title: How to check if $row['column_name'] is returning empty php mysql
body: <p>I have a table with columns </p>
  
  <pre><code>id,name,phone,describe
  </code></pre>
  
  <p>While fetching the values from this table i am using </p>
  
  <pre><code>$row=mysql_fetch_array($query) 
  </code></pre>
  
  <p>Now i want to check whether </p>
  
  <pre><code>$row['describe'] 
  </code></pre>
  
  <p>is returning empty value. How to check in php??</p>