--- /dev/null
+<?php
+namespace GuzzleHttp\Psr7;
+
+use Psr\Http\Message\MessageInterface;
+use Psr\Http\Message\RequestInterface;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Message\StreamInterface;
+use Psr\Http\Message\UriInterface;
+
+/**
+ * Returns the string representation of an HTTP message.
+ *
+ * @param MessageInterface $message Message to convert to a string.
+ *
+ * @return string
+ */
+function str(MessageInterface $message)
+{
+ if ($message instanceof RequestInterface) {
+ $msg = trim($message->getMethod() . ' '
+ . $message->getRequestTarget())
+ . ' HTTP/' . $message->getProtocolVersion();
+ if (!$message->hasHeader('host')) {
+ $msg .= "\r\nHost: " . $message->getUri()->getHost();
+ }
+ } elseif ($message instanceof ResponseInterface) {
+ $msg = 'HTTP/' . $message->getProtocolVersion() . ' '
+ . $message->getStatusCode() . ' '
+ . $message->getReasonPhrase();
+ } else {
+ throw new \InvalidArgumentException('Unknown message type');
+ }
+
+ foreach ($message->getHeaders() as $name => $values) {
+ $msg .= "\r\n{$name}: " . implode(', ', $values);
+ }
+
+ return "{$msg}\r\n\r\n" . $message->getBody();
+}
+
+/**
+ * Returns a UriInterface for the given value.
+ *
+ * This function accepts a string or {@see Psr\Http\Message\UriInterface} and
+ * returns a UriInterface for the given value. If the value is already a
+ * `UriInterface`, it is returned as-is.
+ *
+ * @param string|UriInterface $uri
+ *
+ * @return UriInterface
+ * @throws \InvalidArgumentException
+ */
+function uri_for($uri)
+{
+ if ($uri instanceof UriInterface) {
+ return $uri;
+ } elseif (is_string($uri)) {
+ return new Uri($uri);
+ }
+
+ throw new \InvalidArgumentException('URI must be a string or UriInterface');
+}
+
+/**
+ * Create a new stream based on the input type.
+ *
+ * Options is an associative array that can contain the following keys:
+ * - metadata: Array of custom metadata.
+ * - size: Size of the stream.
+ *
+ * @param resource|string|null|int|float|bool|StreamInterface|callable $resource Entity body data
+ * @param array $options Additional options
+ *
+ * @return Stream
+ * @throws \InvalidArgumentException if the $resource arg is not valid.
+ */
+function stream_for($resource = '', array $options = [])
+{
+ if (is_scalar($resource)) {
+ $stream = fopen('php://temp', 'r+');
+ if ($resource !== '') {
+ fwrite($stream, $resource);
+ fseek($stream, 0);
+ }
+ return new Stream($stream, $options);
+ }
+
+ switch (gettype($resource)) {
+ case 'resource':
+ return new Stream($resource, $options);
+ case 'object':
+ if ($resource instanceof StreamInterface) {
+ return $resource;
+ } elseif ($resource instanceof \Iterator) {
+ return new PumpStream(function () use ($resource) {
+ if (!$resource->valid()) {
+ return false;
+ }
+ $result = $resource->current();
+ $resource->next();
+ return $result;
+ }, $options);
+ } elseif (method_exists($resource, '__toString')) {
+ return stream_for((string) $resource, $options);
+ }
+ break;
+ case 'NULL':
+ return new Stream(fopen('php://temp', 'r+'), $options);
+ }
+
+ if (is_callable($resource)) {
+ return new PumpStream($resource, $options);
+ }
+
+ throw new \InvalidArgumentException('Invalid resource type: ' . gettype($resource));
+}
+
+/**
+ * Parse an array of header values containing ";" separated data into an
+ * array of associative arrays representing the header key value pair
+ * data of the header. When a parameter does not contain a value, but just
+ * contains a key, this function will inject a key with a '' string value.
+ *
+ * @param string|array $header Header to parse into components.
+ *
+ * @return array Returns the parsed header values.
+ */
+function parse_header($header)
+{
+ static $trimmed = "\"' \n\t\r";
+ $params = $matches = [];
+
+ foreach (normalize_header($header) as $val) {
+ $part = [];
+ foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) {
+ if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
+ $m = $matches[0];
+ if (isset($m[1])) {
+ $part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
+ } else {
+ $part[] = trim($m[0], $trimmed);
+ }
+ }
+ }
+ if ($part) {
+ $params[] = $part;
+ }
+ }
+
+ return $params;
+}
+
+/**
+ * Converts an array of header values that may contain comma separated
+ * headers into an array of headers with no comma separated values.
