public static Number::validateNumber(&$element, FormStateInterface $form_state, &$complete_form)
Form element validation handler for #type 'number'.
Note that #required is validated by _form_validate() already.
File
- core/lib/Drupal/Core/Render/Element/Number.php, line 62
Class
- Number
- Provides a form element for numeric input, with special numeric validation.
Namespace
Drupal\Core\Render\Element
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | public static function validateNumber(&$element, FormStateInterface $form_state, &$complete_form) { $value = $element['#value']; if ($value === '') { return; } $name = empty($element['#title']) ? $element['#parents'][0] : $element['#title']; // Ensure the input is numeric. if (!is_numeric($value)) { $form_state->setError($element, t('%name must be a number.', array('%name' => $name))); return; } // Ensure that the input is greater than the #min property, if set. if (isset($element['#min']) && $value < $element['#min']) { $form_state->setError($element, t('%name must be higher than or equal to %min.', array('%name' => $name, '%min' => $element['#min']))); } // Ensure that the input is less than the #max property, if set. if (isset($element['#max']) && $value > $element['#max']) { $form_state->setError($element, t('%name must be lower than or equal to %max.', array('%name' => $name, '%max' => $element['#max']))); } if (isset($element['#step']) && strtolower($element['#step']) != 'any') { // Check that the input is an allowed multiple of #step (offset by #min if // #min is set). $offset = isset($element['#min']) ? $element['#min'] : 0.0; if (!NumberUtility::validStep($value, $element['#step'], $offset)) { $form_state->setError($element, t('%name is not a valid number.', array('%name' => $name))); } }} |
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