1 PHP Pattadon Sintusak ID

PHP Programmingintroduction2 Content History of PHP What’s PHP? Purpose of PHP Structure of PHP Language Reference Different between PHP and ASP

PHP Programmingintroduction3 HISTORY of PHP PHP stands for “Professional Home Page” It’s first build in 1994 Developer is Mr.Rasmus Lerdorf Nowadays, PHP is the fourth version, The first version was known as Personal Homepage Tools in 1994 to 1995 The second was PHP/FI in middle of 1995 Version 3 was known as PHP3 firstly used in 1997

PHP Programmingintroduction4 Developers of PHP  Zeev Suraski, Israel  Andi Gutmans, Israel  Shane Caraveo, Florida USA  Stig Bakken, Norway  Andrey Zmievski, Nebraska USA  Sascha Schumann, Dortmund, Germany  Thies C. Arntzen, Hamburg, Germany  Jim Winstead, Los Angeles, USA  Rasmus Lerdorf, North Carolina, USA

PHP Programmingintroduction5 What’s PHP? It’s a Script language for showing webpage, arrange in Server Side Script group like ASP Insert in HTML for working Can compile in UNIX, Windows NT/2000/XP, Windows 9x High efficiency,especially when connect with Database such as MySQL, msSQL, Sybase and PostgreSQL etc.

PHP Programmingintroduction6 PHP can do !! CGI Database-enable web page Database Adabas D InterBase Solid DBase mSQLSybase Empress MySQLVelocis FilePro OracleUnix dbm Informix PostgreSQL

PHP Programmingintroduction7 Purpose of PHP Open source No cost implementation – PHP is free! Server side Crossable Platform HTML embedded Simple language Efficiency XML parsing Server side Database module File I/O Text processing Image processing

PHP Programmingintroduction8 Working of PHP Working on Server Working with HTML Can insert PHP commands as you want in HTML document Show output by Web Browsers

PHP Programmingintroduction9 Language structure of PHP XML style Example. <?php echo “Hello World ! ”; echo “I am PHP”; ?>

PHP Programmingintroduction10 Language structure of PHP(cont.) SGML style Example. <? echo “Hello World ! ”; echo “I am PHP”; ?>

PHP Programmingintroduction11 Language structure of PHP(cont.) Java Language style language command PHP Example. echo “Hello World”;

PHP Programmingintroduction12 Language structure of PHP(cont.) ASP Style Example. <% echo “Hello World ! ”; echo “I am PHP”; %>

PHP Programmingintroduction13 Language structure of PHP(cont.) XML style is the most popular style. Output is Hello World ! I am PHP Notice - Language structure is similar to C and Perl - use ( ; ) to end each command. File must save in.php (or php3)

PHP Programmingintroduction14 Language Reference Comments - similar to comment in C, C++ and Unix Example. <?php echo “Hello !”; // comment 1 line /* at least 2 lines */ echo “World”; # comment in shell-style ?>

PHP Programmingintroduction15 “Echo” command is a command for showing output at browser program format echo statement1 or variable1, statement2 or variable2, statement 3 or variable3, … statement is bestrided by double quote (“ “) or single quote (‘ ‘) Variable of PHP always begin with $ like Perl

PHP Programmingintroduction16 Example 1 intro.php Example –1

PHP Programmingintroduction17 Example 2 (date.php) Example –2 Today’s Date: Today's Date: Thursday March 10, 2003