title: why result of this Comparing is true
body: <p>in this simple PHP code
   why php parser return true?</p>
  
  <pre><code>
  $text="51.406ABC917";
  $floatval = floatval($text);//51.406
  if($floatval==$text){
  $result_compare = true;//php parser return true
  }else{
  $result_compare = false;
  }
  
  </code></pre>