/**
* Normalizes the headers
*
* @param string|string[] $headers
* @param boolean $associative TRUE if the headers should be an associative array else FALSE.
*
* @return string[]
*/
public static function normalize($headers, $associative = true)
{
$normalizedHeaders = [];
if (!$associative) {
$headers = self::normalize($headers);
}
foreach (HeaderParser::parse($headers) as $name => $value) {
if (strpos($value, 'HTTP/') === 0) {
continue;
}
list($name, $value) = explode(':', $value, 2);
$name = self::normalizeHeaderName($name);
$value = self::normalizeHeaderValue($value);
if (!$associative) {
$normalizedHeaders[] = $name . ': ' . $value;
} else {
$normalizedHeaders[$name] = isset($normalizedHeaders[$name]) ? $normalizedHeaders[$name] . ', ' . $value : $value;
}
}
return $normalizedHeaders;
}
/**
* Extracts the status line
*
* @param string|string[] $headers
*
* @return string
*/
public static function extract($headers)
{
$headers = HeaderParser::parse($headers);
return $headers[0];
}