context_metadata.module in Context Metadata 8.2

Contains context_metadata.module.

File

context_metadata.module

<?php

/**
 * @file
 * Contains context_metadata.module.
 */

/**
 * Alter the metatags for pages that are not of content entities.
 *
 * @param array $metatags
 *   The special metatags to be added to the page.
 * @param array $context
 *   The context, containing the entity used for token replacements.
 */
function context_metadata_metatags_alter(array &$metatags, array $context) {

  /** @var \Drupal\context\ContextManager $contextManager */
  $contextManager = \Drupal::service('context.manager');

  // Start the loopty loop.
  foreach ($contextManager
    ->getActiveReactions('context_metadata') as $reaction) {

    // Weed out the chaff.
    $contextMetadata = array_filter($reaction
      ->execute());

    // Unset the ID.
    unset($contextMetadata['id']);

    // Start the loopty loop.
    if (!empty($contextMetadata)) {
      foreach ($contextMetadata as $key => $value) {

        // Deal with arrays such as robots.
        if (is_array($value)) {
          $values = array_filter($value);

          // Only add if there are any values.
          if (!empty($values)) {
            $originalValues = $metatags[$key];
            $metatags[$key] = array_merge($originalValues, $values);
          }
        }
        else {
          $metatags[$key] = $value;
        }
      }
    }
  }
}

Functions

Name	Description
context_metadata_metatags_alter	Alter the metatags for pages that are not of content entities.