PHP (PHP Hypertext Preprocessor)

PHP ( PHP Hypertext Preprocessor) is debate which is the in form of script placed in server and processed in server. Result from php will be sent to client in place wearer of menggunkan browser. PHP often used to make the dynamic web, its meaning can form a[n appearance pursuant to request nowadays. Can be told also PHP is Ianguage of server-side scripting which is one by HTML to make the dynamic web. Server-Side Scripting sintaks and comands given will be run by full diserver but figured in document HTML .

PHP emerge first time in the year 1994 namely moment of Rasmus Lerdorf make a number of skript Perl which can perceive the whosoever which look around its curriculum vitae. The Skripts tidy to hereinafter become the tool is so-called " Personal Home Page." New in the year 1995, moment Rasmus create the PHP / fi 2 which can paste up the structure code ( urut) in tag HTML.

PHP have the character of the free or free wear ( not like ASP representing original product Microsoft) You download php in www.php.net for the version of windows. PHP also can be develop by as module of web server Apache and for binary which can walk for CGI.

Principle work the PHP is when binding PHP asked to be got by web server, its contents immediately sent by this kemesin PHP machine and of mamproses and give its result in the form of code HTML to later web server submitted/sent to client. Thereby a consumer internet cannot see the program code which is written in by PHP so that security from web become more well guaranted.

Because script PHP have to be sent first to machine PHP there are some badge differentiating script PHP by HTML, that is:
1. <? php
Your Php code
? >
2. <?
Your Php code
? >
3. < script language="PHP" ? >
Your Php code
</script>
4. < %
Your Php code
%>

Excess from PHP can deliver the HTTP header doormat can cookies arrange the authetication and redirect user. Others, PHP also can communicate with the database. So that data served can have the character of dynamic. Some database which can communicate with the PHP is dBase, DBM, Mysql, Oracle, and others. PHP also can integrate with a few library eksternal which can make the You can conduct the making of document PDF till memprase XML. PHP also support the communications with the other service through protocol IMAP, SHMP, POP3, or HTTP.