Read and write Rich Text Format (RTF) documents with PHP.

Stream a very large text file or string character-by-character (multi-byte safe).

Chunk a very large file or string with PHP (multi-byte safe).

Static classes to help with PHP strings, numbers, arrays, files/directories, and bools

The PHP SDK for Jahuty's API.

Compare United States Postal Service (USPS) addresses with PHP.