+ *
+ * @param string|array $header Header to normalize.
+ *
+ * @return array Returns the normalized header field values.
+ */
+function normalize_header($header)
+{
+ if (!is_array($header)) {
+ return array_map('trim', explode(',', $header));
+ }
+
+ $result = [];
+ foreach ($header as $value) {
+ foreach ((array) $value as $v) {
+ if (strpos($v, ',') === false) {
+ $result[] = $v;
+ continue;
+ }
+ foreach (preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $v) as $vv) {
+ $result[] = trim($vv);
+ }
+ }
+ }
+
+ return $result;
+}
+
+/**
+ * Clone and modify a request with the given changes.
+ *
+ * The changes can be one of:
+ * - method: (string) Changes the HTTP method.
+ * - set_headers: (array) Sets the given headers.
+ * - remove_headers: (array) Remove the given headers.
+ * - body: (mixed) Sets the given body.
+ * - uri: (UriInterface) Set the URI.
+ * - query: (string) Set the query string value of the URI.
+ * - version: (string) Set the protocol version.
+ *
+ * @param RequestInterface $request Request to clone and modify.
+ * @param array $changes Changes to apply.
+ *
+ * @return RequestInterface
+ */
+function modify_request(RequestInterface $request, array $changes)
+{
+ if (!$changes) {
+ return $request;
+ }
+
+ $headers = $request->getHeaders();
+
+ if (!isset($changes['uri'])) {
+ $uri = $request->getUri();
+ } else {
+ // Remove the host header if one is on the URI
+ if ($host = $changes['uri']->getHost()) {
+ $changes['set_headers']['Host'] = $host;
+
+ if ($port = $changes['uri']->getPort()) {
+ $standardPorts = ['http' => 80, 'https' => 443];
+ $scheme = $changes['uri']->getScheme();
+ if (isset($standardPorts[$scheme]) && $port != $standardPorts[$scheme]) {
+ $changes['set_headers']['Host'] .= ':'.$port;
+ }
+ }
+ }
+ $uri = $changes['uri'];
+ }
+
+ if (!empty($changes['remove_headers'])) {
+ $headers = _caseless_remove($changes['remove_headers'], $headers);
+ }
+
+ if (!empty($changes['set_headers'])) {
+ $headers = _caseless_remove(array_keys($changes['set_headers']), $headers);
+ $headers = $changes['set_headers'] + $headers;
+ }
+
+ if (isset($changes['query'])) {
+ $uri = $uri->withQuery($changes['query']);
+ }
+
+ if ($request instanceof ServerRequestInterface) {
+ return new ServerRequest(
+ isset($changes['method']) ? $changes['method'] : $request->getMethod(),
+ $uri,
+ $headers,
+ isset($changes['body']) ? $changes['body'] : $request->getBody(),
+ isset($changes['version'])
+ ? $changes['version']
+ : $request->getProtocolVersion(),
+ $request->getServerParams()
+ );
+ }
+
+ return new Request(
+ isset($changes['method']) ? $changes['method'] : $request->getMethod(),
+ $uri,
+ $headers,
+ isset($changes['body']) ? $changes['body'] : $request->getBody(),
+ isset($changes['version'])
+ ? $changes['version']
+ : $request->getProtocolVersion()
+ );
+}
+
+/**
+ * Attempts to rewind a message body and throws an exception on failure.
+ *
+ * The body of the message will only be rewound if a call to `tell()` returns a
+ * value other than `0`.
+ *
+ * @param MessageInterface $message Message to rewind
+ *
+ * @throws \RuntimeException
+ */
+function rewind_body(MessageInterface $message)
+{
+ $body = $message->getBody();
+
+ if ($body->tell()) {
+ $body->rewind();
+ }
+}
+
+/**
+ * Safely opens a PHP stream resource using a filename.
+ *
+ * When fopen fails, PHP normally raises a warning. This function adds an
+ * error handler that checks for errors and throws an exception instead.
