return code as int

src/p3k/HTTP.php

@@ -78,7 +78,7 @@ class HTTP {
   }
 
   private static function _parse_headers($headers) {
-    $retVal = array();
+    $retVal = [];
     $fields = explode("\r\n", preg_replace('/\x0D\x0A[\x09\x20]+/', ' ', $headers));
     foreach($fields as $field) {
       if(preg_match('/([^:]+): (.+)/m', $field, $match)) {
@@ -91,7 +91,7 @@ class HTTP {
         }, strtolower(trim($match[1])));
         if(isset($retVal[$match[1]])) {
           if(!is_array($retVal[$match[1]]))
-            $retVal[$match[1]] = array($retVal[$match[1]]);
+            $retVal[$match[1]] = [$retVal[$match[1]]];
           $retVal[$match[1]][] = $match[2];
         } else {
           $retVal[$match[1]] = trim($match[2]);

src/p3k/HTTP/Curl.php

@@ -22,7 +22,7 @@ class Curl implements Transport {
     $response = curl_exec($ch);
     $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
     $header_str = trim(substr($response, 0, $header_size));
-    return array(
+    return [
       'code' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
       'header' => $header_str,
       'body' => substr($response, $header_size),
@@ -30,7 +30,7 @@ class Curl implements Transport {
       'error_description' => curl_error($ch),
       'url' => curl_getinfo($ch, CURLINFO_EFFECTIVE_URL),
       'debug' => $response
-    );
+    ];
   }
 
   public function post($url, $body, $headers=[]) {
@@ -43,7 +43,7 @@ class Curl implements Transport {
     $response = curl_exec($ch);
     $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
     $header_str = trim(substr($response, 0, $header_size));
-    return array(
+    return [
       'code' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
       'header' => $header_str,
       'body' => substr($response, $header_size),
@@ -51,7 +51,7 @@ class Curl implements Transport {
       'error_description' => curl_error($ch),
       'url' => curl_getinfo($ch, CURLINFO_EFFECTIVE_URL),
       'debug' => $response
-    );
+    ];
   }
 
   public function head($url, $headers=[]) {
@@ -61,14 +61,14 @@ class Curl implements Transport {
       curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
     curl_setopt($ch, CURLOPT_NOBODY, true);
     $response = curl_exec($ch);
-    return array(
+    return [
       'code' => curl_getinfo($ch, CURLINFO_HTTP_CODE),
       'header' => trim($response),
       'error' => self::error_string_from_code(curl_errno($ch)),
       'error_description' => curl_error($ch),
       'url' => curl_getinfo($ch, CURLINFO_EFFECTIVE_URL),
       'debug' => $response
-    );
+    ];
   }
 
   private function _set_curlopts($ch, $url) {

src/p3k/HTTP/Stream.php

@@ -72,14 +72,14 @@ class Stream implements Transport {
       ];
     }
 
-    return array(
+    return [
       'code' => self::parse_response_code($http_response_header),
       'header' => implode("\r\n", $http_response_header),
       'body' => $body,
       'error' => $error ? $error['code'] : false,
       'error_description' => $error ? $error['description'] : false,
       'url' => $url,
-    );
+    ];
   }
 
   private function _stream_context($method, $url, $body=false, $headers=[]) {
@@ -115,7 +115,7 @@ class Stream implements Transport {
         $code = $match[1];
       }
     }    
-    return $code;
+    return (int)$code;
   }
 
 }

src/p3k/HTTP/Test.php

@@ -43,14 +43,14 @@ class Test implements Transport {
 
   public function head($url, $headers=[]) {
     $response = $this->_read_file($url);
-    return array(
-      'code' => $response['code'],
+    return [
+      'code' => (int)$response['code'],
       'headers' => $response['headers'],
       'rels' => $response['rels'],
       'error' => '',
       'error_description' => '',
       'url' => $response['url']
-    );
+    ];
   }
 
   private function _read_file($url) {
@@ -100,19 +100,19 @@ class Test implements Transport {
       $effectiveUrl = $url;
     }
 
-    return array(
-      'code' => $code,
+    return [
+      'code' => (int)$code,
       'headers' => $parsedHeaders,
       'rels' => \IndieWeb\http_rels($headers),
       'body' => $body,
       'error' => (isset($parsedHeaders['X-Test-Error']) ? $parsedHeaders['X-Test-Error'] : ''),
       'error_description' => '',
       'url' => $effectiveUrl
-    );
+    ];
   }
 
   private static function _parse_headers($headers) {
-    $retVal = array();
+    $retVal = [];
     $fields = explode("\r\n", preg_replace('/\x0D\x0A[\x09\x20]+/', ' ', $headers));
     foreach($fields as $field) {
       if(preg_match('/([^:]+): (.+)/m', $field, $match)) {
@@ -125,7 +125,7 @@ class Test implements Transport {
         }, strtolower(trim($match[1])));
         if(isset($retVal[$match[1]])) {
           if(!is_array($retVal[$match[1]]))
-            $retVal[$match[1]] = array($retVal[$match[1]]);
+            $retVal[$match[1]] = [$retVal[$match[1]]];
           $retVal[$match[1]][] = $match[2];
         } else {
           $retVal[$match[1]] = trim($match[2]);