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Vehicle Tracking System Using GPS and SMS
Chapter 2: Literature Review
This thesis covers the basis of a Vehicle Tracking System using GPS and SMS.This chapter
introduces all the theories and information related to this project to aid understanding of the
other chapters in this thesis.
2.1 Programming Languages Required
There are two programming languages, PHP and Java Script which are required to develop
the Vehicle Tracking System. These programming languages are highly essential for this
project in order to interact with the Microsoft Access Databases via ODBC to read the
information and to add the Google Maps API Application.
2.1.1 PHP
PHP (Hypertext Pre-Processor) is a widely used general purpose scripting language that is
especially suited for Web development and can be embedded into HTML. PHP Scripts are
enclosed within tags (starts with ) and because of that, the
programmer has the flexibility to jump between HTML and PHP instead of having to rely on
heavy amounts of code to output HTML. Since PHP is executed on the server, the codes
cannot be viewed by clients [11]. In addition, PHP can send HTTP headers, set cookies,
manage authentication and redirect users. It offers excellent connectivity to many
databases such as Microsoft Access through ODBC and integration with various external
libraries that let you do everything from generating PDF documents to parsing XML [12].
2.1.2 Java Script
Java Script is a scripting language developed by Netscape to enable Web designers to
create interactive websites. Despite the name, Java Script is unrelated to the Java
programming language even though the two of them have superficial similarities; Java
Script was developed independently. Both these languages use syntaxes influenced by that
of C syntax, and Java Script copies many Java names and naming conventions. It can
interact with HTML enabling Web designers to make their websites more interactive with
dynamic content [13].
Akila Wajirakumara Page 10