mb_strpos, strpos, strstr, etc., do not support Chinese, how to match Chinese?
$submit = "";
$item = "";
echo mb_strpos($submit, $item). "\n";
mb_strpos, strpos, strstr, etc., do not support Chinese, how to match Chinese?
$submit = "";
$item = "";
echo mb_strpos($submit, $item). "\n"; first of all, mb_strpos (string $haystack, string $needle) , it's obvious that your parameters are in the opposite position.
secondly, it supports mb_ prefix ( MultiByte ) security interception in Chinese, such as mb_substr, mb_strpos, mb_strstr.
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