😁wpautop Replaces double line breaks with paragraph elements (ok)

https://developer.wordpress.org/reference/functions/wpautop/

<?php
$some_long_text = // Start Text
Some long text
that has many lines

and paragraphs in it.
// end text

echo wpautop( $some_long_text );
?>

<p>Some long text<br/>
that has many lines</p>
<p>and paragraphs in it.</p>