Using Line Breaks
How can a line break be used within HTML? That's easy: with the <br /> HTML element. However, what if there is data with \n or \r\n line breaks? Search and replace comes to mind; however, it is much easier to use a built-in PHP function: nl2br(). This parses a string and converts all line breaks to <br /> elements, as the preceding script shows.
Adding <br /> Elements at Every Line Break (nl2br.php)
<?php
$input = "One\nTwo\r\nThree";
echo nl2br($input);
?>
Outputs the HTML:
One<br />
Two<br />
Three
As you can see, the line breaks are still there, but the <br /> elements were added.
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