Collection
The collection class provides a nicer interface around arrays of arrays or objects, with advanced filters, sorting, navigation and more.
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      new Collection()
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      $collection->append()
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      $collection->chunk()
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      $collection->clone()
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      $collection->count()
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      $collection->current()
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      $collection->data()
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      $collection->empty()
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      $collection->extend()
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      $collection->filter()
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      $collection->filterBy()
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      $collection->find()
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      $collection->findBy()
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      $collection->findByKey()
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      $collection->first()
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      $collection->flip()
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      $collection->get()
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      $collection->getAttribute()
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      $collection->getIterator()
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      $collection->group()
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      $collection->groupBy()
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      $collection->has()
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      $collection->indexOf()
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      $collection->intersection()
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      $collection->intersects()
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      $collection->isEmpty()
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      $collection->isEven()
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      $collection->isNotEmpty()
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      $collection->isOdd()
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      $collection->key()
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      $collection->keyOf()
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      $collection->keys()
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      $collection->last()
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      $collection->limit()
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      $collection->map()
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      $collection->next()
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      $collection->not()
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      $collection->nth()
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      $collection->offset()
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      $collection->paginate()
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      $collection->pagination()
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      $collection->pluck()
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      $collection->prepend()
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      $collection->prev()
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      $collection->query()
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      $collection->random()
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      $collection->remove()
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      $collection->rewind()
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      $collection->set()
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      $collection->shuffle()
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      $collection->slice()
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      $collection->sort()
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      Collection::sortArgs()
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      $collection->sortBy()
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      $collection->toArray()
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      $collection->toJson()
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      $collection->toString()
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      $collection->valid()
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      $collection->values()
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      $collection->when()
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      $collection->without()