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How do I comment out a line in PHP?

Written by Michael Gray — 1 Views
The first type we will discuss is the single line comment. 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.

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Considering this, how do you comment out a line in HTML?

Steps

  1. Insert a single-line comment. Comments are designated by the tags <! -- and --> .
  2. Create a multiline comment.
  3. Use the comment function to quickly disable code.
  4. Use the comment function to hide scripts on unsupported browsers.

is a comment 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.

Similarly, you may ask, how do you comment out code?

Commenting out code

  1. In the C/C++ editor, select multiple line(s) of code to comment out.
  2. To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )
  3. To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+ )

What is the correct way to end a PHP statement?

In PHP, statements are terminated by a semicolon (;) like C or Perl. The closing tag of a block of PHP code automatically implies a semicolon, there is no need to have a semicolon terminating the last line of a PHP block.

Related Question Answers

What is a code comment?

In computer programming, a comment is a programmer-readable explanation or annotation in the source code of a computer program. They are added with the purpose of making the source code easier for humans to understand, and are generally ignored by compilers and interpreters.

What is HTML comment?

HTML Comments. Comments are some text or code written in your code to give an explanation about the code, and not visible to the user. Comments which are used for HTML file are known as HTML comments. Anything written between these tags will be ignored by the browser, so comments will not be visible on the webpage.

What is a multi line comment?

Comments are used to remind yourself and to inform others about the function of your program. Multiline comments are used for large text descriptions of code or to comment out chunks of code while debugging applications. Comments are ignored by the compiler. Syntax. /* comment */

How do you add a note in HTML?

This element is used to add a comment to an HTML document. An HTML comment begins with <! –– and the comment closes with ––> . HTML comments are visible to anyone that views the page source code, but are not rendered when the HTML document is rendered by a browser.

What is a single line comment?

Single-Line (C++-Style) Comments The simplest comment in Java is the single line comment. It starts with two forward slashes and continues to the end of the line. For example: // this is a single-line comment x = 1; // a single-line comment after code.

What is Target HTML?

Definition and Usage. The target attribute specifies a name or a keyword that indicates where to display the response that is received after submitting the form. The target attribute defines a name of, or keyword for, a browsing context (e.g. tab, window, or inline frame).

What is the correct HTML for inserting an image?

To insert image in an HTML page, use the <img> tags. It is an empty tag, containing only attributes since the closing tag is not required. Just keep in mind that you should use the <img> tag inside <body>… </body> tag.

What is HTML w3schools?

❮ Previous Next ❯ HTML stands for Hyper Text Markup Language. HTML is the standard markup language for Web pages. HTML elements are the building blocks of HTML pages. HTML elements are represented by <> tags.

How do you comment out a line in C++?

C++ Programming/Code/Style Conventions/Comments
  1. Single-line comments (informally, C++ style), start with // and continue until the end of the line. If the last character in a comment line is a the comment will continue in the next line.
  2. Multi-line comments (informally, C style), start with /* and end with */ .

What does the comment up mean?

The Meaning of WORD UP WORD UP means "OK, I agree" So now you know - WORD UP means "OK, I agree" - don't thank us.

How do you comment in C#?

Another way to comment out one or more lines of code to select the lines and click on the Comment or UnComment button in the Text Editor toolbar. Shortcut: You can use Ctrl+K, Ctrl+C and Ctrl+K, Ctrl+U to Comment or Uncomment selected lines of text.

How do you comment a section in Java?

Use // text when you want to comment a single line of code. Use /* text */ when you want to comment multiple lines of code. Use /** documentation */ when you would want to add some info about the program that can be used for automatic generation of program documentation.

What is data type in PHP?

Data Types in PHP The values assigned to a PHP variable may be of different data types including simple string and numeric types to more complex data types like arrays and objects. PHP supports total eight primitive data types: Integer, Floating point number or Float, String, Booleans, Array, Object, resource and NULL.

What does PHP stand for?

Personal Home Page

How can we define comments in PHP?

PHP Comment Syntax: Single Line Comment 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 does echo mean in PHP?

PHP echo and print Statements. echo and print are more or less the same. 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.

What is PHP variable?

Variable is a symbol or name that stands for a value. Variables are used for storing values such as numeric values, characters, character strings, or memory addresses so that they can be used in any part of the program. Declaring PHP variables.

What is get and post in php?

The POST method transfers information via HTTP headers. The information is encoded as described in case of GET method and put into a header called QUERY_STRING. The POST method does not have any restriction on data size to be sent. The POST method can be used to send ASCII as well as binary data.

What is var dump?

The var_dump() function is used to dump information about a variable. This function displays structured information such as type and value of the given variable. Arrays and objects are explored recursively with values indented to show structure. This function is also effective with expressions.

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