function imageapi_optimize_processor_integer_validate in Image Optimize (or ImageAPI Optimize) 7.2

Form element validation function, ensures that value is an integer.

Parameters

$element: The form element being validated.

$form_state: The form state collection of the form element being validated.

1 string reference to 'imageapi_optimize_processor_integer_validate'

ImageAPIOptimizeProcessorReSmushIt::configForm in plugins/imageapi_optimize/ImageAPIOptimizeProcessorReSmushIt.inc

File

./imageapi_optimize.module, line 929

Code

function imageapi_optimize_processor_integer_validate($element, &$form_state) {
  $value = empty($element['#allow_negative']) ? $element['#value'] : preg_replace('/^-/', '', $element['#value']);
  if ($element['#value'] != '' && (!is_numeric($value) || intval($value) <= 0)) {
    if (empty($element['#allow_negative'])) {
      form_error($element, t('!name must be an integer.', array(
        '!name' => $element['#title'],
      )));
    }
    else {
      form_error($element, t('!name must be a positive integer.', array(
        '!name' => $element['#title'],
      )));
    }
  }
}