chunk_split Split a string into smaller chunks &reftitle.description; stringchunk_split stringstring intlength76 stringseparator"\r\n" Can be used to split a string into smaller chunks which is useful for e.g. converting base64_encode output to match RFC 2045 semantics. It inserts separator every length characters. &reftitle.parameters; string The string to be chunked. length The chunk length. separator The line ending sequence. &reftitle.returnvalues; Returns the chunked string. &reftitle.examples; ]]> &reftitle.seealso; str_split explode wordwrap RFC 2045