Try mb_strpos() or mb_stripos() look at http://www.php.net/manual/en/function.mb-stripos.php
How to check is unicode char in str in PHP
Frage
I am very new in php and I would know php has function for evaluate specified unicode char exists in another string.
$str="Hello world";
echo *function*($str, "e") //print true
echo *function*($str, "y") //print false
Lösung
Andere Tipps
Use strpos for example which find the position of the first occurrence of a substring in a string
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