vTemplate is a PHP class that is intended to make splitting PHP from HTML a simple and natural task. It has easily understandable syntax that is much easier to use than other template classes. It compiles a template into native PHP code using one PCRE call, thus the parsing is extremely fast. It also has powerful caching and debugging classes to extend the functionality.
The PHP Assertion Unit Framework (phpAssertUnit) is a unit testing framework based on assertions which helps PHP developers test their code. Failing assertions about the program state are tracked in a Reporter window of a DOM-compliant browser such as IE5+, Mozilla, Netscape 6+, etc. The reporting of failures or warning messages does not disturb the running script, allowing easy Web GUI testing.
Phormation is a set of PHP functions which provide a framework for developing any HTML form connected to a database backend (currently PostgreSQL, MySQL, and ODBC are supported). It allows you to write and make use of reusable widgets so you can develop Web sites more quickly. Phormation has more than 10 widgets including text field, date, file upload, and foreign key select, and is easily extensible. It has good documentation.
Database access class is a PHP class for interchanging data between databases and forms. Features include inserting a new row into a database table with data from forms, loading form fields from database table row, updating database table rows from form fields., deleting database table rows with criteria defined by values from form field, building list in an array suitable for defining "select" type form fields from specified database table values. and database independent support for the data types of fields: TEXT, INTEGER, BOOLEAN, FLOAT, DATE, TIME, and TIMESTAMP.
PHP::HTML is a set of PHP classes to abstract HTML and simplify complex Web application development. Reusable widgets can be based on the abstract classes which include a text-only class, text which marked-up with HTML, and a tag which contains multiple "children". PHP::HTML is currently in active development to make it cleaner, and to add support for CSS and support for "emulation" that will create HTML 3.2 documents for browser compatibility.