diff --git a/src/Reader/Entry/Rss.php b/src/Reader/Entry/Rss.php
index 1e34fc83..9cfb7111 100644
--- a/src/Reader/Entry/Rss.php
+++ b/src/Reader/Entry/Rss.php
@@ -97,9 +97,9 @@ public function getAuthors()
         }
 
         $authors = array();
-        $authors_dc = $this->getExtension('DublinCore')->getAuthors();
-        if (!empty($authors_dc)) {
-            foreach ($authors_dc as $author) {
+        $authorsDc = $this->getExtension('DublinCore')->getAuthors();
+        if (!empty($authorsDc)) {
+            foreach ($authorsDc as $author) {
                 $authors[] = array(
                     'name' => $author['name']
                 );
diff --git a/src/Reader/Feed/Rss.php b/src/Reader/Feed/Rss.php
index 4e80e273..978d22f9 100644
--- a/src/Reader/Feed/Rss.php
+++ b/src/Reader/Feed/Rss.php
@@ -88,9 +88,9 @@ public function getAuthors()
         }
 
         $authors = array();
-        $authors_dc = $this->getExtension('DublinCore')->getAuthors();
-        if (!empty($authors_dc)) {
-            foreach ($authors_dc as $author) {
+        $authorsDc = $this->getExtension('DublinCore')->getAuthors();
+        if (!empty($authorsDc)) {
+            foreach ($authorsDc as $author) {
                 $authors[] = array(
                     'name' => $author['name']
                 );
diff --git a/src/Reader/Reader.php b/src/Reader/Reader.php
index c2075ed4..2b71781c 100644
--- a/src/Reader/Reader.php
+++ b/src/Reader/Reader.php
@@ -269,7 +269,7 @@ public static function import($uri, $etag = null, $lastModified = null)
      */
     public static function importString($string)
     {
-        $libxml_errflag = libxml_use_internal_errors(true);
+        $libxmlErrflag = libxml_use_internal_errors(true);
         $oldValue = libxml_disable_entity_loader(true);
         $dom = new DOMDocument;
         $status = $dom->loadXML(trim($string));
@@ -281,7 +281,7 @@ public static function importString($string)
             }
         }
         libxml_disable_entity_loader($oldValue);
-        libxml_use_internal_errors($libxml_errflag);
+        libxml_use_internal_errors($libxmlErrflag);
 
         if (!$status) {
             // Build error message
@@ -346,12 +346,12 @@ public static function findFeedLinks($uri)
             throw new Exception\RuntimeException("Failed to access $uri, got response code " . $response->getStatusCode());
         }
         $responseHtml = $response->getBody();
-        $libxml_errflag = libxml_use_internal_errors(true);
+        $libxmlErrflag = libxml_use_internal_errors(true);
         $oldValue = libxml_disable_entity_loader(true);
         $dom = new DOMDocument;
         $status = $dom->loadHTML(trim($responseHtml));
         libxml_disable_entity_loader($oldValue);
-        libxml_use_internal_errors($libxml_errflag);
+        libxml_use_internal_errors($libxmlErrflag);
         if (!$status) {
             // Build error message
             $error = libxml_get_last_error();
@@ -401,14 +401,14 @@ public static function detectType($feed, $specOnly = false)
             ini_restore('track_errors');
             ErrorHandler::stop();
             if (!$status) {
-                if (!isset($php_errormsg)) {
+                if (!isset($phpErrormsg)) {
                     if (function_exists('xdebug_is_enabled')) {
-                        $php_errormsg = '(error message not available, when XDebug is running)';
+                        $phpErrormsg = '(error message not available, when XDebug is running)';
                     } else {
-                        $php_errormsg = '(error message not available)';
+                        $phpErrormsg = '(error message not available)';
                     }
                 }
-                throw new Exception\RuntimeException("DOMDocument cannot parse XML: $php_errormsg");
+                throw new Exception\RuntimeException("DOMDocument cannot parse XML: $phpErrormsg");
             }
         } else {
             throw new Exception\InvalidArgumentException('Invalid object/scalar provided: must'