Frequent question: What is the correct way to add a comment in PHP?

How should we add a single line comment in your PHP code?

How should we add a single line comment in our PHP code? Explanation: /* */ can also be use to comment just a single line although it is used for paragraphs. // and # are used only for single line comment.

How do you comment a function in PHP?

The last line of comment text * should be immediately followed on the next line by the closing asterisk * and slash and then the item you are commenting on should be on the next * line below that. Don’t add extra lines.

Which is a valid comment in PHP?

PHP Comment Syntax: Multiple Line Comment

Similiar to the HTML comment, the multi-line PHP comment can be used to comment out large blocks of code or writing multiple line comments. The multiple line PHP comment begins with ” /* ” and ends with ” */ “.

What are comments in PHP?

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.

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What is PHP call function?

A PHP function provides code that a PHP script can call to perform a task, such as Count(), file_get_contents(), and header(). The PHP language supports both procedural and object-oriented programming paradigms.

What are the two types of comments used in PHP?

PHP supports two types of comments:

  • One-line comments.
  • Multi-line comments.

Which of the following is used to add comments in PHP?

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

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

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.

Which of the following is correct about PHP?

Q 2 – Which of the following is correct about PHP? A – PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them. B – PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user.

What is the full form of PHP?

PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

What is form method in PHP?

PHP form action attribute is used to specify where the data is sent to be processed. Superglobals $_POST and $_GET are used to gather data from PHP forms. GET method is used for non-sensitive data and allows bookmarking pages. POST method is used for sensitive data as it is considered more secure.

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How do we define any constant variable in PHP?

A constant can only be defined using define() function. It cannot be defined by any simple assignment. A variable can be defined by simple assignment (=) operator. There is no need to use the dollar ($) sign before constant during the assignment.