function form_basic_validate

7.x render.inc form_basic_validate($form, $form_state)
6.x render.inc form_basic_validate($form, $form_state)
4.x forms.inc form_basic_validate($form, $form_submitted)
5.x render.inc form_basic_validate($form, $form_submitted)

This is a very basic validator for form API submission. All I really care about is making sure required fields have a value in them. If they do not, we will file a form_error.

1 call to form_basic_validate()
system_handle_form_submit in modules/system/system.module
Intercepts form submissions from forms built with the form API.

File

includes/render.inc, line 416

Code

function form_basic_validate($form, $form_state) {

  foreach ($form as $name => $element) {
    if (is_array($element) && @$element ["required"]) {
      // Okay, this is a required field.  So, check that it has a non-blank value
      // in form_submitted.
      if ($form_state ["values"][$name] == "") {
        // It's blank!  ERROR!
        $label = $element ["label"];
        if ($label == "") {
          $label = $name;
        }
        form_error($name, t("You must enter a value for <b>%element_label</b>.", array("%element_label" => $label)));
      }


    } // if is_array element and required

    if (is_array($element) && isset($element ['type']) && $element ['type'] == 'value') {

      $should_be_value = @trim($form [$name]['value']);
      $found_value = @trim($form_state ['values'][$name]);

      if ($should_be_value !== $found_value) {
        form_error('', t("Invalid value found in form, possible hacking attempt or bug.  This incident has been logged.", array("%element_label" => $label)));
        watchdog('system', "Invalid value found in form, possible hacking attempt or bug.  Should be value: '$should_be_value', Found value: '$found_value' ", array(), WATCHDOG_ERROR);
      }


    } // if element is of type "value"



  }





}