What is a correct way to add a comment in PHP?
Single-line PHP Comments
To leave a single-line comment, type two forward slashes (//) followed by your comment text. All text to the right of the // will be ignored. You can also use a hash symbol (#) instead of // to make a single-line comment.
How do I comment HTML and PHP together?
Comments in PHP
- 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. // You can also use comments to leave out parts of a code line.
Why is my PHP commented out?
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.
How do you comment out a block of code 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.
What are the two types of comment tags?
What are the two types of comment tags? Single line ‘//’ and multi line comments ‘/*’.
What are the 2 types of PHP comments and give examples each?
There are two ways to use single line comments in PHP.
- // (C++ style single line comment)
- # (Unix Shell style single line comment)
Can HTML and PHP work together?
PHP and HTML interact a lot: PHP can generate HTML, and HTML can pass information to PHP. Before reading these faqs, it’s important you learn how to retrieve variables from external sources. The manual page on this topic includes many examples as well.
Can you use HTML in a PHP file?
As you can see, you can use any HTML you want without doing anything special or extra in your PHP file, as long as it’s outside and separate from the PHP tags. In other words, if you want to insert PHP code into an HTML file, just write the PHP anywhere you want (so long as they’re inside the PHP tags).
Whats PHP stand for?
PHP: Hypertext Preprocessor
PHP, originally derived from Personal Home Page Tools, now stands for PHP: Hypertext Preprocessor, which the PHP FAQ describes as a “recursive acronym.” PHP executes on the server, while a comparable alternative, JavaScript, executes on the client.
How do you comment multiple lines?
Press Ctrl + /
- Select all the lines that you would like to be commented.
- Press Ctrl + / Two slashes “//” will be added to the front of each line, causing them to be recognized as a comment.
How do you comment multiple lines in PHP?
PHP Comments Multi Line Comments
The multi-line comment can be used to comment out large blocks of code. It begins with /* and ends with */ .
What are the types of comments?
The Four Types of Comments
- The Wise Comment. The wise comment is one that shares knowledge.
- The Wicked Comment.
- The Ignorant Comment.
- The One Who Didn’t Read.
- Coda.
What is the header () function in PHP?
PHP | header() Function. The header() function is an inbuilt function in PHP which is used to send a raw HTTP header. The HTTP functions are those functions which manipulate information sent to the client or browser by the Web server, before any other output has been sent.
Should I mix PHP and HTML?
Mixing HTML and PHP. PHP code is normally mixed with HTML tags. PHP is an embedded language, meaning that you can jump between raw HTML code and PHP without sacrificing readability. In order to embed PHP code with HTML, the PHP must be set apart using PHP start and end tags.
Can I write HTML code in PHP?
While HTML and PHP are two separate programming languages, you might want to use both of them on the same page to take advantage of what they both offer. With one or both of these methods, you can easily embed HTML code in your PHP pages to format them better and make them more user-friendly.
How can I call HTML ID in PHP?
PHP cannot “call an HTML control”. If you want to dynamically modify things in the browser, you’ll have to do it client-side using Javascript. It is client-side, so you have to use Javascript, not PHP.
Can you write Javascript in PHP?
In PHP, HTML is used as a string in the code. In order to render it to the browser, we produce JavaScript code as a string in the PHP code.
Is PHP still used?
It is true that PHP has slipped down the rankings of the most popular programming languages, from 5th in 2017 to 8th in 2020 as per the Stack Overflow annual developer survey. And yet, PHP continues to be used by nearly 80% of all websites, powering some major platforms like WordPress and Facebook.
How do I run PHP?
php” file is placed inside the “htdocs” folder. If you want to run it, open any web browser and enter “localhost/demo. php” and press enter. Your program will run.
How do I comment all codes?
Commenting out code
- In the C/C++ editor, select multiple line(s) of code to comment out.
- To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ )
- To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+\ )
How do you comment in code?
Everything from the // to the end of the line is a comment. To mark an entire region as a comment, use /* to start the comment and */ to end the comment. * This is a block comment. * This code does nothing.
How do you single line and comment multiple lines in PHP?
Comments in PHP
- Syntax for single-line comments: <! DOCTYPE html> <html> <body> // This is a single-line comment.
- Syntax for multiple-line comments: <! DOCTYPE html> <html> <body> /*
- Using comments to leave out parts of the code: <! DOCTYPE html> <html> <body>
How do I make multiple line comments in HTML?
Multi-line comments start with /* and end with */ . Any text between /* and */ will be ignored by JavaScript.
What are the 3 types of comment?
In Java there are three types of comments:
Single-line comments. Multi-line comments. Documentation comments.
What are the two types of comments?
Single line comment.