+ *
+ * @param string $filename File to open
+ * @param string $mode Mode used to open the file
+ *
+ * @return resource
+ * @throws \RuntimeException if the file cannot be opened
+ */
+function try_fopen($filename, $mode)
+{
+ $ex = null;
+ set_error_handler(function () use ($filename, $mode, &$ex) {
+ $ex = new \RuntimeException(sprintf(
+ 'Unable to open %s using mode %s: %s',
+ $filename,
+ $mode,
+ func_get_args()[1]
+ ));
+ });
+
+ $handle = fopen($filename, $mode);
+ restore_error_handler();
+
+ if ($ex) {
+ /** @var $ex \RuntimeException */
+ throw $ex;
+ }
+
+ return $handle;
+}
+
+/**
+ * Copy the contents of a stream into a string until the given number of
+ * bytes have been read.
+ *
+ * @param StreamInterface $stream Stream to read
+ * @param int $maxLen Maximum number of bytes to read. Pass -1
+ * to read the entire stream.
+ * @return string
+ * @throws \RuntimeException on error.
+ */
+function copy_to_string(StreamInterface $stream, $maxLen = -1)
+{
+ $buffer = '';
+
+ if ($maxLen === -1) {
+ while (!$stream->eof()) {
+ $buf = $stream->read(1048576);
+ // Using a loose equality here to match on '' and false.
+ if ($buf == null) {
+ break;
+ }
+ $buffer .= $buf;
+ }
+ return $buffer;
+ }
+
+ $len = 0;
+ while (!$stream->eof() && $len < $maxLen) {
+ $buf = $stream->read($maxLen - $len);
+ // Using a loose equality here to match on '' and false.
+ if ($buf == null) {
+ break;
+ }
+ $buffer .= $buf;
+ $len = strlen($buffer);
+ }
+
+ return $buffer;
+}
+
+/**
+ * Copy the contents of a stream into another stream until the given number
+ * of bytes have been read.
+ *
+ * @param StreamInterface $source Stream to read from
+ * @param StreamInterface $dest Stream to write to
+ * @param int $maxLen Maximum number of bytes to read. Pass -1
+ * to read the entire stream.
+ *
+ * @throws \RuntimeException on error.
+ */
+function copy_to_stream(
+ StreamInterface $source,
+ StreamInterface $dest,
+ $maxLen = -1
+) {
+ $bufferSize = 8192;
+
+ if ($maxLen === -1) {
+ while (!$source->eof()) {
+ if (!$dest->write($source->read($bufferSize))) {
+ break;
+ }
+ }
+ } else {
+ $remaining = $maxLen;
+ while ($remaining > 0 && !$source->eof()) {
+ $buf = $source->read(min($bufferSize, $remaining));
+ $len = strlen($buf);
+ if (!$len) {
+ break;
+ }
+ $remaining -= $len;
+ $dest->write($buf);
+ }
+ }
+}
+
+/**
+ * Calculate a hash of a Stream
+ *
+ * @param StreamInterface $stream Stream to calculate the hash for
+ * @param string $algo Hash algorithm (e.g. md5, crc32, etc)
+ * @param bool $rawOutput Whether or not to use raw output
+ *
+ * @return string Returns the hash of the stream
+ * @throws \RuntimeException on error.
+ */
+function hash(
+ StreamInterface $stream,
+ $algo,
+ $rawOutput = false
+) {
+ $pos = $stream->tell();
+
+ if ($pos > 0) {
+ $stream->rewind();
+ }
+
+ $ctx = hash_init($algo);
+ while (!$stream->eof()) {
+ hash_update($ctx, $stream->read(1048576));
+ }
+
+ $out = hash_final($ctx, (bool) $rawOutput);
+ $stream->seek($pos);
+
+ return $out;
+}
+
+/**
+ * Read a line from the stream up to the maximum allowed buffer length
+ *
+ * @param StreamInterface $stream Stream to read from
+ * @param int $maxLength Maximum buffer length
+ *
+ * @return string|bool
+ */
+function readline(StreamInterface $stream, $maxLength = null)
+{
+ $buffer = '';
+ $size = 0;
+
+ while (!$stream->eof()) {
+ // Using a loose equality here to match on '' and false.
+ if (null == ($byte = $stream->read(1))) {
+ return $buffer;
+ }
+ $buffer .= $byte;
+ // Break when a new line is found or the max length - 1 is reached
+ if ($byte === "\n" || ++$size === $maxLength - 1) {
+ break;
+ }
+ }
+
+ return $buffer;
+}
+
+/**
+ * Parses a request message string into a request object.
