SplPriorityQueue::insert Inserts an element in the queue by sifting it up &reftitle.description; public trueSplPriorityQueue::insert mixedvalue mixedpriority Insert value with the priority priority in the queue. &reftitle.parameters; value The value to insert. priority The associated priority. &reftitle.returnvalues; &return.true.always; &reftitle.changelog; &Version; &Description; 8.4.0 SplPriorityQueue::insert now has a tentative return of true.