What is PHP its syntax and comments?

What is PHP and its syntax?

The structure which defines PHP computer language is called PHP syntax. The PHP script is executed on the server and the HTML result is sent to the browser. It can normally have HTML and PHP tags.

What is PHP give its syntax along with comments?

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

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

What are PHP comments?

A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code.

What is the syntax for multiple lines commenting in PHP?

In PHP, we can comments multiple lines also. To do so, we need to enclose all lines within /* */. Let’s see a simple example of PHP multiple line comment.

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Which is correct syntax of PHP?

The correct option is (c) <? ?> The explanation is: Every section of PHP code starts and ends by turning on and off PHP tags to let the server know that it needs to execute the PHP in between them.

What is basic PHP?

The PHP Hypertext Preprocessor (PHP) is a programming language that allows web developers to create dynamic content that interacts with databases. PHP is basically used for developing web based software applications.

How many types of syntax are available in PHP?

Three types of PHP Syntax are available.

3.

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.

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 are the two types of comment tags in PHP?

PHP supports several ways of commenting:

  • Syntax for single-line comments: <! DOCTYPE html> <? php. // This is a single-line comment. …
  • Syntax for multiple-line comments: <! DOCTYPE html> <? php. /* …
  • Using comments to leave out parts of the code: <! DOCTYPE html> <? php.
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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.

What is single line comment in PHP?

The single line comment tells the interpreter to ignore everything that occurs on that line to the right of the comment. To do a single line comment type “//” or “#” and all text to the right will be ignored by PHP interpreter.

How do you write comments in HTML?

To write HTML comments put <! — and —> at either end of the comment. HTML comments are notes to keep HTML code organized and are ignored by the browser.

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.

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