Php string handling tricks
<p>Need to get the 10 word before and 10 words after  for the given text . i mean need to start the 10 words before the keyword and end with 10 word after the key word.</p>

<p>Given text : "Twenty-three"  </p>

<p>The main trick : content having some html tags  etc .. tags need to keep that tag with this content only . need to display the words from 10before - 10after</p>

<p>content is bellow :</p>

<pre><code>removed
</code></pre>

<p>Thank you </p>
