symfony
diff --git a/‎src/Symfony/Component/Process/Pipes/WindowsPipes.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Process/Pipes/WindowsPipes.php
+16-20Lines changed: 16 additions & 20 deletions b/‎src/Symfony/Component/Process/Pipes/WindowsPipes.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Process/Pipes/WindowsPipes.php
+16-20Lines changed: 16 additions & 20 deletions
@@ -47,14 +47,24 @@ public function __construct($disableOutput, $input)
             // Workaround for this problem is to use temporary files instead of pipes on Windows platform.
             //
             // @see https://bugs.php.net/bug.php?id=51800
-            $this->files = array(
-                Process::STDOUT => tempnam(sys_get_temp_dir(), 'out_sf_proc'),
-                Process::STDERR => tempnam(sys_get_temp_dir(), 'err_sf_proc'),
+            $pipes = array(
+                Process::STDOUT => Process::OUT,
+                Process::STDERR => Process::ERR,
             );
-            foreach ($this->files as $offset => $file) {
-                if (false === $file || false === $this->fileHandles[$offset] = @fopen($file, 'rb')) {
-                    throw new RuntimeException('A temporary file could not be opened to write the process output to, verify that your TEMP environment variable is writable');
+            $tmpDir = sys_get_temp_dir();
+            if (false === @fopen($tmpDir.'\\sf_proc_00.check', 'wb')) {
+                throw new RuntimeException('A temporary file could not be opened to write the process output to, verify that your TEMP environment variable is writable');
+            }
+            for ($i = 0;; ++$i) {
+                foreach ($pipes as $pipe => $name) {
+                    @unlink($file = sprintf('%s\\sf_proc_%02X.%s', $tmpDir, $i, $name));
+                    $h = @fopen($file, 'xb');
+                    if (!$h || !$this->fileHandles[$pipe] = fopen($file, 'rb')) {
+                        continue 2;
+                    }
+                    $this->files[$pipe] = $file;
                 }
+                break;
             }
         }
 
@@ -64,7 +74,6 @@ public function __construct($disableOutput, $input)
     public function __destruct()
     {
         $this->close();
-        $this->removeFiles();
     }
 
     /**
@@ -164,17 +173,4 @@ public static function create(Process $process, $input)
     {
         return new static($process->isOutputDisabled(), $input);
     }
-
-    /**
-     * Removes temporary files.
-     */
-    private function removeFiles()
-    {
-        foreach ($this->files as $filename) {
-            if (file_exists($filename)) {
-                @unlink($filename);
-            }
-        }
-        $this->files = array();
-    }
 }