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

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

PHP supports single-line and multi-line comments. There are two ways to use single-line comments in PHP. For multiple lines comment in PHP, we need to enclose all lines within /* ….. */.

Which of the following are comments 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.

Which comment line is used for PHP?

PHP Comment Syntax: Single Line Comment

To do a single line comment type “//” or “#” and all text to the right will be ignored by PHP interpreter.

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.

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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.

Which 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 are the two types of comments used in PHP?

PHP supports two types of comments:

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

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 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.

How can you create a multi line comment in PHP?

In PHP, we can comments multiple lines also. To do so, we need to enclose all lines within /* */.

PHP Multi Line Comments

  1. <? php.
  2. /*
  3. Anything placed.
  4. within comment.
  5. will not be displayed.
  6. on the browser;
  7. */
  8. echo “Welcome to PHP multi line comment”;

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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What is the difference between ECHO and print?

They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument. echo is marginally faster than print.”

Which is the right way of declaring a variable in PHP?

A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name cannot start with a number. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )