protected static function FeatureDetectionTrait::featureExists in Markdown 8.2

Determines whether a feature exists.

Parameters

string $name: The name of the feature. This name will be converted into a camel case version with "feature" as the prefix (i.e. name => featureName). This will be used to look for a static method on the object this trait is used in. If found, it will be invoked and cast to a boolean value.

Return value

bool TRUE or FALSE

5 calls to FeatureDetectionTrait::featureExists()

SmartPunctuationExtension::buildConfigurationForm in src/Plugin/Markdown/CommonMark/Extension/SmartPunctuationExtension.php

Form constructor.

SmartPunctuationExtension::defaultSettings in src/Plugin/Markdown/CommonMark/Extension/SmartPunctuationExtension.php

Provides the default settings for the plugin.

SmartPunctuationExtension::settingsKey in src/Plugin/Markdown/CommonMark/Extension/SmartPunctuationExtension.php

The array key name to use when the settings are nested in another array.

TableOfContentsExtension::buildConfigurationForm in src/Plugin/Markdown/CommonMark/Extension/TableOfContentsExtension.php

Form constructor.

TableOfContentsExtension::defaultSettings in src/Plugin/Markdown/CommonMark/Extension/TableOfContentsExtension.php

Provides the default settings for the plugin.

File

src/Traits/FeatureDetectionTrait.php, line 34

Class

FeatureDetectionTrait

Trait for implementing feature detection.

Namespace

Drupal\markdown\Traits

Code

protected static function featureExists($name) {
  if (!isset(static::$features[$name])) {
    $class = static::class;
    $method = (new CamelCaseToSnakeCaseNameConverter())
      ->denormalize("feature_{$name}");
    static::$features[$name] = method_exists($class, $method) ? !!$class::$method() : FALSE;
  }
  return static::$features[$name];
}