parameters
- string
$text - String to search the phrase in
- string
$phrase - Phrase that will be searched for
- integer
$radiusoptional 100 - The amount of characters that will be returned on each side of the founded phrase
- string
$endingoptional '...' - Ending that will be appended
Returns
stringModified string
See
CakeText::excerpt()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::excerpthighlight()source public
highlight( string $text , string $phrase , array $options array() )
Highlights a given phrase in a text. You can specify any expression in highlighter that may include the \1 expression to include the $phrase found.
Parameters
- string
$text - Text to search the phrase in
- string
$phrase - The phrase that will be searched
- array
$optionsoptional array() - An array of html attributes and options.
Returns
stringThe highlighted text
See
CakeText::highlight()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::highlightstripLinks()source public
stripLinks( string $text )
Strips given text of all links (<a href=....)
Parameters
- string
$text - Text
Returns
stringThe text without links
See
CakeText::stripLinks()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::stripLinkstail()source public
tail( string $text , integer $length 100 , array $options array() )
Truncates text starting from the end.
Cuts a string to the length of $length and replaces the first characters with the ellipsis if the text is longer than length.
Options:
-
ellipsisWill be used as Beginning and prepended to the trimmed string -
exactIf false, $text will not be cut mid-word
Parameters
- string
$text - String to truncate.
- integer
$lengthoptional 100 - Length of returned string, including ellipsis.
- array
$optionsoptional array() - An array of html attributes and options.
Returns
stringTrimmed string.
See
CakeText::tail()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::tailtoList()source public
toList( array $list , string $and null , string $separator ', ' )
Creates a comma separated list where the last two items are joined with 'and', forming natural language.
Parameters
- array
$list - The list to be joined.
- string
$andoptional null - The word used to join the last and second last items together with. Defaults to 'and'.
- string
$separatoroptional ', ' - The separator used to join all the other items together. Defaults to ', '.
Returns
stringThe glued together string.
See
CakeText::toList()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::toListtruncate()source public
truncate( string $text , integer $length 100 , array $options array() )
Truncates text.
Cuts a string to the length of $length and replaces the last characters with the ellipsis if the text is longer than length.
Options:
-
ellipsisWill be used as Ending and appended to the trimmed string (endingis deprecated) -
exactIf false, $text will not be cut mid-word -
htmlIf true, HTML tags would be handled correctly
Parameters
- string
$text - String to truncate.
- integer
$lengthoptional 100 - Length of returned string, including ellipsis.
- array
$optionsoptional array() - An array of html attributes and options.
Returns
stringTrimmed string.
See
CakeText::truncate()Link
http://book.cakephp.org/2.0/en/core-libraries/helpers/text.html#TextHelper::truncateMethods inherited from Helper
__get()source public
__get( string $name )
Lazy loads helpers. Provides access to deprecated request properties as well.
Deprecated
3.0.0 Accessing request properties through this method is deprecated and will be removed in 3.0.Parameters
- string
$name - Name of the property being accessed.
Returns
mixedHelper or property found at $name
__set()source public
__set( string $name , mixed $value )
Provides backwards compatibility access for setting values to the request object.
Deprecated
3.0.0 This method will be removed in 3.0Parameters
- string
$name - Name of the property being accessed.
- mixed
$value - Value to set.
_confirm()source protected
_confirm( string $message , string $okCode , string $cancelCode '' , array $options array() )
Returns a string to be used as onclick handler for confirm dialogs.
Parameters
- string
$message - Message to be displayed
- string
$okCode - Code to be executed after user chose 'OK'
- string
$cancelCodeoptional '' - Code to be executed after user chose 'Cancel', also executed when okCode doesn't return
- array
$optionsoptional array() - Array of options
Returns
stringonclick JS code
_encodeUrl()source protected
_encodeUrl( string $url )
Encodes a URL for use in HTML attributes.
Parameters
- string
$url - The URL to encode.
Returns
stringThe URL encoded for both URL & HTML contexts.
