Which is not a comment symbol in PHP?

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.

Which symbol is used for 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.

Is Hash a comment in PHP?

Hash ‘#’ appears to remain as a comment option by default by not being deprecated.

What are the main types of comment used in PHP?

PHP supports two types of comments:

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

What is the variable symbol in PHP programming?

In PHP, a variable is declared using $ sign followed by variable name. The main way to store information in the middle of a PHP program is by using a variable. Here are the most important things to know about variables in PHP. All variables in PHP are denoted with a leading dollar sign ($).

THIS IS IMPORTANT:  What does Sprintf do in PHP?

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.

What is the symbol for comment?

Comment symbols. Two ampersands (&&) can also be used for an end-of-line comment, but they are usually seen in older code. If an asterisk (*) is the first character in a statement, the entire line is considered a comment.

Which symbol is used for comments?

‘#’ is used to comment a line.

How do you enter a comment in a program?

A comment starts with a slash asterisk /* and ends with a asterisk slash */ and can be anywhere in your program. Comments can span several lines within your C program. Comments are typically added directly above the related C source code.

What does hash means in PHP?

PHPProgrammingServer Side Programming. A hash function is any function that can be used to map data of arbitrary size to data of a fixed size. The values returned by a hash function are called hash values, hash codes, digests, or simply hashes.

How do you comment out in HTML?

HTML comment Tag: Main Tips

  1. The <! — –> is an HTML comment tag.
  2. To comment out in HTML, insert information between <! — and –> tags (browsers won’t show these notes).
  3. Commenting in HTML allows developers to leave notes about their code, its functionality or to indicate necessary changes for the future.
THIS IS IMPORTANT:  How do I create a sa login in SQL Server 2014?

Can a PHP variable start with a number?

Rules for PHP variables: 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.

What is $_ POST in PHP?

PHP $_POST is a PHP super global variable which is used to collect form data after submitting an HTML form with method=”post”. $_POST is also widely used to pass variables. The example below shows a form with an input field and a submit button.

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 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.