A set of abstractions extracted out of the Symfony components
Utility class for timing
Provides enumerations for PHP & frameworks integrations
PHP version of Google's phone number handling library
The DependencyInjection component allows you to standardize and centralize the way objects are constructed in your application.
The PropertyAccess component provides function to read and write from/to an object or array using a simple string notation.
With the Serializer component it's possible to handle serializing data structures, including object graphs, into array structures or other formats like XML and JSON. It can also handle deserializing XML and JSON back to object graphs.
The Process component executes commands in sub-processes.
Portable UTF-8 library - performance optimized (unicode) string functions for php.
The VarDumper component provides mechanisms for walking through any arbitrary PHP variable. It provides a better dump() function that you can use instead of var_dump().