Add simpler string replacement

CHANGELOG.md

@@ -7,6 +7,7 @@ This changelog references the changes contained in each release.
 
  * Removed "is" prefix from boolean methods
  * Updated to latest version of PHPUnit
+ * Added simpler string replacement to a method
 
 * **0.2.0**
 

src/HtmlRenderer.php

@@ -38,12 +38,14 @@ protected function escape($string, $preserveEntities = false)
         if ($preserveEntities) {
             $string = preg_replace('/[&](?![#](x[a-f0-9]{1,8}|[0-9]{1,8});|[a-z][a-z0-9]{1,31};)/i', '&', $string);
         } else {
-            $string = preg_replace('/[&]/', '&', $string);
+            $string = str_replace('&', '&', $string);
         }
 
-        $string = preg_replace('/[<]/', '&lt;', $string);
-        $string = preg_replace('/[>]/', '&gt;', $string);
-        $string = preg_replace('/["]/', '&quot;', $string);
+        $string = strtr($string, array(
+            '<' => '&lt;',
+            '>' => '&gt;',
+            '"' => '&quot;'
+        ));
 
         return $string;
     }