title: Not able to use IMAP search
body: <p>My email id have email with subject line "=?UTF-8?Q?=e2=99=a3?= Styles =?UTF-8?Q?=e2=99=a3?=" Now I want to use imap_search to search email with this subject line. But I am getting an error-:</p>
  
  <pre><code>Notice: Unknown: Unknown search criterion: STYLES (errflg=2) in Unknown on line 0
  </code></pre>
  
  <p>Below is search code I am using:</p>
  
  <pre><code>    $ToSearch=trim("=?UTF-8?Q?=e2=99=a3?= Styles to Freshen Up Your Home =?UTF-8?Q?=e2=99=a3?=");
          $unreadEmails= imap_search($loginToInbox,'SUBJECT  '.$ToSearch.' SINCE '.$dateToSearch.'');
  var_dump($unreadEmails);
  </code></pre>
  
  <p>how can I search email with subject line.</p>