function email_contact_get_emails_from_field in Email Contact 8

Return emails from entity and given field name.

Parameters

string $entity_type: The type of requested entity.

string $id: The id of the requested entity.

object $field_name: The name of the email field.

Return value

array An array with valid email addresses.

1 call to email_contact_get_emails_from_field()

ContactForm::buildForm in src/Form/ContactForm.php

Form constructor.

File

./email_contact.module, line 25

Email Contact module file.

Code

function email_contact_get_emails_from_field($entity_type, $id, $field_name) {
  if (!is_numeric($id)) {
    throw new NotFoundHttpException();
  }

  /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
  $entity = \Drupal::entityTypeManager()
    ->getStorage($entity_type)
    ->load($id);

  // Check that the entity exists.
  if ($entity === NULL) {
    throw new NotFoundHttpException();
  }

  // Check that the field exists and has the right type.
  if (!$entity
    ->hasField($field_name)) {
    throw new NotFoundHttpException();
  }
  $field = $entity
    ->get($field_name);
  if ($field === NULL || $field
    ->getFieldDefinition()
    ->getType() != 'email') {
    throw new NotFoundHttpException();
  }

  // Load email addresses
  foreach ($field
    ->getIterator() as $item) {
    $value = $item
      ->getValue()['value'];
    if (!empty($value) && strpos($value, '@') !== FALSE) {
      $emails[] = $value;
    }
  }

  // Verify that the email address is not empty.
  if (empty($emails)) {
    throw new NotFoundHttpException();
  }
  return $emails;
}