How to insert a line break in PHP string ?

Last Updated : 07 Aug, 2024

In this article, we will discuss how to insert a line break in a PHP string. We will get it by using the nl2br() function. This function is used to give a new line break wherever '\n' is placed.

Syntax:

nl2br("string \n");

where the string is the input string.

Example 1: PHP Program to insert a line break in a string.

PHP

<?php // Insert a new line break echo nl2br("This is first line \n This is second line"); ?>

Output

This is first line <br />  This is second line

Example 2:

PHP

<?php  // Insert a line break with new line echo nl2br("This is first line \n This is second "    + "line \n This is third line \n This is fourth line");  ?>

Output

This is first line <br />  This is second line <br />  This is third line <br />  This is fourth line

Using Nowdoc Syntax

Using Nowdoc syntax in PHP, you can insert a line break by defining a multi-line string. This syntax treats everything literally, without parsing variables or special characters.

Example:

PHP

<?php $string = <<<'EOD' Hello, World! EOD; echo $string . PHP_EOL; // Outputs to the console ?>

Output

Hello, World!

Using PHP_EOL Constant

The PHP_EOL constant in PHP represents the end-of-line character appropriate for the platform PHP is running on (e.g., "\n" on Unix-like systems, "\r\n" on Windows). You can use this constant to insert platform-independent line breaks in a string.

Example:

PHP

<?php function insertLineBreakUsingEOL($string) {     return str_replace("\n", PHP_EOL, $string); }  $inputString = "Hello,\nWorld!"; $formattedString = insertLineBreakUsingEOL($inputString);  echo nl2br($formattedString);   ?>

Output

Hello,<br /> World!

Using str_replace()

The str_replace() function in PHP can replace all occurrences of a substring within a string. You can use this function to replace the newline character \n with <br /> tags for HTML output.

Example:

PHP

<?php function insertLineBreakUsingStrReplace($string) {     return str_replace("\n", "<br />", $string); }  $inputString = "This is the first line \nThis is the second line"; $formattedString = insertLineBreakUsingStrReplace($inputString);  echo $formattedString; ?>

Output

This is the first line <br />This is the second line

How to Insert a Line Break VARCHAR String in MySQL

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How to insert a line break in PHP string ?

Using Nowdoc Syntax

Using PHP_EOL Constant

Using str_replace()

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