diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 4dadc94..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,10 +0,0 @@
-language: php
-
-php:
-  - 5.3
-  - 5.4
-
-
-notifications:
-  email:
-    - arielferrandini@gmail.com
diff --git a/Urlizer.php b/Urlizer.php
index af7bf67..af5e0cb 100644
--- a/Urlizer.php
+++ b/Urlizer.php
@@ -221,13 +221,13 @@ public static function utf8ToAscii($str, $unknown = '?')
 
         foreach ($chars as $i => $c) {
             $ud = 0;
-            if (ord($c{0})>=0 && ord($c{0})<=127) { continue; } // ASCII - next please
-            if (ord($c{0})>=192 && ord($c{0})<=223) { $ord = (ord($c{0})-192)*64 + (ord($c{1})-128); }
-            if (ord($c{0})>=224 && ord($c{0})<=239) { $ord = (ord($c{0})-224)*4096 + (ord($c{1})-128)*64 + (ord($c{2})-128); }
-            if (ord($c{0})>=240 && ord($c{0})<=247) { $ord = (ord($c{0})-240)*262144 + (ord($c{1})-128)*4096 + (ord($c{2})-128)*64 + (ord($c{3})-128); }
-            if (ord($c{0})>=248 && ord($c{0})<=251) { $ord = (ord($c{0})-248)*16777216 + (ord($c{1})-128)*262144 + (ord($c{2})-128)*4096 + (ord($c{3})-128)*64 + (ord($c{4})-128); }
-            if (ord($c{0})>=252 && ord($c{0})<=253) { $ord = (ord($c{0})-252)*1073741824 + (ord($c{1})-128)*16777216 + (ord($c{2})-128)*262144 + (ord($c{3})-128)*4096 + (ord($c{4})-128)*64 + (ord($c{5})-128); }
-            if (ord($c{0})>=254 && ord($c{0})<=255) { $chars{$i} = $unknown; continue; } //error
+            if (ord($c[0])>=0 && ord($c[0])<=127) { continue; } // ASCII - next please
+            if (ord($c[0])>=192 && ord($c[0])<=223) { $ord = (ord($c[0])-192)*64 + (ord($c[1])-128); }
+            if (ord($c[0])>=224 && ord($c[0])<=239) { $ord = (ord($c[0])-224)*4096 + (ord($c[1])-128)*64 + (ord($c[2])-128); }
+            if (ord($c[0])>=240 && ord($c[0])<=247) { $ord = (ord($c[0])-240)*262144 + (ord($c[1])-128)*4096 + (ord($c[2])-128)*64 + (ord($c[3])-128); }
+            if (ord($c[0])>=248 && ord($c[0])<=251) { $ord = (ord($c[0])-248)*16777216 + (ord($c[1])-128)*262144 + (ord($c[2])-128)*4096 + (ord($c[3])-128)*64 + (ord($c[4])-128); }
+            if (ord($c[0])>=252 && ord($c[0])<=253) { $ord = (ord($c[0])-252)*1073741824 + (ord($c[1])-128)*16777216 + (ord($c[2])-128)*262144 + (ord($c[3])-128)*4096 + (ord($c[4])-128)*64 + (ord($c[5])-128); }
+            if (ord($c[0])>=254 && ord($c[0])<=255) { $chars[$i] = $unknown; continue; } //error
 
             $bank = $ord >> 8;
 
@@ -242,9 +242,9 @@ public static function utf8ToAscii($str, $unknown = '?')
 
             $newchar = $ord & 255;
             if (array_key_exists($newchar, $UTF8_TO_ASCII[$bank])) {
-                $chars{$i} = $UTF8_TO_ASCII[$bank][$newchar];
+                $chars[$i] = $UTF8_TO_ASCII[$bank][$newchar];
             } else {
-                $chars{$i} = $unknown;
+                $chars[$i] = $unknown;
             }
         }
 
@@ -297,7 +297,7 @@ public static function validUtf8($str)
 
         $len = strlen($str);
         for ($i = 0; $i < $len; $i++) {
-            $in = ord($str{$i});
+            $in = ord($str[$i]);
             if ($mState == 0) {
                 // When mState is zero we expect either a US-ASCII character or a
                 // multi-octet sequence.