Understanding PHP
Relations PHP with HTML
This web page is usually composed of html codes are stored in a file extension. html. Html file is sent by the server (or file) to browser, then the browser to translate the codes so that produce a beautiful display. Another case with php program, the program This must be translated by the web-server so that the html codesent to the browser to display. This program can stand alone or inserted in between the html code so that it can be instantly displayed together with those html codes. Php program can be added to the flankingprogram between the marks. The signs are usually called sign for escaping (escape) from html code. Html file that has been spiked with the program php extension should it be replaced. php3 or. php.
PHP is a web programming language that is server-side = Embedded HTML scripting, in which his script together with HTML and are the server. The meaning is syntax and the commands that we give willfully run on the server but included HTML. PHP is known as scripting language that integrates with HTML tags, is executed on the server and used to create dynamic web pages such as ASP (Active ServerPages) and JSP (Java Server Pages).
PHP was first made by Rasmus Lerdroft, a programmer C. PHP originally used to calculate the number of visitors on the web. Then he issued a Personal Home Page Tools version 1.0 for free. VersionThis first came out in 1995. It contains a set of PERL scripts that made to create a dynamic web pages. Later in the year 1996 he released PHP version 2.0 which has the ability to access the database and can be integrated with HTML.In 1998, exactly on the date June 6, 1998 PHP version 3.0 out issued by Rasmus himself and the group of software developers.
The latest version, PHP 4.0 is out on May 22, 2000 is A more complete version more than the previous version. Changes The most basic of PHP 4.0 is an integrated Zend Engine createdby Zend Suraski and Andi Gutmans who was a refinement of PHP scripting engine. The other one is build in HTTP session, no longer uses Additional libraries like in PHP. The purpose of this scripting language is tocreate applications that run on top of web technologies. In this case, applications in general will result in a web browser, but the process as a whole runs a web server.
PHP Advantages
As e-commerce grows, these sites are increasingly statispun abandoned, because they are not meeting market demand, whereas site it must remain dynamic. At this time the language was far PERL and CGIbehind the times so that most web designers a lot of switching to the language server-side scripting like PHP more dynamic. All web-based applications can be made with PHP. But the strengthPHP is the ultimate in connectivity with database systems in the web. Database system that can be supported by PHP are:
1. Oracle
2. MySQL
3. Sybase
4. PostgreSQL
5. and other
PHP can run on different operating systems like Windows 98/NT, UNIX / Linux, Solaris and Macintosh.
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