_formatAttribute()source protected
_formatAttribute( string $key , string $value , boolean $escape true )
Formats 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'
Deprecated
3.0.0 This method will be moved to HtmlHelper in 3.0Parameters
- string
$key - The name of the attribute to create
- string
$value - The value of the attribute to create.
- boolean
$escapeoptional true - Define if the value must be escaped
Returns
stringThe composed attribute.
_initInputField()source protected
_initInputField( string $field , array $options array() )
Sets the defaults for an input tag. Will set the name, value, and id attributes for an array of html attributes.
Parameters
- string
$field - The field name to initialize.
- array
$optionsoptional array() - Array of options to use while initializing an input field.
Returns
arrayArray options for the form input.
_name()source protected
_name( array|string $options array() , string $field null , string $key 'name' )
Gets the input field name for the current tag. Creates input name attributes using CakePHP's data[Model][field] formatting.
Parameters
- array|string
$optionsoptional 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
$fieldoptional null - Field name.
- string
$keyoptional 'name' - The name of the attribute to be set, defaults to 'name'
Returns
mixedIf an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.
_parseAttributes()source protected
_parseAttributes( array $options , array $exclude null , string $insertBefore ' ' , string $insertAfter null )
Returns a space-delimited string with items of the $options array. If a key of $options array happens to be one of those listed in Helper::$_minimizedAttributes
And its value is one of:
- '1' (string)
- 1 (integer)
- true (boolean)
- 'true' (string)
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.
Deprecated
3.0.0 This method will be moved to HtmlHelper in 3.0Parameters
- array
$options - Array of options.
- array
$excludeoptional null - Array of options to be excluded, the options here will not be part of the return.
- string
$insertBeforeoptional ' ' - String to be inserted before options.
- string
$insertAfteroptional null - String to be inserted after options.
Returns
stringComposed attributes.
_selectedArray()source protected
_selectedArray( string|array $data , string $key 'id' )
Transforms a recordset from a hasAndBelongsToMany association to a list of selected options for a multiple select element
Parameters
- string|array
$data - Data array or model name.
- string
$keyoptional 'id' - Field name.
Returns
arrayaddClass()source public
addClass( array $options array() , string $class null , string $key 'class' )
Adds the given class to the element options
Parameters
- array
$optionsoptional array() - Array options/attributes to add a class to
- string
$classoptional null - The class name being added.
- string
$keyoptional 'class' - the key to use for class.
Returns
arrayArray of options with $key set.
afterLayout()source public
afterLayout( string $layoutFile )
After layout callback. afterLayout is called after the layout has rendered.
Overridden in subclasses.
Parameters
- string
$layoutFile - The layout file that was rendered.
afterRender()source public
afterRender( string $viewFile )
After render callback. afterRender is called after the view file is rendered but before the layout has been rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The view file that was rendered.
afterRenderFile()source public
afterRenderFile( string $viewFile , string $content )
After render file callback. Called after any view fragment is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The file just be rendered.
- string
$content - The content that was rendered.
assetTimestamp()source public
assetTimestamp( string $path )
Adds 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 - The file path to timestamp, the path must be inside WWW_ROOT
Returns
stringPath with a timestamp added, or not.
assetUrl()source public
assetUrl( string|array $path , array $options array() )
Generate URL for given asset file. Depending on options passed provides full URL with domain name. Also calls Helper::assetTimestamp() to add timestamp to local files
Parameters
- string|array
$path - Path string or URL array
- array
$optionsoptional array() Options array. Possible keys:
fullBaseReturn full URL with domain namepathPrefixPath prefix for relative URLsextAsset extension to appendpluginFalse value will prevent parsing path as a plugin
Returns
stringGenerated URL
beforeLayout()source public
beforeLayout( string $layoutFile )
Before layout callback. beforeLayout is called before the layout is rendered.
Overridden in subclasses.
Parameters
- string
$layoutFile - The layout about to be rendered.
beforeRender()source public
beforeRender( string $viewFile )
Before render callback. beforeRender is called before the view file is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The view file that is going to be rendered
beforeRenderFile()source public
beforeRenderFile( string $viewFile )
Before render file callback. Called before any view fragment is rendered.
