What is PHP?

Vijay January 16, 2021

• PHP is a server-side scripting language used to develop interactive and dynamic web pages.
• PHP stands for Hypertext Preprocessor.
• PHP syntax resembles Perl and C programming languages
• Version 7.* is the recommended version of PHP.

Frequently Asked Questions

How do you execute a PHP script from the command line?

        php php_script.php //where php_script is the name of the file.

Is it possible to generate HTML through PHP scripts?

       yes

Is it possible to pass pieces of information from HTML to PHP?

      yes

How the PHP and javascript interact?

      PHP and Javascript cannot interact directly. PHP is a server-side programming language and Javascript is a client-side scripting language. However, We can exchange the variables between PHP and Javascript. 

What is the common way to start and finish a block of code in PHP?

       <?php [   --PHP Code-- ] ?> 

       Or

       <? [--  PHP code  --] ?>

How to display the output of PHP directly to the browser?

      To display output directly to the browser, we use the special tags <?= and ?>

Is multiple inheritance support in PHP?

      PHP only supports single inheritance

How PHP and HTML interact?

     PHP and HTML interact through PHP scripts.

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Rylee January 26, 2021

• PHP stands for Hypertext Preprocessor. Earlier it was called Personal Home Page.
• PHP codes are executed on the server.
• It is the server-side scripting language to develop static and dynamic websites.

Features of PHP

• PHP stands for Hypertext Preprocessor.
• PHP supports various databases like MySQL, PostgreSQL, Sybase, MongoDB, Solid, etc.
• PHP can send and receive cookies
• PHP can insert, delete, update data in your database
• PHP can encrypt data

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