title: php- floating point number shown in exponential form
body: <p>Could anyone please tell me why this happens,</p>
  
  <pre><code>$a  = 0.000022
  
  echo $a // 2.2E-5
  </code></pre>
  
  <p>What I want to see is <code>0.000022</code> not <code>2.2E-5</code></p>