function _adaptive_image_form_image_effect_form_validate in Adaptive Image 7

Form validation handler

1 string reference to '_adaptive_image_form_image_effect_form_validate'

adaptive_image_form_image_effect_form_alter in ./adaptive_image.module

Validate Input of Resolutions-Field

File

./adaptive_image.module, line 156

Adaptive Image - Adaptive images for Drupal

Code

function _adaptive_image_form_image_effect_form_validate($form, &$form_state) {
  $resolutions = explode(',', $form['data']['resolutions']['#value']);
  foreach ($resolutions as $width) {
    $width = trim($width, ' ');
    if (!is_numeric($width)) {
      form_set_error('resolutions', t("Values have to be seperated by comma. For example: 1382, 992, 768, 480"));
    }
  }
}