PHP Variable returned on echo
<p>I am using this statement but for some reason when my variable is 0 instead of getting the output "See Description"  - i am getting the output "0 See Description".</p>

<p>Why does this happen?</p>

<pre><code>$sinput = get_field('fl_area');
$soutput = sqFeetToMeters($sinput); 
if(trim($sinput) == "0"){echo ' See Description ' ;} else {echo $soutput . ' sq. m (' . number_format($sinput ) . ' sq. f)' ;} 
</code></pre>
