public StringBase::getLocations($check_only = FALSE)
Gets location information for this string.
Locations are arbitrary pairs of type and name strings, used to store information about the origins of the string, like the file name it was found on, the path on which it was discovered, etc.
A string can have any number of locations since the same string may be found on different places of Drupal code and configuration.
Parameters
bool $check_only: (optional) Set to TRUE to get only new locations