Using this script you can find anything in the server source
STRING_TO_FIND ==> e.g. first_name DIR_PATH ==> start from the directory where file is located e.g. app/code/local FILE_EXTENSION ==> extension of file. e.g. php,phtml,xml(can use multiple extension with comma separated) Project base url (without index.php)
- Put the file in your root folder
- To search a string type in URL : BAS_URL/search.php