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racl101 : multibyte   4

PHP: mb_detect_encoding - Manual
This appears to work. Useful to detect if the string passed to it is a valid UTF8 encoded string.
php  manual  function  mb  multi  byte  multibyte  mb_detect_encoding  character  encoding  detect  utf8  guide  reference  documentation 
may 2018 by racl101
PHP: mb_substr - Manual
If you have problems printing substrings of strings containing accented characters (e.g. é ) and they come out looking like black diamonds, you are probably using substr and should be using mb_substr instead.
SUBSTRING  mb_substr  Function  PHP  encoding  Reference  Guide  character  multibyte 
may 2013 by racl101

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