Syncs interfaces with proposal

src/IncomingRequestInterface.php

@@ -23,7 +23,7 @@ interface IncomingRequestInterface extends RequestInterface
      *
      * The return value can be either an array or an object that acts like
      * an array (e.g., implements ArrayAccess, or an ArrayObject).
-     * 
+     *
      * @return array|\ArrayAccess
      */
     public function getCookieParams();
@@ -39,9 +39,9 @@ public function getCookieParams();
      *
      * The value provided should be an array or array-like object
      * (e.g., implements ArrayAccess, or an ArrayObject).
-     * 
+     *
      * @param array|\ArrayAccess $cookies Cookie values/structs
-     * 
+     *
      * @return void
      */
     public function setCookieParams($cookies);
@@ -57,7 +57,7 @@ public function setCookieParams($cookies);
      *
      * The return value can be either an array or an object that acts like
      * an array (e.g., implements ArrayAccess, or an ArrayObject).
-     * 
+     *
      * @return array
      */
     public function getQueryParams();
@@ -74,7 +74,7 @@ public function getQueryParams();
      *
      * The return value can be either an array or an object that acts like
      * an array (e.g., implements ArrayAccess, or an ArrayObject).
-     * 
+     *
      * @return array Upload file(s) metadata, if any.
      */
     public function getFileParams();
@@ -88,7 +88,7 @@ public function getFileParams();
      *
      * In other cases, the parent getBody() method should be used to retrieve
      * the body content.
-     * 
+     *
      * @return array|object The deserialized body parameters, if any. These may
      *                      be either an array or an object, though an array or
      *                      array-like object is recommended.
@@ -101,7 +101,7 @@ public function getBodyParams();
      * If the body content can be deserialized, the values obtained may then
      * be injected into the response using this method. This method will
      * typically be invoked by a factory marshaling request parameters.
-     * 
+     *
      * @param array|object $values The deserialized body parameters, if any.
      *                             These may be either an array or an object,
      *                             though an array or array-like object is
@@ -128,7 +128,7 @@ public function getPathParams();
      * If a router or similar is used to match against the path and/or request,
      * this method can be used to inject the request with the results, so long
      * as those results can be represented as an array or array-like object.
-     * 
+     *
      * @param array|\ArrayAccess $values Path parameters matched by routing
      *
      * @return void

src/MessageInterface.php

@@ -106,7 +106,9 @@ public function getHeaderAsArray($header);
      * or an array of strings.
      *
      * @param string $header Header name
-     * @param string|string[] $value  Header value(s)
+     * @param string|string[]|object|object[] $value Header value(s). Values may 
+     *                                               be objects as long as they
+     *                                               can be cast to strings.
      *
      * @return void
      */
@@ -115,8 +117,9 @@ public function setHeader($header, $value);
     /**
      * Sets headers, replacing any headers that have already been set on the message.
      *
-     * The array keys MUST be a string. The array values must be either a
-     * string or an array of strings.
+     * The array keys MUST be a string. Each array value MUST be either a string
+     * or object, or array of strings and/or objects; any object used as a
+     * header value MUST be able to be cast to a string.
      *
      * @param array $headers Headers to set.
      *
@@ -131,7 +134,8 @@ public function setHeaders(array $headers);
      * value will be appended to the existing list.
      *
      * @param string $header Header name to add
-     * @param string $value  Value of the header
+     * @param string|object $value Value of the header; object is allowed if it
+     *                             can be cast to a string.
      *
      * @return void
      */
@@ -141,7 +145,10 @@ public function addHeader($header, $value);
      * Merges in an associative array of headers.
      *
      * Each array key MUST be a string representing the case-insensitive name
-     * of a header. Each value MUST be either a string or an array of strings.
+     * of a header. Each value MUST be either a string or object, or array of
+     * strings and/or objects; any object used as a header value MUST be able
+     * to be cast to a string.
+     *
      * For each value, the value is appended to any existing header of the same
      * name, or, if a header does not already exist by the given name, then the
      * header is added.

src/StreamableInterface.php

@@ -3,7 +3,11 @@
 namespace Psr\Http\Message;
 
 /**
- * Describes a stream instance.
+ * Describes streamable content.
+ *
+ * Typically, an instance will wrap a PHP stream; this interface provides
+ * a wrapper around the most common operations, including serialization of
+ * the entire stream to a string.
  */
 interface StreamableInterface
 {