A workaround for the missing php enum type
Provides functionality that helps writing PHP code that has runtime-specific (PHP / HHVM) execution paths
Provides the functionality to export PHP variables for visualization
Provides functionality to recursively process PHP variables
Provides the functionality to compare PHP values for equality.
Traverses array structures and object graphs to enumerate all referenced objects
Snapshotting of global state, factored out of PHPUnit into a stand-alone component
Create deep copies (clones) of your objects