IPHPDebugConstants.PHP_Project, (String) null);
if (projectName != null) {
IProject project = ResourcesPlugin.getWorkspace().getRoot()
.getProject(projectName);
// Search in specific project only
sourceContainer = new PHPCompositeSourceContainer(project,
configuration);
} else {
// Search in the Workspace Root
sourceContainer = new WorkspaceRootSourceContainer();
}