function availability_calendars_is_safe_id in Availability Calendars 7.2

Same name and namespace in other branches

1. 6.2 availability_calendars.admin.inc \availability_calendars_is_safe_id()

Checks whether the given string can be used as an html id or class.

Parameters

string $string:

Return value

boolean

1 call to availability_calendars_is_safe_id()

availability_calendars_admin_settings_validate in ./availability_calendars.admin.inc

Form validate callback for the admin_settings form.

File

./availability_calendars.admin.inc, line 322

Code

function availability_calendars_is_safe_id($string) {
  return preg_match('/^[a-zA-Z][a-zA-Z0-9_-]*$/', $string) > 0;
}