Code optimization

composer.json

@@ -8,6 +8,7 @@
         "php"          : ">=7.0",
         "ext-mbstring" : "*",
         "ext-ctype"    : "*",
+        "ext-curl"     : "*",
         "sabre/event"  : ">=4.0 <6.0",
         "sabre/uri"    : "^2.0"
     },

lib/Auth/AWS.php

@@ -55,14 +55,14 @@ public function init(): bool
     {
         $authHeader = $this->request->getHeader('Authorization');
 
-        if (is_null($authHeader)) {
+        if (null === $authHeader) {
             $this->errorCode = self::ERR_NOAWSHEADER;
 
             return false;
         }
         $authHeader = explode(' ', $authHeader);
 
-        if ('AWS' != $authHeader[0] || !isset($authHeader[1])) {
+        if ('AWS' !== $authHeader[0] || !isset($authHeader[1])) {
             $this->errorCode = self::ERR_NOAWSHEADER;
 
             return false;
@@ -93,7 +93,7 @@ public function validate(string $secretKey): bool
             $body = $this->request->getBody();
             $this->request->setBody($body);
 
-            if ($contentMD5 != base64_encode(md5((string) $body, true))) {
+            if ($contentMD5 !== base64_encode(md5((string) $body, true))) {
                 // content-md5 header did not match md5 signature of body
                 $this->errorCode = self::ERR_MD5CHECKSUMWRONG;
 
@@ -122,7 +122,7 @@ public function validate(string $secretKey): bool
             )
         );
 
-        if ($this->signature != $signature) {
+        if ($this->signature !== $signature) {
             $this->errorCode = self::ERR_INVALIDSIGNATURE;
 
             return false;

lib/Auth/Digest.php

@@ -123,7 +123,7 @@ protected function validate(): bool
     {
         $A2 = $this->request->getMethod().':'.$this->digestParts['uri'];
 
-        if ('auth-int' == $this->digestParts['qop']) {
+        if ('auth-int' === $this->digestParts['qop']) {
             // Making sure we support this qop value
             if (!($this->qop & self::QOP_AUTHINT)) {
                 return false;
@@ -132,18 +132,15 @@ protected function validate(): bool
             $body = $this->request->getBody($asString = true);
             $this->request->setBody($body);
             $A2 .= ':'.md5($body);
-        } else {
-            // We need to make sure we support this qop value
-            if (!($this->qop & self::QOP_AUTH)) {
-                return false;
-            }
+        } elseif (!($this->qop & self::QOP_AUTH)) {
+            return false;
         }
 
         $A2 = md5($A2);
 
         $validResponse = md5("{$this->A1}:{$this->digestParts['nonce']}:{$this->digestParts['nc']}:{$this->digestParts['cnonce']}:{$this->digestParts['qop']}:{$A2}");
 
-        return $this->digestParts['response'] == $validResponse;
+        return $this->digestParts['response'] === $validResponse;
     }
 
     /**
@@ -200,7 +197,7 @@ protected function parseDigest(string $digest)
         preg_match_all('@(\w+)=(?:(?:")([^"]+)"|([^\s,$]+))@', $digest, $matches, PREG_SET_ORDER);
 
         foreach ($matches as $m) {
-            $data[$m[1]] = $m[2] ? $m[2] : $m[3];
+            $data[$m[1]] = $m[2] ?: $m[3];
             unset($needed_parts[$m[1]]);
         }
 

lib/Client.php

@@ -96,14 +96,14 @@ public function send(RequestInterface $request): ResponseInterface
             try {
                 $response = $this->doRequest($request);
 
-                $code = (int) $response->getStatus();
+                $code = $response->getStatus();
 
                 // We are doing in-PHP redirects, because curl's
                 // FOLLOW_LOCATION throws errors when PHP is configured with
                 // open_basedir.
                 //
                 // https://github.com/fruux/sabre-http/issues/12
-                if (in_array($code, [301, 302, 307, 308]) && $redirects < $this->maxRedirects) {
+                if ($redirects < $this->maxRedirects && in_array($code, [301, 302, 307, 308])) {
                     $oldLocation = $request->getUrl();
 
