src/helpers/StringHelper.php
public static function charAt(string $str, int $i): string
    {
        return (string)BaseStringy::create($str)->at($i);
    }
public static function charAt(string $str, int $i): string
    {
        return (string)BaseStringy::create($str)->at($i);
    }
public static function charAt ( string $ str , int $ i ) : string { return ( string ) BaseStringy :: create ( $ str ) -> at ( $ i ) ; }
Returns the character at a specific point in a potentially multibyte string.

@param string $str The string to check.
@param int $i The 0-offset position in the string to check.
@return string
Returns the character at a specific point in a potentially multibyte string .