What is PHP explain PHP syntax with example?

What is PHP and its syntax?

The PHP syntax and semantics are the format (syntax) and the related meanings (semantics) of the text and symbols in the PHP programming language. They form a set of rules that define how a PHP program can be written and interpreted.

What is PHP explain with example?

PHP is a server side scripting language. that is used to develop Static websites or Dynamic websites or Web applications. PHP stands for Hypertext Pre-processor, that earlier stood for Personal Home Pages. … The client computers accessing the PHP scripts require a web browser only.

What is PHP in full?

PHP originally stood for Personal Home Page, but it now stands for the recursive initialism PHP: Hypertext Preprocessor. PHP code is usually processed on a web server by a PHP interpreter implemented as a module, a daemon or as a Common Gateway Interface (CGI) executable.

What is PHP give its syntax along with comments?

Answer: Use the Syntax “// text” and “/* text */”

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Comments are usually written within the block of PHP code to explain the functionality of the code.

What is basic syntax of PHP?

Basic PHP Syntax

A PHP file normally contains HTML tags, and some PHP scripting code. Below, we have an example of a simple PHP file, with a PHP script that uses a built-in PHP function ” echo ” to output the text “Hello World!”

How many types of syntax are available in PHP?

Three types of PHP Syntax are available.

3.

What does PHP stands for MCQ?

Description: PHP stands for Hypertext Preprocessor.

Where do I write PHP code?

PHP programs can be written on any editor, such as – Notepad, Notepad++, Dreamweaver, etc. These programs save with . php extension, i.e., filename. php inside the htdocs folder.

Why is PHP used?

PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be used to develop dynamic and interactive websites. It was among the first server-side languages that could be embedded into HTML, making it easier to add functionality to web pages without needing to call external files for data.

What is PHP call function?

A function is a self-contained block of code that performs a specific task. PHP has a huge collection of internal or built-in functions that you can call directly within your PHP scripts to perform a specific task, like gettype() , print_r() , var_dump , etc.

What is PHP vs HTML?

PHP vs HTML

PHP HTML
PHP codes are dynamic. HTML codes are static.
PHP is used for server-side programming which will interact with databases to retrieve information, storing, email sending, and provides content to HTML pages to display on the screen. HTML is used for specifying colors, text formatting, aligning, etc.
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Why PHP is called hypertext preprocessor?

php is called hypertext preprocessor because php libraries are already compiled and processed. when any person request any php page in browser address bar that request first go to server for example Apache is running on that server. then server interpret php files and return back response in form of HTML.

What are data types in PHP?

PHP supports the following data types:

  • String.
  • Integer.
  • Float (floating point numbers – also called double)
  • Boolean.
  • Array.
  • Object.
  • NULL.
  • Resource.

How do you write Hello World in PHP?

$string = ‘Hello World! <br>’; // You can echo the variable, similar to the way you would echo a string. echo $string; // You could also use print. print $string; // Or, if you are familiar with C, printf can be used too.

Why is my PHP commented out?

To run PHP scripts, you have to save the file as a . … So because PHP tags are not valid in HTML files, when not preprocessed by the server, the browser doesn’t recognise it, so it automatically converts it to comments since it doesn’t know what else to do with it.