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function rules_condition_custom_php_validate in Rules 6

Custom PHP condition configuration form validation Checks for at least one return statement

Related topics

Rules module integrations.: Module integrations with the rules module.
Rules module integrations.: Module integrations with the rules module.

File

rules/modules/php.rules_forms.inc, line 93: Rules configuration forms for the php module

Code

function rules_condition_custom_php_validate($form, $form_state) {
  if (strpos($form_state['values']['settings']['code'], 'return') === FALSE) {
    form_set_error('code', t('The code has to always return a boolean value.'));
  }
}