+ *
+ * @param string $message Request message string.
+ *
+ * @return Request
+ */
+function parse_request($message)
+{
+ $data = _parse_message($message);
+ $matches = [];
+ if (!preg_match('/^[\S]+\s+([a-zA-Z]+:\/\/|\/).*/', $data['start-line'], $matches)) {
+ throw new \InvalidArgumentException('Invalid request string');
+ }
+ $parts = explode(' ', $data['start-line'], 3);
+ $version = isset($parts[2]) ? explode('/', $parts[2])[1] : '1.1';
+
+ $request = new Request(
+ $parts[0],
+ $matches[1] === '/' ? _parse_request_uri($parts[1], $data['headers']) : $parts[1],
+ $data['headers'],
+ $data['body'],
+ $version
+ );
+
+ return $matches[1] === '/' ? $request : $request->withRequestTarget($parts[1]);
+}
+
+/**
+ * Parses a response message string into a response object.
+ *
+ * @param string $message Response message string.
+ *
+ * @return Response
+ */
+function parse_response($message)
+{
+ $data = _parse_message($message);
+ // According to https://tools.ietf.org/html/rfc7230#section-3.1.2 the space
+ // between status-code and reason-phrase is required. But browsers accept
+ // responses without space and reason as well.
+ if (!preg_match('/^HTTP\/.* [0-9]{3}( .*|$)/', $data['start-line'])) {
+ throw new \InvalidArgumentException('Invalid response string');
+ }
+ $parts = explode(' ', $data['start-line'], 3);
+
+ return new Response(
+ $parts[1],
+ $data['headers'],
+ $data['body'],
+ explode('/', $parts[0])[1],
+ isset($parts[2]) ? $parts[2] : null
+ );
+}
+
+/**
+ * Parse a query string into an associative array.
+ *
+ * If multiple values are found for the same key, the value of that key
+ * value pair will become an array. This function does not parse nested
+ * PHP style arrays into an associative array (e.g., foo[a]=1&foo[b]=2 will
+ * be parsed into ['foo[a]' => '1', 'foo[b]' => '2']).
+ *
+ * @param string $str Query string to parse
+ * @param bool|string $urlEncoding How the query string is encoded
+ *
+ * @return array
+ */
+function parse_query($str, $urlEncoding = true)
+{
+ $result = [];
+
+ if ($str === '') {
+ return $result;
+ }
+
+ if ($urlEncoding === true) {
+ $decoder = function ($value) {
+ return rawurldecode(str_replace('+', ' ', $value));
+ };
+ } elseif ($urlEncoding == PHP_QUERY_RFC3986) {
+ $decoder = 'rawurldecode';
+ } elseif ($urlEncoding == PHP_QUERY_RFC1738) {
+ $decoder = 'urldecode';
+ } else {
+ $decoder = function ($str) { return $str; };
+ }
+
+ foreach (explode('&', $str) as $kvp) {
+ $parts = explode('=', $kvp, 2);
+ $key = $decoder($parts[0]);
+ $value = isset($parts[1]) ? $decoder($parts[1]) : null;
+ if (!isset($result[$key])) {
+ $result[$key] = $value;
+ } else {
+ if (!is_array($result[$key])) {
+ $result[$key] = [$result[$key]];
+ }
+ $result[$key][] = $value;
+ }
+ }
+
+ return $result;
+}
+
+/**
+ * Build a query string from an array of key value pairs.
+ *
+ * This function can use the return value of parse_query() to build a query
+ * string. This function does not modify the provided keys when an array is
+ * encountered (like http_build_query would).
+ *
+ * @param array $params Query string parameters.
+ * @param int|false $encoding Set to false to not encode, PHP_QUERY_RFC3986
+ * to encode using RFC3986, or PHP_QUERY_RFC1738
+ * to encode using RFC1738.
