PHP - imap_fetchheader() Function
PHP−IMAP functions helps you to access email accounts, IMAP stands for Internet Mail Access Protocol using these functions you can also work with NNTP, POP3 protocols and local mailbox access methods.
The imap_fetchheader() function accepts a resource value representing an IMAP stream, an integer value representing a message in the mailbox as parameters and, retrieves the header of the specified message.
Syntax
imap_fetchheader($imap_stream, $msg [, $options]);
Parameters
| Sr.No | Parameter & Description |
|---|---|
| 1 |
imap_stream (Mandatory) This is a string value representing an IMAP stream, return value of the imap_open() function. |
| 2 |
msg (Mandatory) This is an integer value representing the message/mail number, that is to marked for deletion. |
| 3 |
options(Optional) This is an optional parameter which can be one or more of the following −
|
Return Values
This function returns a string value representing the header of the specified mail/message.
PHP Version
This function was first introduced in PHP Version 4 and works in all the later versions.
Example
Following is an example of the imap_fetchheader() function −
<html>
<body>
<?php
//Establishing connection
$url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX";
$id = "tutorialspoint.test@gmail.com";
$pwd = "cohondob_123";
$imap = imap_open($url, $id, $pwd);
print("Connection established...."."<br>");
//Fetching the contents of a message
print("Contents of the first message: "."<br>");
$body = imap_fetchheader($imap, 3);
print_r($body);
print_r($body);
//Closing the connection
imap_close($imap);
?>
</body>
</html>
Output
This will generate the following output −
Connection established .... Contents of the first message: Delivered-To: tutorialspoint.test@gmail.com Received: by 2002: a05: 6214: 1625: 0: 0: 0: 0 with SMTP id e5csp4406831qvw; Mon, 26 Oct 2020 00:01:56 −0700 (PDT) X-Received: by 2002: a05: 6830: 1308 :: with SMTP id p8mr1957837otq.330.1603695716288; Mon, 26 Oct 2020 00:01:56 −0700 (PDT) ARC −Seal: i = 1; a = rsa−sha256; t = 1603695716; cv = none; d = google.com; s = arc-20160816; b = Xm8jmMAo9BHvDPfEAHphx6Siu3z1V6Kp9EBFAlZ8pq5efBjIEA / zBXvKTzf4XVct + v + . . . . . . . . . . . . . . .
Example
This is another example of this function −
<html>
<body>
<?php
//Establishing connection
$url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX";
$id = "tutorialspoint.test@gmail.com";
$pwd = "cohondob_123";
$imap = imap_open($url, $id, $pwd);
print("Connection established...."."<br>");
//Fetching the contents of a message
print("Contents of the first message: "."<br>");
$emailData = imap_search($imap, '');
foreach ($emailData as $msg) {
$header = imap_fetchheader($imap, $msg);
print($header);
print("<br>");
}
//Closing the connection
imap_close($imap);
?>
</body>
</html>
Output
This will generate the following output −
Connection established.... Contents of the first message: Delivered-To: tutorialspoint.test@gmail.com Received: by 2002:a05:6214:1625:0:0:0:0 with SMTP id e5csp1568707qvw; Thu, 22 Oct 2020 07:40:56 -0700 (PDT) X-Received: by 2002:aca:750b:: with SMTP id q11mr1798627oic.163.1603377656521; Thu, 22 Oct 2020 07:40:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603377656; cv=none; d=google.com; s=arc-20160816; b=zSBoZxFjMeKTU6s4IfuwImWLA+EHPl+rbEcemnErz+th7yY5+qDdO3bqR7R14ZOQwf
Example
Following is an example of the above function with optional parameters −
<html>
<body>
<?php
//Establishing connection
$url = "{imap.gmail.com:993/imap/ssl/novalidate-cert}INBOX";
$id = "tutorialspoint.test@gmail.com";
$pwd = "cohondob_123";
$imap = imap_open($url, $id, $pwd);
print("Connection established...."."<br>");
//Fetching the contents of a message
print("Contents of the first message: "."<br>");
$body = imap_fetchheader($imap, imap_uid($imap, 7), FT_UID);
print_r($body);
print_r($body);
//Closing the connection
imap_close($imap);
?>
</body>
</html>
This will generate the following output −
Connection established .... Contents of the first message: Delivered-To: tutorialspoint.test@gmail.com Received: by 2002: a05: 6214: 1625: 0: 0: 0: 0 with SMTP id e5csp4406831qvw; Mon, 26 Oct 2020 00:01:56 −0700 (PDT) X−Received: by 2002: a05: 6830: 1308 :: with SMTP id p8mr1957837otq.330.1603695716288; Mon, 26 Oct 2020 00:01:56 −0700 (PDT) ARC-Seal: i = 1; a = rsa-sha256; t = 1603695716; cv = none; d = google.com; s = arc-20160816; b = Xm8jmMAo9BHvDPfEAHphx6Siu3z1V6Kp9EBFAlZ8pq5efBjIEA / zBXvKTzf4XVct + v + . . . . . . . . . . . . . . .