I had the problem that showing â instead of » , amd when using this solution the problem solved but there is a php warning U+00e1 is the unicode hex value of the character latin small letter a with acute See these 3 typical problem scenarios that the chart can help with
Unicode characters table unicode character symbols table with escape sequences & html codes Code ··· c, javascript, json, java · css · html (decimal) · html (hex) · html (named) · perl · python · ruby · url escape code \ u00c2 ·· c, javascript. Mouse click on character to get code: