Sun. Jun 26th, 2022

PHP is an open source, server-side scripting language with integrated HTML programming that is used to create dynamic web pages. The advantages of PHP are its flexibility and its high compatibility with other databases. Also, PHP is considered as an easy language to learn.

PHP functions

PHP functions are related to server side scripts. PHP can perform any task that any CGI (Common Gateway Interface) program can and handles the exchange of data between the server and the software. Therefore, PHP can collect data or create dynamic web content.

Three main functions distinguish PHP in particular:

Server-side programming – This requires three components, which are a PHP parser, a web browser, and a web server. The latter is connected with a PHP installation. The web browser is used to access the PHP program. The browser displays web pages that are stored on the server and generated with PHP. Server-side programming is ideal for testing websites before publishing them on the web.
Programming through the command line: PHP scripts can be created without a browser or server. In this case, you will only need a PHP parser. These scripts are suitable for regular tasks carried out on a website.
Writing desktop applications: This feature is not used as often as programming web pages. However, PHP is suitable for desktop application development due to its complexity, which can also be used across multiple platforms.

Example of a PHP script embedded in an HTML document:

<!DOCTYPE HTML PUBLIC “-//W3C/DTD HTML 4.01 Transitional//EN
“http://www.w3.org/TR/html4/loose.dtd”>
<html>
<head>
<title>Page with PHP script </title>
</head>
<body>
<?php
echo “This is a PHP script”;
?>
</body>
</html>

Benefits of php

The PHP scripting language can be used with all popular operating systems. Also, PHP is compatible with most web servers like Apache. The advantages for the user are:

PHP can be used with any virtual operating system and any type of server.
Applications can be programmed procedure-oriented or project-oriented.
HTML, images, PDFs, or flash files can be generated dynamically with PHP.
PHP supports a large number of different databases, making this scripting language ideal for creating database-driven websites.
PHP offers full support for server communication with other protocols, like 192.168.l00.1

A small drawback when programming with PHP is that it generates URLs that are often cryptic to users and provide fewer keywords to search engines. But with a simple mod_rewrite the URLs generated in PHP can be converted to SEF URLs (Search Engine Friendly URLs).

www.samplewebsite.com/index.php?id=fotos&foto=12456

becomes, for example

www. samplewebsite.com/vacation-at-the-Grand-Canyon.html

SEO Benefits

PHP allows webmasters to deliver content without placing it directly in the source code as the content is parsed by a PHP script. Unlike JavaScript, the code is executed on the server and then delivered to the client. In this way, the content can be deliberately hidden from crawlers. Consequently, the forms of the contests or surveys on customer satisfaction can be displayed without harming or diminishing the content and its optimization in any way.

Basically it is also possible to parse all HTML elements through PHP. In that case, the original data would be completely hidden. This method would only be beneficial if the content was not used for indexing.

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