Question about character segmentation

Question about character segmentation? To divide a string into two parts, the first word is the first part, and the rest is the second part. For example, UK tourism can be divided into UK + Country Tourism China Beijing and China + country Beijing for a simple method ------ solution ------------------ iconv_set_encoding (& quot; internal_encoding & quot;, & quot; what is GBK & quot?
To divide a string into two parts, the first word is the first part, and the rest is the second part.

For example, UK tourism is divided into UK + country tourism
China Beijing, which is divided into China + China Beijing

A simple method

------ Solution --------------------
Iconv_set_encoding ("internal_encoding", "GBK"); // specify the encoding when the encoding is required.

$ S = 'British Tour ';
Echo iconv_substr ($ s, 0, 1). '+'. iconv_substr ($ s, 1 );