function element_validate_number

7.x form.inc element_validate_number($element, &$form_state)

Form element validation handler for number elements.

Related topics

Form generation: Functions to enable the processing and display of HTML forms.

1 call to element_validate_number()

_element_validate_number in drupal-7.x/modules/field/field.module: DEPRECATED: Helper form element validator: number.

1 string reference to 'element_validate_number'

number_field_instance_settings_form in drupal-7.x/modules/field/modules/number/number.module: Implements hook_field_instance_settings_form().

File

drupal-7.x/includes/form.inc, line 4210: Functions for form and batch generation and processing.

Code

function element_validate_number($element, &$form_state) {
  $value = $element['#value'];
  if ($value != '' && !is_numeric($value)) {
    form_error($element, t('%name must be a number.', array('%name' => $element['#title'])));
  }
}