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<?php

$bundle = 'article';
$entity_type = 'node';
$field = 'body';
$column = 'value';

print init_query($entity_type, $bundle)
    ->count()
    ->execute() . ' entities.' . PHP_EOL;

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<?php
  try {
    $fb = facebook_autopost();
    $fb
      ->setDestination('me')
      ->publish(array(
        'type' => 'status',
        'params' => array('message' => t('Hello world.')),
      ));
  }

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<?php

/**
 * A base class with getters and setters incorporated.
 */
class ObjectBase {
  /**
   * Setter function for a generic attribute.
   *
   * @param string $property_name

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# Add this to your .bash_profile / .bashrc / …

# Call this to reinstall a D8 development site.
function drupal-reinstall() {
  pass=$(grep "'password' =>" sites/default/settings.php | grep -v '[\*#]'|sort|uniq|cut -f4 -d\');
  username=$(grep "'username' =>" sites/default/settings.php | grep -v '[\*#]'|sort|uniq|cut -f4 -d\');
  dbname=$(grep "'database' =>" sites/default/settings.php | grep -v '[\*#]'|sort|uniq|cut -f4 -d\');
  sudo rm -rf sites/default;
  sudo git checkout -- sites/default;
  sudo chmod -R 777 sites/default;

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Videos incluidos (no se incluyen las sesiones de los eventos de la AED):

• Portando un módulo a Drupal 8.
• Depurando simpletest en Drupal 8.

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<?php
/**
 * Get the content of a field for a given array of entity ids. If the field
 * contains multiple values for a given entity id, then only the latest is
 * preserved.
 *
 * @param string $field_name
 *   The name of the field you need to retrieve.
 * @param array $entity_ids
 *   An array containing the entity ids to look for.

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<?php

/**
 * Implementation of hook_drush_command().
 */
function operations_drush_command() {
  $items = array();

  $items['local-update'] = array(
    'description' => 'Downloads a dump of the remote database, suffixes that file with the current date and stores it in the selected location. After importing the database, it will run update hooks, revert all features, and clear cache.',

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-- Select all media galleries and find all images in there that follow the path structure: public://images/%/%/%/% 
SELECT n.nid, fmi.field_media_items_fid, file.uri
FROM 
  node n
INNER JOIN
  field_data_field_media_items fmi ON fmi.entity_id = n.nid
INNER JOIN
  file_managed file ON file.fid = fmi.field_media_items_fid
WHERE
  n.type = 'media_gallery'

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<?php
  try {
    $fb = facebook_autopost();
    $fb
      ->setDestination($facebook_page_id)
      ->publish(array(
        'type' => 'status',
        'params' => array('message' => t('Hello world.')),
      ));
  }

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<?php

/**
 * @file
 * Contains \Drupal\restful\Util\PersistableCache.
 */

namespace Drupal\restful\Util;

class PersistableCache implements PersistableCacheInterface {