public static function respond($httpResponseCode, $errorDetails = NULL, $contentType = NULL)
{
self::$isShutdownHandlerEnabled = FALSE;
if ($errorDetails == NULL) {
$errorDetails = '';
}
// Check if any technical error has occurred (ignore certain errors).
$lastError = error_get_last();
if (isset($lastError['message']) and stripos($lastError['message'], 'magic_quotes_gpc') === FALSE) {
// If so, then log it.
$logMsg = $lastError['message'] . " in " . $lastError['file'] . '(' . $lastError['line'] . ')';
error_log("LAST ERROR - {$logMsg} {$errorDetails}");
// ...and adjust the response to make sure it replects an error.
if ($httpResponseCode < HttpResponseCodes::errorCodesBeginAt) {
$httpResponseCode = HttpResponseCodes::HTTP_INTERNAL_SERVER_ERROR;
}
$errorDetails .= "\n<!-- " . $lastError['message'] . "\n<br/>## " . $lastError['file'] . '(' . $lastError['line'] . ") -->";
// Append any available data.
$bufferedOutput = ob_get_clean();
if (strlen($bufferedOutput) > 0) {
$errorDetails .= "<br/>{$bufferedOutput}";
}
$contentType = 'text/html';
}
$responseMessage = HttpResponseCodes::getMessage($httpResponseCode);
header("HTTP/1.1 {$httpResponseCode} {$responseMessage}", true, $httpResponseCode);
if (!HttpResponseCodes::isSuccessCode($httpResponseCode)) {
if (HttpResponseCodes::canHaveBody($httpResponseCode)) {
$contentTypeTag = InternetMediaTypes::getTagOfType($contentType);
if ($contentTypeTag == 'xml') {
$response = '<?xml version="1.0"?>' . "\n<error>" . "<code>{$httpResponseCode}</code>" . "<message>{$responseMessage}</message>";
if (strlen($errorDetails) > 0) {
$response .= "<details>{$errorDetails}</details>";
}
$response .= '</error>';
} else {
$contentType = 'text/html';
$response = '<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">' . "\n<html><head>" . "<title>{$httpResponseCode} - {$responseMessage}</title>" . '</head><body>' . "<h1>{$responseMessage}</h1>";
if (strlen($errorDetails) > 0) {
if (stripos($errorDetails, '</html>') !== FALSE) {
$errorDetails = html_entity_decode($errorDetails);
}
$response .= "<p>{$errorDetails}</p>";
}
$response .= '</body></html>';
}
header('Content-type: ' . $contentType);
echo $response;
}
exit;
}
}
private function getHttpMediaType($httpAccept)
{
// if the response media type was requested via the URI...
$mediaType = NULL;
if ($this->expectedResponseTypeTag != NULL) {
// ...then get the associated InternetMediaType
$mediaType = InternetMediaTypes::getTypeOfTag($this->expectedResponseTypeTag);
} else {
if ($httpAccept != NULL) {
// ...else find a suitable media type in the 'Accept' HTTP-header of the request
$mediaType = InternetMediaTypes::findSuitableType($httpAccept);
}
}
if ($mediaType == NULL) {
$mediaType = 'text/html';
}
return $mediaType;
}