Class TextHelper

Text helper library.

Text manipulations: Highlight, excerpt, truncate, strip of links, convert email addresses to mailto: links...

Namespace: Cake\View\Helper
See: \Cake\Utility\Text
Link: https://book.cakephp.org/4/en/views/helpers/text.html

Property Summary

$Html public @property

Cake\View\Helper\HtmlHelper
$_View protected

Cake\View\View

The View instance this helper is attached to
$_config protected

array

Runtime config
$_configInitialized protected

bool

Whether the config property has already been configured with defaults
$_defaultConfig protected

array

Default config for this class
$_engine protected

Cake\Utility\Text

Cake Utility Text instance
$_helperMap protected

array

A helper lookup table used to lazy load helper objects.
$_placeholders protected

array

An array of hashes and their contents. Used when inserting links into text.
$helpers protected

array

helpers

Method Summary

__call() public

Call methods from String utility class
__construct() public

Constructor
__debugInfo() public

Returns an array that can be used to describe the internal state of this object.
__get() public

Lazy loads helpers.
_configDelete() protected

Deletes a single config key.
_configRead() protected

Reads a config key.
_configWrite() protected

Writes a config key.
_confirm() protected

Returns a string to be used as onclick handler for confirm dialogs.
_insertPlaceHolder() protected

Saves the placeholder for a string, for later use. This gets around double escaping content in URL's.
_linkEmails() protected

Links email addresses
_linkUrls() protected

Replace placeholders with links.
addClass() public

Adds the given class to the element options
autoLink() public

Convert all links and email addresses to HTML links.
autoLinkEmails() public

Adds 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

added for double line return
configShallow() public

Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.
excerpt() public

Extracts an excerpt from the text surrounding the phrase with a number of characters on each side determined by radius.
getConfig() public

Returns the config.
getConfigOrFail() public

Returns the config for this specific key.
getView() public

Get the view instance this helper is bound to.
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.
implementedEvents() public

Event listeners.
initialize() public

Constructor hook method.
setConfig() public

Sets the config.
slug() public

Returns a string with all spaces converted to dashes (by default), characters transliterated to ASCII characters, and non word characters removed.
tail() public

Truncates text starting from the end.
toList() public

Creates a comma separated list where the last two items are joined with 'and', forming natural language.
truncate() public

Truncates text.

Method Detail

__call() ¶ public

__call(string $method, array $params): mixed

Call methods from String utility class

Parameters

string $method: Method to invoke
array $params: Array of params for the method.

Returns

mixed

__construct() ¶ public

__construct(Cake\View\View $view, array $config = [])

Constructor

Settings:

engine Class name to use to replace String functionality. The class needs to be placed in the Utility directory.

Parameters

Cake\View\View $view: the view object the helper is attached to.
array $config optional: Settings array Settings array

Throws

Cake\Core\Exception\CakeException
when the engine class could not be found.

__debugInfo() ¶ public

__debugInfo(): array

Returns an array that can be used to describe the internal state of this object.

Returns

array

__get() ¶ public

__get(string $name): Cake\View\Helper|null|void

Lazy loads helpers.

Parameters

string $name: Name of the property being accessed.

Returns

Cake\View\Helper|null|void

_configDelete() ¶ protected

_configDelete(string $key): void

Deletes a single config key.

Parameters

string $key: Key to delete.

Returns

void

Throws

Cake\Core\Exception\CakeException
if attempting to clobber existing config

_configRead() ¶ protected

_configRead(string|null $key): mixed

Reads a config key.

Parameters

string|null $key: Key to read.

Returns

mixed

_configWrite() ¶ protected

_configWrite(string|array $key, mixed $value, bool|string $merge = false): void

Writes a config key.

Parameters

string|array $key: Key to write to.
mixed $value: Value to write.
bool|string $merge optional: True to merge recursively, 'shallow' for simple merge, false to overwrite, defaults to false.

Returns

void

Throws

Cake\Core\Exception\CakeException
if attempting to clobber existing config

_confirm() ¶ protected

_confirm(string $okCode, string $cancelCode): string

Returns a string to be used as onclick handler for confirm dialogs.

Parameters

string $okCode: Code to be executed after user chose 'OK'
string $cancelCode: Code to be executed after user chose 'Cancel'

Returns

string

_insertPlaceHolder() ¶ protected

_insertPlaceHolder(array $matches): string

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

string

_linkEmails() ¶ protected

_linkEmails(string $text, array $options): string

Links email addresses

Parameters

string $text: The text to operate on
array $options: An array of options to use for the HTML.

Returns

string

_linkUrls() ¶ protected

_linkUrls(string $text, array $htmlOptions): string

Replace placeholders with links.

Parameters

string $text: The text to operate on.
array $htmlOptions: The options for the generated links.

Returns

string

addClass() ¶ public

addClass(array $options, string $class, string $key = 'class'): array

Adds the given class to the element options

Parameters

array $options: Array options/attributes to add a class to
string $class: The class name being added.
string $key optional: the key to use for class. Defaults to 'class'.

Returns

array

autoLink() ¶ public

autoLink(string $text, array $options = []): string

Convert all links and email addresses to HTML links.

Options

escape Control HTML escaping of input. Defaults to true.

Parameters

string $text: Text
array $options optional: Array of HTML options, and options listed above.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#linking-both-urls-and-email-addresses

autoLinkEmails() ¶ public

autoLinkEmails(string $text, array $options = []): string

Adds email links (<a href="mailto:....) to a given text.

Options

escape Control HTML escaping of input. Defaults to true.

Parameters

string $text: Text
array $options optional: Array of HTML options, and options listed above.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#linking-email-addresses

autoLinkUrls() ¶ public

autoLinkUrls(string $text, array $options = []): string

Adds links (<a href=....) to a given text, by finding text that begins with strings like http:// and ftp://.

Options

escape Control HTML escaping of input. Defaults to true.

Parameters

string $text: Text
array $options optional: Array of HTML options, and options listed above.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#linking-urls

autoParagraph() ¶ public

autoParagraph(string|null $text): string

Formats paragraphs around given text for all line breaks
added for single line return

added for double line return

Parameters

string|null $text: Text

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#converting-text-into-paragraphs

configShallow() ¶ public

configShallow(string|array $key, mixed|null $value = null): $this

Merge provided config with existing config. Unlike config() which does a recursive merge for nested keys, this method does a simple merge.

Setting a specific value:

$this->configShallow('key', $value);

Setting a nested value:

$this->configShallow('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->configShallow(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key: The key to set, or a complete array of configs.
mixed|null $value optional: The value to set.

Returns

$this

excerpt() ¶ public

excerpt(string $text, string $phrase, int $radius = 100, string $ending = '...'): string

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
int $radius optional: The amount of characters that will be returned on each side of the founded phrase
string $ending optional: Ending that will be appended

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#extracting-an-excerpt

getConfig() ¶ public

getConfig(string|null $key = null, mixed $default = null): mixed

Returns the config.

Usage

Reading the whole config:

$this->getConfig();

Reading a specific value:

$this->getConfig('key');

Reading a nested value:

$this->getConfig('some.nested.key');

Reading with default value:

$this->getConfig('some-key', 'default-value');

Parameters

string|null $key optional: The key to get or null for the whole config.
mixed $default optional: The return value when the key does not exist.

Returns

mixed

getConfigOrFail() ¶ public

getConfigOrFail(string $key): mixed

Returns the config for this specific key.

The config value for this key must exist, it can never be null.

Parameters

string $key: The key to get.

Returns

mixed

Throws

InvalidArgumentException

getView() ¶ public

getView(): Cake\View\View

Get the view instance this helper is bound to.

Returns

Cake\View\View

highlight() ¶ public

highlight(string $text, string $phrase, array $options = []): string

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 $options optional: An array of HTML attributes and options.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#highlighting-substrings

implementedEvents() ¶ public

implementedEvents(): array

Event listeners.

By defining one of the callback methods a helper is assumed to be interested in the related event.

Override this method if you need to add non-conventional event listeners. Or if you want helpers to listen to non-standard events.

Returns

array

initialize() ¶ public

initialize(array $config): void

Constructor hook method.

