updated-packages

vendor/guzzlehttp/psr7/src/PumpStream.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace GuzzleHttp\Psr7;
 
 use Psr\Http\Message\StreamInterface;
@@ -12,6 +13,8 @@ use Psr\Http\Message\StreamInterface;
  * returned by the provided callable is buffered internally until drained using
  * the read() function of the PumpStream. The provided callable MUST return
  * false when there is no more data to read.
+ *
+ * @final
  */
 class PumpStream implements StreamInterface
 {
@@ -31,14 +34,14 @@ class PumpStream implements StreamInterface
     private $buffer;
 
     /**
-     * @param callable $source Source of the stream data. The callable MAY
-     *                         accept an integer argument used to control the
-     *                         amount of data to return. The callable MUST
-     *                         return a string when called, or false on error
-     *                         or EOF.
-     * @param array $options   Stream options:
-     *                         - metadata: Hash of metadata to use with stream.
-     *                         - size: Size of the stream, if known.
+     * @param callable $source  Source of the stream data. The callable MAY
+     *                          accept an integer argument used to control the
+     *                          amount of data to return. The callable MUST
+     *                          return a string when called, or false on error
+     *                          or EOF.
+     * @param array    $options Stream options:
+     *                          - metadata: Hash of metadata to use with stream.
+     *                          - size: Size of the stream, if known.
      */
     public function __construct(callable $source, array $options = [])
     {
@@ -51,7 +54,7 @@ class PumpStream implements StreamInterface
     public function __toString()
     {
         try {
-            return copy_to_string($this);
+            return Utils::copyToString($this);
         } catch (\Exception $e) {
             return '';
         }
@@ -66,6 +69,8 @@ class PumpStream implements StreamInterface
     {
         $this->tellPos = false;
         $this->source = null;
+
+        return null;
     }
 
     public function getSize()