Removendo estilos embutidos usando php

Estou usando o php para produzir algum texto rico. Como remover completamente os estilos embutidos?

O texto será colado diretamente do MS Word, ou OpenOffice, e em um que use o TinyMCE, um editor Rich-Text que permite adicionar formatação HTML básica ao texto. No entanto, quero remover os estilos embutidos no

tags (veja abaixo), mas preserve o

identifica-se.

<p style="margin-bottom: 0cm;">A patrol of Zograth apes came round the corner, causing Rosette to pull Rufus into a small alcove, where she pressed her body against his. &ldquo;Sorry.&rdquo; She said, breathing warm air onto the shy man's neck. Rufus trembled.</p>
<p style="margin-bottom: 0cm;">&nbsp;</p>
<p style="margin-bottom: 0cm;">Rosette checked the coast was clear and pulled Rufus out of their hidey hole. They watched as the Zograth walked down a corridor, almost out of sight and then collapsed next to a phallic fountain. As their bodies hit the ground, their guns clattered across the floor. Rosette stopped one with her heel and picked it up immediately, tossing the other one to Rufus. &ldquo;Most of these apes seem to be dying, but you might need this, just to give them a helping hand.&rdquo;</p>

questionAnswers(9)

yourAnswerToTheQuestion