PHP and MySQL

Some Basic Concepts Webpages and Website Web Application: Design And Development Design- HTML,CSS and other design concepts Development- Scripting ! Client-Server Architecture

Dynamic Pages A dynamic web page is a kind of web page that has been prepared with fresh information (content and/or layout), for each individual viewing. It is not static because it changes with the time (e.g. news content), the user (e.g. preferences in a login session), the user interaction (e.g. web page game), the context (e.g. parametric customization), or any combination thereof.

Server-side Scripting It is a web server technology in which a user's request is fulfilled by running a script directly on the web server to generate dynamic web pages. It is usually used to provide interactive web sites that interface to databases or other data stores. This is different from client-side scripting where scripts are run by the viewing web browser, usually in JavaScript. The primary advantage to server-side scripting is the ability to highly customize the response based on the user's requirements, access rights, or queries into data stores.

Some scripting languages: PHP (*.php) JavaServer Pages(*.jsp) ASP ColdFusion Markup Language (*.cfm) Perl (*.pl) SMX (*.smx) Python (*.py) Ruby (*.rb) Lasso (*.lasso) WebDNA (*.dna,*.tpl)

Apache- The PHP web Server Apache (By ASF) is THE webserver with complete PHP support Notable for playing a key role in the initial growth of the World Wide Web. In 2009, it became the first web server software to surpass the 100 million website milestone Works with almost any OS Apache was estimated to serve 63% of all websites and 66% of the million busiest.

PHP: Hypertext Preprocessor Born on June,1995. Widely used, general-purpose scripting language Was originally designed for web development to produce dynamic web pages. These scripts were written as C programming language Common Gateway Interface(CGI) binaries, extending them to add the ability to work with web forms and to communicate with databases and called this implementation 'Personal Home Page/Forms Interpreter' or PHP/FI.

PHP supports many DBMSs… MySQL Informix Oracle Sybase Solid PostgreSQL Generic ODBC etc.

MySQL Initially released on May, 1995. MySQL is a relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases. Written in C,C++ !

Wikipedia-depends upon the LAMP platform Uses an array of 5 MySQL servers Processes 200 million+ queries 2 million updates daily Illustrative of MySQL’s capabilities in a high read and high write environment

Yahoo! Operates on the FreeBSD platform,an open source Unix variant http://finance.yahoo.com/ uses FreeBSD and MySQL back end Billions of Monthly usage. (Yes, B illions)

Why PHP and MySQL? Childhood Friends Free and powerful Written in C,C++. This Combination makes implementations faster

More importantly… because of the stability, the lower server costs (Linux Servers - Apache HTTP Servers) than hosting . Net applications and the availability of ready to use Open Source Software Applications on the Internet.

Are you ready to code? If(lamp||xampp) return true; else If(apache && mysql==true) return true; else Visit GLOSS website !!

Talk is cheap. Show me the code -By ???

PHP Basics <?php /*code here */ echo “Hello World” ; //end with ; ?> Weakly Typed, $var_name = value; Arithmetic, Assignment, Comparison, Logical operators. Conditionals and loops – Same as C. Just use echo “ print this !“; //instead of printf() Functions: function functionName() { code to be executed; } //Call using function name

SQL Basics Either use the GUI (Say phpMyAdmin, MySQL query browser), form or menu based systems or Use SQL scripts.

PHP-MySQL Connectivity Follow these steps Connection //mysql_connect() Creation/Selection //mysql_select_db() Query //mysql_query() Connection Close //mysql_close()

Want More?? Use Existing PHP frameworks to code faster and clear for Real-Time Applications

PHP Frameworks CakePHP Zend Symfony CodeIgnitor Akelos Recess PRADO

Online Resources HTML – http://htmlhelp.com/reference/html40 PHP – http://www.php.net/manual/en PHP Libraries http://en.wikipedia.org/wiki/List_of_PHP_libraries MySQL – http://dev.mysql.com/doc/refman/5.0/en/ BROWSER – View Page Source http://www.w3schools.com/ OpenSource Applications – http://sourceforge.net/ And,of course,GOOGLE!!!! – whatever you want is out there

Now, What Next?? Why PHP is preferred than ASP? Is PHP object-oriented or procedural? Learn advanced topics on PHP and MySQL

And finally… //Build your own “Dynamic Web Application”//

Adios! Feel free to contact me @ [email_address] facebook.com/manigandan.balachandran twitter.com/manigandan_b Manigandan,B III CSE +91 9677216418

PHP and MySQL

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PHP and MySQL