interface ResourceInterface

1. 8.x drupal/core/modules/rest/lib/Drupal/rest/Plugin/ResourceInterface.php \Drupal\rest\Plugin\ResourceInterface
2. 8.x drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Factory/Resource/ResourceInterface.php \Assetic\Factory\Resource\ResourceInterface

BasePhpFormulaLoader.php in drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Factory/Loader/BasePhpFormulaLoader.php

CachedFormulaLoader.php in drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Factory/Loader/CachedFormulaLoader.php

FormulaLoaderInterface.php in drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Factory/Loader/FormulaLoaderInterface.php

LazyAssetManager.php in drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Factory/LazyAssetManager.php

TwigFormulaLoader.php in drupal/core/vendor/kriswallsmith/assetic/src/Assetic/Extension/Twig/TwigFormulaLoader.php

... See full list

interface ResourceInterface {

  /**
   * Checks if a timestamp represents the latest resource.
   *
   * @param integer $timestamp A UNIX timestamp
   *
   * @return Boolean True if the timestamp is up to date
   */
  public function isFresh($timestamp);

  /**
   * Returns the content of the resource.
   *
   * @return string The content
   */
  public function getContent();

  /**
   * Returns a unique string for the current resource.
   *
   * @return string A unique string to identity the current resource
   */
  public function __toString();

}