ss="kw">(</span>array_sum<span class="kw">(</span>$w<span class="kw">),</span>0<span class="kw">,</span><span class="str">''</span><span class="kw">,</span><span class="str">'T'</span><span class="kw">);
}
}

</span>$pdf <span class="kw">= new </span>PDF<span class="kw">();
</span><span class="cmt">// Column headings
</span>$header <span class="kw">= array(</span><span class="str">'Country'</span><span class="kw">, </span><span class="str">'Capital'</span><span class="kw">, </span><span class="str">'Area (s