+ * @return string
+ */
+function build_query(array $params, $encoding = PHP_QUERY_RFC3986)
+{
+ if (!$params) {
+ return '';
+ }
+
+ if ($encoding === false) {
+ $encoder = function ($str) { return $str; };
+ } elseif ($encoding === PHP_QUERY_RFC3986) {
+ $encoder = 'rawurlencode';
+ } elseif ($encoding === PHP_QUERY_RFC1738) {
+ $encoder = 'urlencode';
+ } else {
+ throw new \InvalidArgumentException('Invalid type');
+ }
+
+ $qs = '';
+ foreach ($params as $k => $v) {
+ $k = $encoder($k);
+ if (!is_array($v)) {
+ $qs .= $k;
+ if ($v !== null) {
+ $qs .= '=' . $encoder($v);
+ }
+ $qs .= '&';
+ } else {
+ foreach ($v as $vv) {
+ $qs .= $k;
+ if ($vv !== null) {
+ $qs .= '=' . $encoder($vv);
+ }
+ $qs .= '&';
+ }
+ }
+ }
+
+ return $qs ? (string) substr($qs, 0, -1) : '';
+}
+
+/**
+ * Determines the mimetype of a file by looking at its extension.
+ *
+ * @param $filename
+ *
+ * @return null|string
+ */
+function mimetype_from_filename($filename)
+{
+ return mimetype_from_extension(pathinfo($filename, PATHINFO_EXTENSION));
+}
+
+/**
+ * Maps a file extensions to a mimetype.
+ *
+ * @param $extension string The file extension.
+ *
+ * @return string|null
+ * @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
+ */
+function mimetype_from_extension($extension)
+{
+ static $mimetypes = [
+ '7z' => 'application/x-7z-compressed',
+ 'aac' => 'audio/x-aac',
+ 'ai' => 'application/postscript',
+ 'aif' => 'audio/x-aiff',
+ 'asc' => 'text/plain',
+ 'asf' => 'video/x-ms-asf',
+ 'atom' => 'application/atom+xml',
+ 'avi' => 'video/x-msvideo',
+ 'bmp' => 'image/bmp',
+ 'bz2' => 'application/x-bzip2',
+ 'cer' => 'application/pkix-cert',
+ 'crl' => 'application/pkix-crl',
+ 'crt' => 'application/x-x509-ca-cert',
+ 'css' => 'text/css',
+ 'csv' => 'text/csv',
+ 'cu' => 'application/cu-seeme',
+ 'deb' => 'application/x-debian-package',
+ 'doc' => 'application/msword',
+ 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+ 'dvi' => 'application/x-dvi',
+ 'eot' => 'application/vnd.ms-fontobject',
+ 'eps' => 'application/postscript',
+ 'epub' => 'application/epub+zip',
+ 'etx' => 'text/x-setext',
+ 'flac' => 'audio/flac',
+ 'flv' => 'video/x-flv',
+ 'gif' => 'image/gif',
+ 'gz' => 'application/gzip',
+ 'htm' => 'text/html',
+ 'html' => 'text/html',
+ 'ico' => 'image/x-icon',
+ 'ics' => 'text/calendar',
+ 'ini' => 'text/plain',
+ 'iso' => 'application/x-iso9660-image',
+ 'jar' => 'application/java-archive',
+ 'jpe' => 'image/jpeg',
+ 'jpeg' => 'image/jpeg',
+ 'jpg' => 'image/jpeg',
+ 'js' => 'text/javascript',
+ 'json' => 'application/json',
+ 'latex' => 'application/x-latex',
+ 'log' => 'text/plain',
+ 'm4a' => 'audio/mp4',
+ 'm4v' => 'video/mp4',
+ 'mid' => 'audio/midi',
+ 'midi' => 'audio/midi',
+ 'mov' => 'video/quicktime',
+ 'mp3' => 'audio/mpeg',
+ 'mp4' => 'video/mp4',
+ 'mp4a' => 'audio/mp4',
+ 'mp4v' => 'video/mp4',
+ 'mpe' => 'video/mpeg',
+ 'mpeg' => 'video/mpeg',
+ 'mpg' => 'video/mpeg',
+ 'mpg4' => 'video/mp4',
+ 'oga' => 'audio/ogg',
+ 'ogg' => 'audio/ogg',
+ 'ogv' => 'video/ogg',
+ 'ogx' => 'application/ogg',
+ 'pbm' => 'image/x-portable-bitmap',
+ 'pdf' => 'application/pdf',
+ 'pgm' => 'image/x-portable-graymap',
+ 'png' => 'image/png',
+ 'pnm' => 'image/x-portable-anymap',
+ 'ppm' => 'image/x-portable-pixmap',
+ 'ppt' => 'application/vnd.ms-powerpoint',
+ 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+ 'ps' => 'application/postscript',
