data-structures

Data structures for PHP written in PHP.

• Stack
• StackedList
• Set (HashSet)
• Map (HashMap, Dictionary)

Iterator chaining

All iterators have been extended to chaining and delayed execution.

$set = new \DataStructures\Set\Set();
$set->getIterator()
    ->filter(fn($value) => $value === 1)
    ->map(fn($value) => $value === 1)
    ->count(); // or all(), any().