function fb_instant_articles_validate_an_placement_id in Facebook Instant Articles 7

Same name and namespace in other branches

1. 7.2 includes/admin.inc \fb_instant_articles_validate_an_placement_id()

Validation handler for Audience Network Placement ID

1 string reference to 'fb_instant_articles_validate_an_placement_id'

fb_instant_articles_module_config_ads in includes/admin.inc

Generates Ads sub-section of Module Configuration section

File

includes/admin.inc, line 166

Settings for Facebook Instant Articles Base module.

Code

function fb_instant_articles_validate_an_placement_id($element, &$form_state, $form) {

  // Only validate if Audience Network is selected as ad type
  if ($form_state['values']['fb_instant_articles_ad_type'] != FB_INSTANT_ARTICLES_AD_TYPE_FBAN) {
    return;
  }
  if (empty($element['#value'])) {
    form_error($element, t('You must specify a valid Placement ID when using the Audience Network ad type.'));
  }
  if (preg_match('/^[\\d_]+$/', $element['#value']) !== 1) {
    form_error($element, t('You must specify a valid Placement ID when using the Audience Network ad type.'));
  }
}