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@pjdietz
Last active August 29, 2015 14:21
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Class for making responses on legacy servers slightly less painful
<?php
class Responder
{
/**
* @param int $statusCode
* @param array $headers
* @param string|callable $body
*/
public function respond($statusCode, $headers = null, $body = "")
{
$reasonPhraseLookup = array(
100 => "Continue",
101 => "Switching Protocols",
102 => "Processing",
200 => "OK",
201 => "Created",
202 => "Accepted",
203 => "Non-Authoritative Information",
204 => "No Content",
205 => "Reset Content",
206 => "Partial Content",
207 => "Multi-Status",
208 => "Already Reported",
226 => "IM Used",
300 => "Multiple Choices",
301 => "Moved Permanently",
302 => "Found",
303 => "See Other",
304 => "Not Modified",
305 => "Use Proxy",
307 => "Temporary Redirect",
308 => "Permanent Redirect",
400 => "Bad Request",
401 => "Unauthorized",
402 => "Payment Required",
403 => "Forbidden",
404 => "Not Found",
405 => "Method Not Allowed",
406 => "Not Acceptable",
407 => "Proxy Authentication Required",
408 => "Request Timeout",
409 => "Conflict",
410 => "Gone",
411 => "Length Required",
412 => "Precondition Failed",
413 => "Payload Too Large",
414 => "URI Too Long",
415 => "Unsupported Media Type",
416 => "Range Not Satisfiable",
417 => "Expectation Failed",
421 => "Misdirected Request",
422 => "Unprocessable Entity",
423 => "Locked",
424 => "Failed Dependency",
426 => "Upgrade Required",
428 => "Precondition Required",
429 => "Too Many Requests",
431 => "Request Header Fields Too Large",
500 => "Internal Server Error",
501 => "Not Implemented",
502 => "Bad Gateway",
503 => "Service Unavailable",
504 => "Gateway Timeout",
505 => "HTTP Version Not Supported",
506 => "Variant Also Negotiates",
507 => "Insufficient Storage",
508 => "Loop Detected",
510 => "Not Extended",
511 => "Network Authentication Required"
);
$reasonPhrase = "";
if (isset($reasonPhraseLookup[$statusCode])) {
$reasonPhrase = $reasonPhraseLookup[$statusCode];
}
// Status Line
header("HTTP/1.1 $statusCode $reasonPhrase");
// Headers
if (!is_array($headers)) {
$headers = array();
}
foreach ($headers as $name => $values) {
if (is_array($values)) {
foreach ($values as $value) {
header("$name: $value", false);
}
} else {
header("$name: $values", false);
}
}
// Body
if (is_callable($body)) {
$body();
} else {
print (string) $body;
}
exit;
}
}
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