                     // Creating a new instance of the request object.
@@ -196,7 +196,7 @@ public function poll(): bool
             );
 
             if ($status && CURLMSG_DONE === $status['msg']) {
-                $resourceId = intval($status['handle']);
+                $resourceId = (int) $status['handle'];
                 list(
                     $request,
                     $successCallback,
@@ -454,14 +454,14 @@ protected function parseCurlResult(string $response, $curlHandle): array
 
         foreach ($headerBlob as $header) {
             $parts = explode(':', $header, 2);
-            if (2 == count($parts)) {
+            if (2 === count($parts)) {
                 $response->addHeader(trim($parts[0]), trim($parts[1]));
             }
         }
 
         $response->setBody($responseBody);
 
-        $httpCode = intval($response->getStatus());
+        $httpCode = $response->getStatus();
 
         return [
             'status' => $httpCode >= 400 ? self::STATUS_HTTPERROR : self::STATUS_SUCCESS,
@@ -487,7 +487,7 @@ protected function sendAsyncInternal(RequestInterface $request, callable $succes
             $this->createCurlSettingsArray($request)
         );
         curl_multi_add_handle($this->curlMultiHandle, $curl);
-        $this->curlMultiMap[intval($curl)] = [
+        $this->curlMultiMap[(int) $curl] = [
             $request,
             $success,
             $error,

lib/Message.php

@@ -52,7 +52,7 @@ public function getBodyAsStream()
         if (is_callable($this->body)) {
             $body = $this->getBodyAsString();
         }
-        if (is_string($body) || is_null($body)) {
+        if (is_string($body) || null === $body) {
             $stream = fopen('php://temp', 'r+');
             fwrite($stream, (string) $body);
             rewind($stream);
@@ -75,7 +75,7 @@ public function getBodyAsString(): string
         if (is_string($body)) {
             return $body;
         }
-        if (is_null($body)) {
+        if (null === $body) {
             return '';
         }
         if (is_callable($body)) {
@@ -84,12 +84,15 @@ public function getBodyAsString(): string
 
             return ob_get_clean();
         }
+        /**
+         * @var string|int|null
+         */
         $contentLength = $this->getHeader('Content-Length');
         if (is_int($contentLength) || ctype_digit($contentLength)) {
             return stream_get_contents($body, (int) $contentLength);
-        } else {
-            return stream_get_contents($body);
         }
+
+        return stream_get_contents($body);
     }
 
     /**
@@ -220,7 +223,7 @@ public function setHeaders(array $headers)
      * another value. Individual values can be retrieved with
      * getHeadersAsArray.
      *
-     * @param scalar $value
+     * @param string|string[] $value
      */
     public function addHeader(string $name, $value)
     {

lib/MessageDecoratorTrait.php

@@ -157,7 +157,7 @@ public function setHeaders(array $headers)
      * another value. Individual values can be retrieved with
      * getHeadersAsArray.
      *
-     * @param scalar $value
+     * @param string|string[] $value
      */
     public function addHeader(string $name, $value)
     {

lib/MessageInterface.php

@@ -119,7 +119,7 @@ public function setHeaders(array $headers);
      * another value. Individual values can be retrieved with
      * getHeadersAsArray.
      *
-     * @param scalar $value
+     * @param string|string[] $value
      */
     public function addHeader(string $name, $value);
 

lib/Request.php

@@ -88,11 +88,11 @@ public function getQueryParameters(): array
         $url = $this->getUrl();
         if (false === ($index = strpos($url, '?'))) {
             return [];
-        } else {
-            parse_str(substr($url, $index + 1), $queryParams);
-
-            return $queryParams;
         }
+
+        parse_str(substr($url, $index + 1), $queryParams);
+
+        return $queryParams;
     }
 
     protected $absoluteUrl;
@@ -174,11 +174,12 @@ public function getPath(): string
 
             return trim(decodePath(substr($uri, strlen($baseUri))), '/');
         }
-        // A special case, if the baseUri was accessed without a trailing
-        // slash, we'll accept it as well.
-        elseif ($uri.'/' === $baseUri) {
+
+        if ($uri.'/' === $baseUri) {
             return '';
         }
+        // A special case, if the baseUri was accessed without a trailing
+        // slash, we'll accept it as well.
 
