title: Pass a PHP variable value through an HTML form
body: <p>In a html form I have a variable <code>$var = "some value";</code>. </p>
  
  <p>I want to call this variable after the form posted. The form is posted on the same page. </p>
  
  <p>I want to call here</p>
  
  <pre><code>if (isset($_POST['save_exit']))
  {
  
      echo $var; 
  
  }
  </code></pre>
  
  <p>But the variable is not printing. Where I have to use the code GLOBAL ?? </p>