+ 'qt' => 'video/quicktime',
+ 'rar' => 'application/x-rar-compressed',
+ 'ras' => 'image/x-cmu-raster',
+ 'rss' => 'application/rss+xml',
+ 'rtf' => 'application/rtf',
+ 'sgm' => 'text/sgml',
+ 'sgml' => 'text/sgml',
+ 'svg' => 'image/svg+xml',
+ 'swf' => 'application/x-shockwave-flash',
+ 'tar' => 'application/x-tar',
+ 'tif' => 'image/tiff',
+ 'tiff' => 'image/tiff',
+ 'torrent' => 'application/x-bittorrent',
+ 'ttf' => 'application/x-font-ttf',
+ 'txt' => 'text/plain',
+ 'wav' => 'audio/x-wav',
+ 'webm' => 'video/webm',
+ 'wma' => 'audio/x-ms-wma',
+ 'wmv' => 'video/x-ms-wmv',
+ 'woff' => 'application/x-font-woff',
+ 'wsdl' => 'application/wsdl+xml',
+ 'xbm' => 'image/x-xbitmap',
+ 'xls' => 'application/vnd.ms-excel',
+ 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+ 'xml' => 'application/xml',
+ 'xpm' => 'image/x-xpixmap',
+ 'xwd' => 'image/x-xwindowdump',
+ 'yaml' => 'text/yaml',
+ 'yml' => 'text/yaml',
+ 'zip' => 'application/zip',
+ ];
+
+ $extension = strtolower($extension);
+
+ return isset($mimetypes[$extension])
+ ? $mimetypes[$extension]
+ : null;
+}
+
+/**
+ * Parses an HTTP message into an associative array.
+ *
+ * The array contains the "start-line" key containing the start line of
+ * the message, "headers" key containing an associative array of header
+ * array values, and a "body" key containing the body of the message.
+ *
+ * @param string $message HTTP request or response to parse.
+ *
+ * @return array
+ * @internal
+ */
+function _parse_message($message)
+{
+ if (!$message) {
+ throw new \InvalidArgumentException('Invalid message');
+ }
+
+ // Iterate over each line in the message, accounting for line endings
+ $lines = preg_split('/(\\r?\\n)/', $message, -1, PREG_SPLIT_DELIM_CAPTURE);
+ $result = ['start-line' => array_shift($lines), 'headers' => [], 'body' => ''];
+ array_shift($lines);
+
+ for ($i = 0, $totalLines = count($lines); $i < $totalLines; $i += 2) {
+ $line = $lines[$i];
+ // If two line breaks were encountered, then this is the end of body
+ if (empty($line)) {
+ if ($i < $totalLines - 1) {
+ $result['body'] = implode('', array_slice($lines, $i + 2));
+ }
+ break;
+ }
+ if (strpos($line, ':')) {
+ $parts = explode(':', $line, 2);
+ $key = trim($parts[0]);
+ $value = isset($parts[1]) ? trim($parts[1]) : '';
+ $result['headers'][$key][] = $value;
+ }
+ }
+
+ return $result;
+}
+
+/**
+ * Constructs a URI for an HTTP request message.
+ *
+ * @param string $path Path from the start-line
+ * @param array $headers Array of headers (each value an array).
+ *
+ * @return string
+ * @internal
+ */
+function _parse_request_uri($path, array $headers)
+{
+ $hostKey = array_filter(array_keys($headers), function ($k) {
+ return strtolower($k) === 'host';
+ });
+
+ // If no host is found, then a full URI cannot be constructed.
+ if (!$hostKey) {
+ return $path;
+ }
+
+ $host = $headers[reset($hostKey)][0];
+ $scheme = substr($host, -4) === ':443' ? 'https' : 'http';
+
+ return $scheme . '://' . $host . '/' . ltrim($path, '/');
+}
+
+/** @internal */
+function _caseless_remove($keys, array $data)
+{
+ $result = [];
+
+ foreach ($keys as &$key) {
+ $key = strtolower($key);
+ }
+
+ foreach ($data as $k => $v) {
+ if (!in_array(strtolower($k), $keys)) {
+ $result[$k] = $v;
+ }
+ }
+
+ return $result;
+}
projects / yaffs-website / blobdiff