Converts a string to an array. If the optional
split_length parameter is specified, the
returned array will be broken down into chunks with each being
split_length in length, otherwise each chunk
will be one character in length.
FALSE is returned if
split_length is less
than 1. If the
split_length length exceeds the
string, the entire string is returned
as the first (and only) array element.
Example 1. Example uses of str_split()
Output may look like: