HelperExtension

Twig extension with some useful functions and filters.

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• Full name: \Drupal\helper\Twig\HelperExtension
• Parent class: AbstractExtension
• This class implements: LoggerAwareInterface

Properties

fileHelper

protected ?\Drupal\helper\File $fileHelper

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Methods

__construct

Constructs \Drupal\helper\Twig\HelperExtension.

public __construct(\Drupal\helper\File|null $fileHelper = null): mixed

Parameters:

Parameter	Type	Description
$fileHelper	\Drupal\helper\File|null
The file helper, or NULL when the file module isn't installed, such as
in kernel tests that don't enable it.

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getFunctions

{@inheritdoc}

public getFunctions(): array

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getFilters

{@inheritdoc}

public getFilters(): array

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getName

{@inheritdoc}

public getName(): mixed

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fileDataUri

Converts a file URL into a data URI.

public fileDataUri(string $uri, bool $base_64_encode = true, string|null $mimetype = null): string

Parameters:

Parameter	Type	Description
$uri	string
The file URI.
$base_64_encode	bool
TRUE to return the data URI as base-64 encoded content.
$mimetype	string|null
The optional mime type to provide for the data URI. If not provided
the mime type guesser service will be used.

Return Value:

The image data URI for use in a src attribute, or an empty string if the file can't be read or the file module isn't installed.

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