How to use %3c in PHP? Three use cases shared

PHP is a server-side scripting language that is the basis of many websites. There are many different tips and techniques you can use when writing websites using PHP, including special uses of <. in this article we will explore usage and the benefits of using them php.>

First, let’s take a look at what

For example, if you wanted to use a left angle bracket inside a title tag, you could code like this:

<h1>%3cHello World%3c/h1>

This would create a title with the text "" .

2. Use <

in URLs When writing URLs in PHP, if you need to include a left angle bracket in the URL, then you It must be escaped as <. This is one of the most common ways to use < in a URL.

For example, if you want to add the user's username to the URL, you can use the following code:

$username = 'JohnDoe';
$url = 'http://www.example.com/profile.php?username=%3c'.$username.'%3c';

In this example, $url will contain a username, which will Insert into the URL.

3. Using <

inside JavaScript When writing JavaScript code, you may need to include HTML tags in your strings. For example, if you want to write a string into an HTML document and style it to be bold, you can use the following code:

var message = 'This message will be displayed in bold';
document.getElementById('message').innerHTML = message;

In this example, we can use < to enclose the left angle bracket Encoded as URL. The code is as follows:

var message = 'This message will be displayed %3cin bold%3c';
document.getElementById('message').innerHTML = message;

This will create an HTML element with bold text, which contains a left angle bracket.

Summary

Using special uses of

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