/**
* Parsed version of $_SERVER['HTTP_ACCEPT']
* @return array array( 'mime_type' => array( 'qualifier' => <value>, ...), ... )
*/
public static function http_accept()
{
if (self::$HTTP_ACCEPT === null) {
self::$HTTP_ACCEPT = array();
// Initialize self::$HTTP_ACCEPT
if (!empty($_SERVER['HTTP_ACCEPT'])) {
$mime_types = explode(',', $_SERVER['HTTP_ACCEPT']);
foreach ($mime_types as $value) {
$value = split(';', $value);
$mt = trim(array_shift($value));
self::$HTTP_ACCEPT[$mt]['q'] = 1.0;
foreach ($value as $v) {
if (preg_match('/^\\s*([^\\s=]+)\\s*=\\s*([^;]+?)\\s*$/', $v, $matches)) {
self::$HTTP_ACCEPT[$mt][$matches[1]] = is_numeric($matches[2]) ? (double) $matches[2] : $matches[2];
}
}
}
}
}
return self::$HTTP_ACCEPT;
}