DB_eSession is a feature-packed PHP class that stores session data in a MySQL database rather than files. It is powerful, designed with security in mind, and is easy to utilize. The code contains lots of comments, and it comes with full documentation and examples of how to use the class including a basic authentication login/logout process. It includes member functions useful (to webmasters) for monitoring or viewing, deleting, and altering sessions validity for the case of locking one or more sessions upon detection of unauthorized use.
DM Performance Meter is intended for measuring the execution time of a script (or its parts). It measures the time taken to execute the part of a PHP script between specified start and end points. It also can measure the time of arbitrary checkpoints. It supports: setting multiple named check points; output measurement results as plain text, HTML comments, and HTML unordered lists; and logging results to CSV files.
The DNS Configuration class is used for maintaining BIND 8 zone files and named.conf files. It is useful for adding and removing zones to your name server as well as the manipulation of resource records within your zones. It is extremely fast and is capable of handling thousands of zones.
DataGrid Zend Framework is a way to easily create a datagrid from queries in your Zend Framework project. It is really easy to use: for example, $grid->from("clients"). It can perform CRUD operations seamlessly. It uses templates, performs joins, has advanced filters, does data validation and filtering (when performing CRUD operations), does automatic pagination, can add extra fields, can sort fields, and has many other features.
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.