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1. www.php.net › manual › enPHP: nl2br - Manual

   www.php.net › manual › en

   nl2br (PHP 4, PHP 5, PHP 7, PHP 8) nl2br — Inserts HTML line breaks before all newlines in a string

   • Printf

     Parameters ¶ format The format string is composed of zero or...

   • Vsprintf

     Parameters ¶ format The format string is composed of zero or...

   • Vfprintf

     Parameters ¶ stream format The format string is composed of...

   • Bin2hex

     Convert binary data into hexadecimal representation

   • Htmlspecialchars

     Certain characters have special significance in HTML, and...

   • Substr

     Parameters ¶ string The input string. offset If offset is...

   • Strtoupper

     Returns string with all ASCII alphabetic characters...

   • Ucfirst

     Make a string's first character uppercase

2. www.w3schools.com › PHP › func_string_nl2brPHP nl2br () Function - W3Schools

   www.w3schools.com › PHP › func_string_nl2br

   The PHP nl2br() function inserts HTML line breaks before all newlines in a string, making it easier to display text with proper formatting.

3. www.geeksforgeeks.org › php › php-nl2br-functionPHP nl2br () Function - GeeksforGeeks

   www.geeksforgeeks.org › php › php-nl2br-function

   Jul 11, 2025 · The nl2br () is an inbuilt function in PHP and is used to insert HTML break tags in the place of all new lines in a string. In normal text editors, the new line is generally denoted by using any of the following.

4. www.tutorialrepublic.com › php-reference › php-nl2brPHP nl2br () Function - Tutorial Republic

   www.tutorialrepublic.com › php-reference › php-nl2br

   PHP nl2br () Function Topic: PHP String Reference Prev | Next Description The nl2br() function inserts HTML line breaks before all newlines (\r\n, \n\r, \n and \r) in a string. The following table summarizes the technical details of this function.

   • Return Value: Returns the modified string.

   • Version: PHP 4+

5. www.tutorialspoint.com › php › php_function_nl2brPHP String nl2br () Function - Online Tutorials Library

   www.tutorialspoint.com › php › php_function_nl2br

   The PHP String nl2br () function is used to replace all new lines in a string with HTML break tags. Any of the following is typically used in standard text editors to indicate the new line.

6. thelinuxcode.com › php-nl2br-function-deep-guidePHP nl2br () Function: Deep Guide for Safe, Predictable Line ...

   thelinuxcode.com › php-nl2br-function-deep-guide

   Jan 13, 2026 · The real job of nl2br() and why it still matters I think about nl2br() as a tiny adapter between text and HTML. Plain text uses newline characters for line breaks, while HTML ignores them unless you wrap text in tags that preserve whitespace. nl2br() bridges that gap by inserting tags wherever it sees newline sequences in a string. This is important for real-world workflows: comments, support ...

7. People also ask

   What does nl2br do in PHP?

   • ❮ PHP String Reference echo nl2br ("One line.\nAnother line."); One line. Another line. Another line. The nl2br () function inserts HTML line breaks (
     or
     ) in front of each newline (\n) in a string. Required.

   PHP nl2br () Function - W3Schools

   www.w3schools.com/PHP/func_string_nl2br.asp

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   How does nl2br work?

   • Plain text uses newline characters for line breaks, while HTML ignores them unless you wrap text in tags that preserve whitespace. nl2br() bridges that gap by inserting tags wherever it sees newline sequences in a string.

   PHP nl2br () Function: Deep Guide for Safe, Predictable Line Breaks

   thelinuxcode.com/php-nl2br-function-deep-guide-for-safe-predictable-line-breaks/

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   Why does nl2br run twice?

   • Applying nl2br() to HTML content: If the text already contains markup, you’ll insert breaks in places you didn’t expect. I keep data stores clean and avoid mixing text and HTML. Double-applying: If text passes through multiple rendering layers, nl2br() may run twice. I prevent this by applying it only in the final rendering step.

   PHP nl2br () Function: Deep Guide for Safe, Predictable Line Breaks

   thelinuxcode.com/php-nl2br-function-deep-guide-for-safe-predictable-line-breaks/

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   How to detect double breaks in nl2br?

   • Detect double breaks: If you see
     in a rendered output, you’re escaping too late. In practice, a small log or dashboard widget can help teams spot these issues before they reach users. nl2br() is for display only. Escape first, then nl2br(). Normalize line endings on input.

   PHP nl2br () Function: Deep Guide for Safe, Predictable Line Breaks

   thelinuxcode.com/php-nl2br-function-deep-guide-for-safe-predictable-line-breaks/

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8. clouddevs.com › php › nl2br-functionThe Art of PHP’s nl2br () Function: Converting Newlines

   clouddevs.com › php › nl2br-function

   Learn how to use PHP's nl2br () function to effortlessly convert newlines into HTML line breaks for cleaner and more readable text formatting in your web applications.