title: php excel setting wrong cell value
body: <p>when i set a cell value like this <br/>     </p>
  
  <pre><code>-&gt;setCellValue('O' . $currentRow, 12000000000000111702)
  </code></pre>
  
  <p>or</p>
  
  <pre><code>-&gt;setCellValue('O' . $currentRow, "12000000000000111702")
  </code></pre>
  
  <p>it is generating values 1.2E+19 i.e 12000000000000000000
  can anyone tell me the reason ?</p>