         throw new \LogicException('Requested uri ('.$this->getUrl().') is out of base uri ('.$this->getBaseUrl().')');
     }
@@ -229,9 +230,7 @@ public function getPostData(): array
      */
     public function getRawServerValue(string $valueName)
     {
-        if (isset($this->rawServerData[$valueName])) {
-            return $this->rawServerData[$valueName];
-        }
+        return $this->rawServerData[$valueName] ?? null;
     }
 
     /**
@@ -249,7 +248,7 @@ public function setRawServerData(array $data)
      */
     public function __toString(): string
     {
-        $out = $this->getMethod().' '.$this->getUrl().' HTTP/'.$this->getHTTPVersion()."\r\n";
+        $out = $this->getMethod().' '.$this->getUrl().' HTTP/'.$this->getHttpVersion()."\r\n";
 
         foreach ($this->getHeaders() as $key => $value) {
             foreach ($value as $v) {

lib/Response.php

@@ -105,13 +105,13 @@ class Response extends Message implements ResponseInterface
      */
     public function __construct($status = 500, array $headers = null, $body = null)
     {
-        if (!is_null($status)) {
+        if (null !== $status) {
             $this->setStatus($status);
         }
-        if (!is_null($headers)) {
+        if (null !== $headers) {
             $this->setHeaders($headers);
         }
-        if (!is_null($body)) {
+        if (null !== $body) {
             $this->setBody($body);
         }
     }
@@ -151,18 +151,19 @@ public function setStatus($status)
     {
         if (ctype_digit($status) || is_int($status)) {
             $statusCode = $status;
-            $statusText = isset(self::$statusCodes[$status]) ? self::$statusCodes[$status] : 'Unknown';
+            $statusText = self::$statusCodes[$status] ?? 'Unknown';
         } else {
             list(
                 $statusCode,
                 $statusText
             ) = explode(' ', $status, 2);
+            $statusCode = (int) $statusCode;
         }
         if ($statusCode < 100 || $statusCode > 999) {
             throw new \InvalidArgumentException('The HTTP status code must be exactly 3 digits');
         }
 
-        $this->status = (int) $statusCode;
+        $this->status = $statusCode;
         $this->statusText = $statusText;
     }
 

lib/Sapi.php

@@ -42,7 +42,7 @@ public static function getRequest(): Request
     {
         $serverArr = $_SERVER;
 
-        if ('cli' === php_sapi_name()) {
+        if ('cli' === PHP_SAPI) {
             // If we're running off the CLI, we're going to set some default
             // settings.
             $serverArr['REQUEST_URI'] = $_SERVER['REQUEST_URI'] ?? '/';
@@ -75,7 +75,7 @@ public static function sendResponse(ResponseInterface $response)
         }
 
         $body = $response->getBody();
-        if (is_null($body)) {
+        if (null === $body) {
             return;
         }
 
@@ -199,11 +199,11 @@ public static function createFromServerArray(array $serverArray): Request
             }
         }
 
-        if (is_null($url)) {
+        if (null === $url) {
             throw new InvalidArgumentException('The _SERVER array must have a REQUEST_URI key');
         }
 
-        if (is_null($method)) {
+        if (null === $method) {
             throw new InvalidArgumentException('The _SERVER array must have a REQUEST_METHOD key');
         }
         $r = new Request($method, $url, $headers);

lib/functions.php

@@ -138,7 +138,7 @@ function negotiateContentType($acceptHeaderValue, array $availableOptions)
 
     foreach ($proposals as $proposal) {
         // Ignoring broken values.
-        if (is_null($proposal)) {
+        if (null === $proposal) {
             continue;
         }