title: How can i use $_GET to extract from index.php?23456
body: <p>How can i use <strong>$_GET</strong> to extract from index.php?23456</p>
  
  <p>For Example :</p>
  
  <p>www.example.com/index.php?<strong>23456</strong></p>
  
  <p>www.example.com/?<strong>23456</strong></p>
  
  <p>Or:</p>
  
  <p>www.example.com/index.php?<strong>23456</strong>&amp;<strong>55555</strong></p>
  
  <p>result should be :</p>
  
  <pre><code>echo $string; // result 23456
  echo $string2; // result 23456
  </code></pre>