Getting X-Mailer attribute in php imap -

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how can x-mailer attribute in php imap lib ?

i can't find fetch function attribute http://php.net/manual/en/function.imap-fetchheader.php

 $inbox = imap_open($hostname,$username,$password) or die('cannot connect gmail: ' . imap_last_error());    $header =  imap_fetchheader($inbox, 1);   var_dump($header);   /* close connection */ imap_close($inbox);

output getting 

 string(405) "mime-version: 1.0 received: 10.42.228.195; wed, 16 feb 2011 21:18:06 -0800 (pst) date: wed, 16 feb 2011 21:18:06 -0800 message-id: <aanlktikj8ngggkg=of=v6vvnst2qz3wlnkuvzxpcs4tk@mail.gmail.com> subject: gmail on mobile phone from: gmail team <mail-noreply@google.com> to: test case2 <email@gmail.com> content-type: multipart/alternative; boundary=20cf302234f1c34163049c73853c  "

method:

  • fetch headers imap_fetchheader()
  • extract x-mailer field headers
  • extract value field

example:

$inbox = imap_open($hostname,$username,$password); if (!$inbox) {     echo('cannot connect gmail: ' . imap_last_error());     exit; } $header_string =  imap_fetchheader($inbox, 1); preg_match_all('/([^: ]+): (.+?(?:\r\n\s(?:.+?))*)\r\n/m',          $header_string, $matches); $headers = array_combine($matches[1], $matches[2]); $xmailer = $headers['x-mailer']; imap_close($inbox);

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