public function FormState::hasValue in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/lib/Drupal/Core/Form/FormState.php \Drupal\Core\Form\FormState::hasValue()

Determines if a specific key is present in the submitted form values.

Parameters

string|array $key: Values are stored as a multi-dimensional associative array. If $key is a string, it will return isset($values[$key]). If $key is an array, each element of the array will be used as a nested key. If $key = array('foo', 'bar') it will return isset($values['foo']['bar']).

Return value

bool TRUE if the $key is set, FALSE otherwise.

Overrides FormStateInterface::hasValue

File

core/lib/Drupal/Core/Form/FormState.php, line 1025

Contains \Drupal\Core\Form\FormState.

Class

FormState

Stores information about the state of a form.

Namespace

Drupal\Core\Form

Code

public function hasValue($key) {
  $exists = NULL;
  $value = NestedArray::getValue($this
    ->getValues(), (array) $key, $exists);
  return $exists && isset($value);
}