(PECL pecl_http >= 0.19.0)
http_negotiate_content_type — Negotiate clients preferred content type
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.
array containing the supported content types as values
will be filled with an array containing the negotiation results
Returns the negotiated content type or the default content type (i.e. first array entry) if none match.
Example #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));
?>