PHP: Convert html-entity-encoded uppercase character to lowercase

Question

How can I convert the upper-case html entity characters to their lowercase?

$str = "É"; //É

$res = strtolower( $str );

echo $res;

http://codepad.viper-7.com/Zf3RTe

Answer 1

Just use the right function for it:

$strLower = mb_strtolower($str, 'HTML-ENTITIES');

The PHP Multibyte String extension^Docs has an encoding for HTML entities (See list of all supported encodings^Docs).