The documentation says:
Returns the negotiated content type or the default content type (i.e. first array entry) if none match.
It would seem that in fact, this method returns the empty string or NULL if none match.
http_negotiate_content_type
(PECL pecl_http >= 0.19.0)
http_negotiate_content_type — Negotiate client's preferred content type
Beschreibung
string http_negotiate_content_type
( array
$supported
[, array &$result
] )This function negotiates the clients preferred content type based on its Accept HTTP header. The qualifier is recognized and content types without qualifier are rated highest.
Parameter-Liste
-
supported -
array containing the supported content types as values
-
result -
will be filled with an array containing the negotiation results
Rückgabewerte
Returns the negotiated content type or the default content type (i.e. first array entry) if none match.
Beispiele
Beispiel #1 Using http_negotiate_content_type()
<?php
$content_types = array('application/xhtml+xml', 'text/html');
http_send_content_type(http_negotiate_content_type($content_types));
?>
http_negotiate_content_type
Pieter van Beek
03-Jul-2007 06:38
03-Jul-2007 06:38