Issue #94 UTF8Utils::countChars() - extra bad perfomance with iconv_strlen()

Author: Alexander

src/HTML5/Parser/UTF8Utils.php

@@ -50,6 +50,8 @@ public static function countChars($string)
         // Get the length for the string we need.
         if (function_exists('mb_strlen')) {
             return mb_strlen($string, 'utf-8');
+        } elseif (function_exists('iconv_strlen')) {
+            return iconv_strlen($string, 'utf-8');
         } elseif (function_exists('utf8_decode')) {
             // MPB: Will this work? Won't certain decodes lead to two chars
             // extrapolated out of 2-byte chars?