function _mobile_switch_prevent_devices_strings_validate in Mobile Switch 7.2

Same name and namespace in other branches

1. 6 includes/mobile_switch.admin.inc \_mobile_switch_prevent_devices_strings_validate()
2. 7 includes/mobile_switch.admin.inc \_mobile_switch_prevent_devices_strings_validate()

Render API callback: Validates the user agent string parts.

Ensures that only letters and no blank lines has been entered.

This function is assigned as an #element_validate callback in mobile_switch_settings_form().

1 string reference to '_mobile_switch_prevent_devices_strings_validate'

mobile_switch_advanced_settings_form in includes/mobile_switch.admin.inc

Form constructor for the Advanced settings form.

File

includes/mobile_switch.admin.inc, line 325

Administrative page callbacks for the Mobile Switch module.

Code

function _mobile_switch_prevent_devices_strings_validate($element, &$form_state) {
  if (preg_match("/[^a-z][^\na-z]|[a-z][^\na-z]\$|.{0}\n\$/i", $element['#value'])) {
    form_error($element, t('%title: Use only the described characters and no blank lines.', array(
      '%title' => t($element['#title']),
    )));
  }
}