Overridden in subclasses.
Parameters
- string
$viewFile - The file about to be rendered.
clean()source public
clean( string|array $output )
Used to remove harmful tags from content. Removes a number of well known XSS attacks from content. However, is not guaranteed to remove all possibilities. Escaping content is the best way to prevent all possible attacks.
Deprecated
3.0.0 This method will be removed in 3.0Parameters
- string|array
$output - Either an array of strings to clean or a single string to clean.
Returns
string|array|nullCleaned content for output
domId()source public
domId( array|string $options null , string $id 'id' )
Generates 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
- array|string
$optionsoptional 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
$idoptional 'id' - The name of the 'id' attribute.
Returns
mixedIf $options was an array, an array will be returned with $id set. If a string was supplied, a string will be returned.
entity()source public
entity( )
Returns the entity reference of the current context as an array of identity parts
Returns
arrayAn array containing the identity elements of an entity
field()source public
field( )
Gets the currently-used model field of the rendering context. Strips off field suffixes such as year, month, day, hour, min, meridian when the current entity is longer than 2 elements.
Returns
stringmodel()source public
model( )
Gets the currently-used model of the rendering context.
Returns
stringoutput()source public
output( string $str )
Returns a string generated by a helper method
This method can be overridden in subclasses to do generalized output post-processing
Deprecated
3.0.0 This method will be removed in future versions.Parameters
- string
$str - String to be output.
Returns
stringsetEntity()source public
setEntity( string $entity , boolean $setScope false )
Sets this helper's model and field properties to the dot-separated value-pair in $entity.
Parameters
- string
$entity - A field name, like "ModelName.fieldName" or "ModelName.ID.fieldName"
- boolean
$setScopeoptional false - Sets the view scope to the model specified in $tagValue
url()source public
url( string|array $url null , boolean $full false )
Finds URL for specified action.
Returns a URL pointing at the provided parameters.
Parameters
- string|array
$urloptional 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
$fulloptional false - If true, the full base URL will be prepended to the result
Returns
stringFull translated URL with base path.
Link
http://book.cakephp.org/2.0/en/views/helpers.htmlvalue()source public
value( array|string $options array() , string $field null , string $key 'value' )
Gets the data for the current tag
Parameters
- array|string
$optionsoptional 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
$fieldoptional null - Field name.
- string
$keyoptional 'value' - The name of the attribute to be set, defaults to 'value'
Returns
mixedIf an array was given for $options, an array with $key set will be returned. If a string was supplied a string will be returned.
webroot()source public
webroot( string $file )
Checks if a file exists when theme is used, if no file is found default location is returned
Parameters
- string
$file - The file to create a webroot path to.
Returns
stringWeb accessible path to file.
Methods inherited from Object
_mergeVars()source 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
$normalizeoptional true - Set to true to run the properties through Hash::normalize() before merging.
_set()source 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
$propertiesoptional array() - An associative array containing properties and corresponding values.
_stop()source protected
_stop( integer|string $status 0 )
Stop execution of the current script. Wraps exit() making testing easier.
Parameters
- integer|string
$statusoptional 0 - see http://php.net/exit for values
dispatchMethod()source 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
$paramsoptional array() - Parameter list to use when calling $method
Returns
mixedReturns the result of the method call
log()source 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
$typeoptional LOG_ERR - Error type constant. Defined in app/Config/core.php.
- null|string|array
$scopeoptional null The scope(s) a log message is being created in. See CakeLog::config() for more information on logging scopes.
Returns
booleanSuccess of log write
requestAction()source 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
$extraoptional 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
mixedBoolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.
toString()source public
toString( )
Object-to-string conversion. Each class can override this method as necessary.
Returns
stringThe name of this class
Properties detail
$_placeholderssource
protected array
An array of md5sums and their contents. Used when inserting links into text.
array()
Magic properties detail
$Htmlsource
public HtmlHelper
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Licensed under the MIT License.
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We are not endorsed by or affiliated with CakePHP.
http://api.cakephp.org/2.8/class-TextHelper.html