Implement this method to avoid having to overwrite the constructor and call parent.

Parameters

array $config: The configuration settings provided to this helper.

Returns

void

setConfig() ¶ public

setConfig(string|array $key, mixed|null $value = null, bool $merge = true): $this

Sets the config.

Usage

Setting a specific value:

$this->setConfig('key', $value);

Setting a nested value:

$this->setConfig('some.nested.key', $value);

Updating multiple config settings at the same time:

$this->setConfig(['one' => 'value', 'another' => 'value']);

Parameters

string|array $key: The key to set, or a complete array of configs.
mixed|null $value optional: The value to set.
bool $merge optional: Whether to recursively merge or overwrite existing config, defaults to true.

Returns

$this

Throws

Cake\Core\Exception\CakeException
When trying to set a key that is invalid.

slug() ¶ public

slug(string $string, array|string $options = []): string

Returns a string with all spaces converted to dashes (by default), characters transliterated to ASCII characters, and non word characters removed.

Options:

replacement: Replacement string. Default '-'.
transliteratorId: A valid transliterator id string. If null (default) the transliterator (identifier) set via Text::setTransliteratorId() or Text::setTransliterator() will be used. If false no transliteration will be done, only non words will be removed.
preserve: Specific non-word character to preserve. Default null. For e.g. this option can be set to '.' to generate clean file names.

Parameters

string $string: the string you want to slug
array|string $options optional: If string it will be use as replacement character or an array of options.

Returns

string

tail() ¶ public

tail(string $text, int $length = 100, array $options = []): string

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:

ellipsis Will be used as Beginning and prepended to the trimmed string
exact If false, $text will not be cut mid-word

Parameters

string $text: String to truncate.
int $length optional: Length of returned string, including ellipsis.
array $options optional: An array of HTML attributes and options.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#truncating-the-tail-of-a-string

toList() ¶ public

toList(string[] $list, string|null $and = null, string $separator = ', '): string

Creates a comma separated list where the last two items are joined with 'and', forming natural language.

Parameters

string[] $list: The list to be joined.
string|null $and optional: The word used to join the last and second last items together with. Defaults to 'and'.
string $separator optional: The separator used to join all the other items together. Defaults to ', '.

Returns

string

Links

https://book.cakephp.org/4/en/views/helpers/text.html#converting-an-array-to-sentence-form

truncate() ¶ public

truncate(string $text, int $length = 100, array $options = []): string

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:

ellipsis Will be used as Ending and appended to the trimmed string
exact If false, $text will not be cut mid-word
html If true, HTML tags would be handled correctly

Parameters

string $text: String to truncate.
int $length optional: Length of returned string, including ellipsis.
array $options optional: An array of HTML attributes and options.

Namespaces

Class TextHelper

Property Summary

Method Summary

__call() public

__construct() public

__debugInfo() public

__get() public

_configDelete() protected

_configRead() protected

_configWrite() protected

_confirm() protected

_insertPlaceHolder() protected

_linkEmails() protected

_linkUrls() protected

addClass() public

autoLink() public

autoLinkEmails() public

autoLinkUrls() public

autoParagraph() public

configShallow() public

excerpt() public

getConfig() public

getConfigOrFail() public

getView() public

highlight() public

implementedEvents() public

initialize() public

setConfig() public

slug() public

tail() public

toList() public

truncate() public

Method Detail

__call() ¶ public

Parameters

Returns

__construct() ¶ public

Settings:

Parameters

Throws

__debugInfo() ¶ public

Returns

__get() ¶ public

Parameters

Returns

_configDelete() ¶ protected

Parameters

Returns

Throws

_configRead() ¶ protected

Parameters

Returns

_configWrite() ¶ protected

Parameters

Returns

Throws

_confirm() ¶ protected

Parameters

Returns

_insertPlaceHolder() ¶ protected

Parameters

Returns

_linkEmails() ¶ protected

Parameters

Returns

See Also

_linkUrls() ¶ protected

Parameters

Returns

addClass() ¶ public

Parameters

Returns

autoLink() ¶ public

Options

Parameters

Returns

Links

autoLinkEmails() ¶ public

Options