What areas is php mainly used in?

1. Server-side script.

This is the most traditional and main target area of ​​PHP. To carry out this work, you need the following three points:

A. PHP parser (CGI or server module)

B. Web server

C. Web browser.

You need to install and configure PHP when running the web server (recommended learning: PHP programming from entry to proficiency)

Then, you can use a web browser to access PHP The output of the program is to browse the PHP page on the server.

If you are just experimenting with PHP programming, all of this can be run on your home computer.

2. Command line script.

You can write a PHP script and don't need any server or browser to run it.

In this way, only the PHP parser is needed to execute.

This usage is ideal for daily running scripts that rely on cron (Unix or Linux environment) or Task Scheduler (Windows environment).

These scripts can also be used to process simple text.

3. Write desktop applications.

For desktop applications with graphical interfaces, PHP may not be the best language, but if the user is very proficient in PHP and wants to use some advanced aspects of PHP in client applications Features, you can use PHP-GTK to write these programs. In this way, you can also write cross-platform applications.

PHP-GTK is an extension of PHP that is not included in the commonly released PHP packages.

If you are interested in PHP-GTK, please visit its website for more information.

4. PHP application fields can be expanded to a wider range:

PHP also supports the use of services such as LDAP, IMAP, SNMP, NNTP, POP3, HTTP, COM (Windows environment) and services for countless protocols. Raw network ports can also be opened so that any other protocol can work together.

PHP supports WDDX complex data exchange with all web development languages. Regarding interconnection, PHP already supports instant connections to Java objects and can freely use them as PHP objects. You can even use our CORBA extension library to access remote objects.

PHP has extremely efficient text processing features, supporting everything from POSIX extensions or Perl regular expressions to XML document parsing. To parse and access XML documents, PHP 4 supports SAX and DOM standards, and you can also use the XSLT extension library to transform XML documents. PHP 5 standardizes all XML extensions based on the powerful libxm2, and adds SimpleXML and XMLReader support, expanding its capabilities in XML.

5. If the PHP application field is extended to e-commerce.

You will find its Cybercash payment, CyberMUT, VeriSign Payflow Pro and MCVE functions very useful for online trading programs.

6. In addition, there are many other interesting extension libraries.

For example: mnoGoSearch search engine function, IRC gateway function, various compression tools (gzip, bz2), calendar conversion, translation...

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