title: A non well formed numeric value encountered - Error in PHP
body: <p>I am trying to multiply two values in php which gives me the error
  <strong>A non well formed numeric value encountered</strong></p>
  
  <p>Code:</p>
  
  <pre><code>$value = 2.5/100;
  $totalvalue = $value * $totalvalue;
  echo $totalvalue;
  </code></pre>