function form_validate_integer in Form Builder 7

Same name and namespace in other branches

1. 6 form_builder.module \form_validate_integer()
2. 7.2 form_builder.module \form_validate_integer()

Generic validation function to check that an element has a integer value.

3 string references to 'form_validate_integer'

FormBuilderWebformFormTest::testConfigurationForm in modules/webform/tests/FormBuilderWebformFormTest.php

form_builder_property_maxlength_form in includes/form_builder.properties.inc

Configuration form for the "maxlength" property.

form_builder_property_size_form in includes/form_builder.properties.inc

Configuration form for the "size" property.

File

./form_builder.module, line 350

form_builder.module Generic form building framework and user interface.

Code

function form_validate_integer(&$element, &$form_state) {
  $value = $element['#value'];
  if (empty($value)) {
    return;
  }

  // Remove thousands separators from numbers.
  $locale_info = localeconv();
  $separator = empty($locale_info['thousands_sep']) ? ',' : $locale_info['thousands_sep'];
  $new_value = str_replace(array(
    ' ',
    $separator,
  ), '', $value);
  $int_value = $new_value * 1;
  $new_value = (string) $int_value;
  if (!is_int($int_value) || $int_value === 0) {
    form_error($element, t('The %title field value must be an integer.', array(
      '%title' => $element['#title'],
    )));
  }
  elseif ($new_value !== $value) {
    form_set_value($element, $new_value, $form_state);
  }
}