Try this:
<pre>
<code><span class="pln">$path </span><span class="pun">=</span><span class="pln"> $host</span><span class="pun">.</span><span class="str">'/documents/'</span><span class="pun">.</span><span class="pln">$a</span><span class="pun">[</span><span class="str">'file'</span><span class="pun">];</span><span class="com"> /* http://www.someweb.site/documents/somefile.pdf</span><span class="pln"> echo </span><span class="str">'<td>'</span><span class="pun">.</span><span class="pln">filesize</span><span class="pun">(</span><span class="pln">$path</span><span class="pun">).</span><span class="str">'</td>'</span><span class="pun">;</span></code>
</pre>
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