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function trim_form_alter in Trim 8

Same name and namespace in other branches
  1. 7 trim.module \trim_form_alter()

Implements hook_form_alter().

File

./trim.module, line 13
Trim module.

Code

function trim_form_alter(&$form, FormStateInterface $form_state, $form_id) {

  // Ensure that there is an array here.
  if (!isset($form['#validate'])) {
    $form['#validate'] = [];
  }
  elseif (!is_array($form['#validate'])) {
    $form['#validate'][] = $form['#validate'];
  }

  // Now add a new function to the list, but ensure that it is called first.
  array_unshift($form['#validate'], 'trim_form_values');
}