Removed unused variables in FunctionCommentSniff.php

Author: gy741

dev/tests/static/Magento/Sniffs/Commenting/FunctionCommentSniff.php

@@ -68,7 +68,7 @@ protected function processReturn(File $phpcsFile, $stackPtr, $commentStart)
                 $phpcsFile->addError($error, $return, 'MissingReturnType');
             } else {
                 // Support both a return type and a description.
-                $split = preg_match('`^((?:\|?(?:array\([^\)]*\)|[\\\\a-z0-9\[\]]+))*)( .*)?`i', $content, $returnParts);
+                preg_match('`^((?:\|?(?:array\([^\)]*\)|[\\\\a-z0-9\[\]]+))*)( .*)?`i', $content, $returnParts);
                 if (isset($returnParts[1]) === false) {
                     return;
                 }
@@ -78,7 +78,7 @@ protected function processReturn(File $phpcsFile, $stackPtr, $commentStart)
                 // Check return type (can be multiple, separated by '|').
                 $typeNames      = explode('|', $returnType);
                 $suggestedNames = array();
-                foreach ($typeNames as $i => $typeName) {
+                foreach ($typeNames as $typeName) {
                     $suggestedName = Common::suggestType($typeName);
                     if (in_array($suggestedName, $suggestedNames) === false) {
                         $suggestedNames[] = $suggestedName;
@@ -460,7 +460,7 @@ protected function processParams(File $phpcsFile, $stackPtr, $commentStart)
                     $phpcsFile->fixer->replaceToken(($param['tag'] + 2), $content);
 
                     // Fix up the indent of additional comment lines.
-                    foreach ($param['commentLines'] as $lineNum => $line) {
+                    foreach ($param['commentLines'] as $lineNum) {
                         if ($lineNum === 0
                             || $param['commentLines'][$lineNum]['indent'] === 0
                         ) {