title: Get Isset Variable to Specific Value
body: <pre class="lang-php prettyprint-override"><code>if (isset($data['start']['tan']) AND $data['start']['tan'] == true) {
      $get_data[] = 'tan';
  }
  
  if (isset($data['start']['ban']) AND $data['start']['ban'] == true) {
      $get_data[] = 'ban';
  }
  
  if (isset($data['start']['pan']) AND $data['start']['pan'] == true) {
      $get_data[] = 'pan';
  }
  </code></pre>
  
  <p>Try to take only <code>tan</code> equal to <code>"a111"</code> values. Tested the code below, but I could not get even <code>tan</code> values.</p>
  
  <pre class="lang-php prettyprint-override"><code>if (isset($data['start']['tan']) AND $data['start']['tan'] == true AND $data['start']['tan'] == 'a111') {
      $get_data[] = 'tan';
  }
  </code></pre>