[PHP] How to Save HTML to mysql using PHP?

 You could use htmlspecialchars and htmlspecialchars_decode combined with htmlEntities ,html_entity_decode

htmlspecialchars — Convert special characters to HTML entities

See documentation here http://php.net/htmlspecialchars

htmlspecialchars_decode — Convert special HTML entities back to characters
See documentation here http://php.net/manual/en/function.htmlspecialchars-decode.php

$htmlcode = htmlentities(htmlspecialchars(thehmldata));
echo $htmlcode;

echo html_entity_decode(htmlspecialchars_decode($htmlcode));