phpwebdev - Developing Web Applications with PHP with RAD...

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Developing Web Applications Developing Web Applications with PHP with PHP RAD for the World Wide Web Jeff Jirsa jjirsa@xnet.com
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Agenda Agenda Introduction PHP Language Basics Built-in Functions PHP on Linux and Windows Tricks and Tips PHP 5 Examples Questions?
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Introduction Introduction What is PHP? PHP stands for "PHP Hypertext Preprocessor” An embedded scripting language for HTML like ASP or JSP A language that combines elements of Perl, C, and Java
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Introduction Introduction History of PHP Created by Rasmus Lerdorf in 1995 for tracking access to his resume Originally a set of Perl scripts known as the “Personal Home Page” tools Rewritten in C with database functionality Added a forms interpreter and released as PHP/FI: includes Perl-like variables, and HTML embedded syntax
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Introduction Introduction History of PHP (cont.) Rewritten again in and released as version 2.0 in November of 1997 Estimated user base in 1997 is several thousand users and 50,000 web sites served Rewritten again in late 1997 by Andi Gutmans and Zeev Suraski More functionality added, database support, protocols and APIs
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Introduction Introduction History of PHP (cont.) User base in 1998 estimated 10,000 users and 100,000 web sites installed Version 3.0 was released in June 1998 as PHP Estimated user base in tens of thousands and hundreds of thousands of web sites served
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Introduction Introduction History of PHP (cont.) Rewritten again in 1997 by Andi Gutmans and Zeev Suraski More functionality added (OOP features), database support, protocols and APIs PHP 3.0 is released in June 1998 with some OO capability The core is rewritten in 1998 for improved performance of complex applications
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Introduction Introduction History of PHP (cont.) The core is rewritten in 1998 by Zeev and Andi and dubbed the “Zend Engine” The engine is introduced in mid 1999 and is released with version 4.0 in May of 2000 The estimated user base is hundreds of thousands of developers and several million of web sites served
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Introduction Introduction History of PHP (cont.) Version 5.0 will include version 2.0 of the Zend Engine New object model is more powerful and intuitive Objects will no longer be passed by value; they now will be passed by reference Increases performance and makes OOP more attractive
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Introduction Introduction Netcraft Statistics 11,869,645 Domains, 1,316,288 IP Addresses
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phpwebdev - Developing Web Applications with PHP with RAD...

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