The following code is creating problem. \[code\]var_dump($name);$name = mb_strtolower($name);var_dump($name);\[/code\]Output is \[code\]string(32) "brazil and technology, S?o Paulo"string(32) "brazil and technology, s?o paulo"\[/code\]Can someone please explain why I am getting an invalid character for ?? What am I doing wrong here?\[code\]mb_detect_encoding($name) says its UTF-8\[/code\]
php mb_strtolower giving invalid character
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