PHP ActiveX

Get a Header Field of a Related Item

Demonstrates the Chilkat Email.GetRelatedHeader method, which returns the value of a named header field of a related item. The first argument is the zero-based related-item index and the second is the MIME header-field name. This example reads the Content-Type header of a related style sheet.

Background: Each related item is a MIME part with its own header block. Where GetRelatedAttr extracts a single named parameter from a header, GetRelatedHeader returns the entire value of a header field — for example the full Content-Type or Content-Location line — which is handy for inspecting exactly how an embedded resource is described.

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<?php

//  Demonstrates the GetRelatedHeader method, which returns the value of a header field (by
//  name) of a related item.  The first argument is the zero-based related-item index and the
//  second is the MIME header-field name.

$email = new COM("Chilkat.Email");
$email->Subject = 'GetRelatedHeader example';

//  Set an HTML body and add a related style sheet (index 0).
$email->SetHtmlBody('<html><head><link rel=\'stylesheet\' href=\'styles.css\'/></head><body>Styled.</body></html>');
$email->AddRelatedString2('styles.css','body { color: navy; }','utf-8');

//  Get the Content-Type header of the first related item (index 0).
$ct = $email->getRelatedHeader(0,'Content-Type');
print 'Related item 0 Content-Type: ' . $ct . "\n";

?>