Possible Duplicate:
How to parse and process HTML with PHP?
I have HTML code and i need get 1st DIV block
<div class="right-catalog-item"><b>Accessories 1</b></div>
after i need get from 1st DIV block get internal DIV block
<div style="margin-left: 10px;">
from this code:
<div class="right-catalog-item"><b>Accessories 1</b></div>
<div style="margin-left: 10px;">
<div class="right-catalog-item"><a href="/catalog/type/25/">item 1</a></div>
<div class="right-catalog-item"><a href="/catalog/type/10/">item 2</a></div>
<div class="right-catalog-item"><a href="/catalog/type/60/">item 3</a></div>
</div>
<div class="right-catalog-item"><a href="/catalog/type/2/"><b>Accessories 1</b></a>
</div>
<div class="right-catalog-item"><a href="/catalog/type/1/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/27/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/19/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/5/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/4/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/70/"><b>Accessories 1</b></a></div>
<div class="right-catalog-item"><a href="/catalog/type/12/"><b>Accessories 1</b></a></div>