Maintain backwards compatability + changelog

CodeSniffer/Reporting.php

@@ -174,7 +174,12 @@ public function cacheFileReport(PHP_CodeSniffer_File $phpcsFile, array $cliValue
             if ($output === null) {
                 // Using a temp file.
                 if (isset($this->_tmpFiles[$report]) === false) {
-                    $this->_tmpFiles[$report] = fopen(tempnam(sys_get_temp_dir(), 'phpcs'), 'w');
+                    if (function_exists('sys_get_temp_dir') === true) {
+                        // This is needed for HHVM support, but only available from 5.2.1.
+                        $this->_tmpFiles[$report] = fopen(tempnam(sys_get_temp_dir(), 'phpcs'), 'w');
+                    } else {
+                        $this->_tmpFiles[$report] = tmpfile();
+                    }
                 }
 
                 fwrite($this->_tmpFiles[$report], $generatedReport);
@@ -186,7 +191,7 @@ public function cacheFileReport(PHP_CodeSniffer_File $phpcsFile, array $cliValue
                 }
 
                 file_put_contents($output, $generatedReport, $flags);
-            }
+            }//end if
         }//end foreach
 
         if ($errorsShown === true) {

package.xml

@@ -30,6 +30,8 @@ http://pear.php.net/dtd/package-2.0.xsd">
   - PHPCBF now exists cleanly when there are no errors to fix
   - Added phpcbf.bat file for Windows
   - Verbose option no longer errors when using a phar file with a space in the path
+  - Fixed a reporting error when using HHVM
+    -- Thanks to Martins Sipenko for the patch
   - addFixableError() and addFixableWarning() now only return true if the fixer is enabled
     -- Saves checking ($phpcsFile->fixer->enabled === true) before every fix
   - Added addErrorOnLine() and addWarningOnLine() to add a non-fixable violation to a line at column 1