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<?php |
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namespace Guillermoandrae\Common; |
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final class Collection extends AbstractAggregate implements CollectionInterface |
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{ |
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public static function make(array $items = []): CollectionInterface |
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{ |
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return new static($items); |
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} |
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public function all(): array |
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{ |
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return $this->items; |
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} |
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public function first() |
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{ |
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return $this->items[0]; |
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} |
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public function last() |
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{ |
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$array = array_reverse($this->items); |
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return $array[0]; |
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} |
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public function random() |
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{ |
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$key = array_rand($this->items); |
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return $this->get($key); |
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} |
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public function sortBy(string $fieldName): CollectionInterface |
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{ |
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$results = $this->items; |
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usort($results, function ($item1, $item2) use ($fieldName) { |
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return $item1[$fieldName] <=> $item2[$fieldName]; |
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}); |
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return new static($results); |
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} |
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public function count(): int |
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{ |
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return count($this->items); |
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} |
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public function isEmpty(): bool |
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{ |
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return empty($this->items); |
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} |
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public function shuffle(): CollectionInterface |
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{ |
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$items = $this->items; |
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shuffle($items); |
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return new static($items); |
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} |
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public function limit(int $offset = 0, int $limit = null): CollectionInterface |
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{ |
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return new static(array_slice($this->items, $offset, $limit)); |
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} |
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public function filter(callable $callback): CollectionInterface |
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{ |
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return new static(array_filter($this->items, $callback)); |
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} |
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public function map(callable $callback): CollectionInterface |
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{ |
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return new static(array_map($callback, $this->items)); |
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} |
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public function toArray(): array |
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{ |
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return array_map(function ($value) { |
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return $value instanceof ArrayableInterface ? $value->toArray() : $value; |
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}, $this->items); |
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} |
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public function toJson(): string |
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{ |
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return json_encode($this->toArray()); |
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} |
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public function __toString(): string |
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{ |
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return $this->toJson(); |
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} |
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} |
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guillermoandrae /
php-collection
