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<?php |
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namespace IlluminateAgnostic\Arr\Support; |
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use stdClass; |
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use Countable; |
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use Exception; |
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use ArrayAccess; |
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use Traversable; |
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use ArrayIterator; |
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use CachingIterator; |
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use JsonSerializable; |
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use IteratorAggregate; |
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use IlluminateAgnostic\Arr\Support\Debug\Dumper; |
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use IlluminateAgnostic\Arr\Support\Traits\Macroable; |
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use IlluminateAgnostic\Arr\Contracts\Support\Jsonable; |
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use IlluminateAgnostic\Arr\Contracts\Support\Arrayable; |
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class Collection implements ArrayAccess, Arrayable, Countable, IteratorAggregate, Jsonable, JsonSerializable |
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{ |
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use Macroable; |
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/** |
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* The items contained in the collection. |
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* |
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* @var array |
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*/ |
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protected $items = []; |
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/** |
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* The methods that can be proxied. |
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* |
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* @var array |
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*/ |
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protected static $proxies = [ |
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'average', 'avg', 'contains', 'each', 'every', 'filter', 'first', 'flatMap', |
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'keyBy', 'map', 'partition', 'reject', 'sortBy', 'sortByDesc', 'sum', 'unique', |
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]; |
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/** |
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* Create a new collection. |
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* |
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* @param mixed $items |
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* @return void |
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*/ |
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public function __construct($items = []) |
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{ |
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$this->items = $this->getArrayableItems($items); |
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} |
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/** |
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* Create a new collection instance if the value isn't one already. |
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* |
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* @param mixed $items |
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* @return static |
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*/ |
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public static function make($items = []) |
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{ |
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return new static($items); |
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} |
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/** |
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* Wrap the given value in a collection if applicable. |
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* |
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* @param mixed $value |
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* @return static |
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*/ |
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public static function wrap($value) |
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{ |
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return $value instanceof self |
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? new static($value) |
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: new static(Arr::wrap($value)); |
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} |
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/** |
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* Get the underlying items from the given collection if applicable. |
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* |
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* @param array|static $value |
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* @return array |
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*/ |
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public static function unwrap($value) |
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{ |
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return $value instanceof self ? $value->all() : $value; |
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} |
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/** |
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* Create a new collection by invoking the callback a given amount of times. |
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* |
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* @param int $number |
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* @param callable $callback |
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* @return static |
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*/ |
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public static function times($number, callable $callback = null) |
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{ |
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if ($number < 1) { |
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return new static; |
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} |
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if (is_null($callback)) { |
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return new static(range(1, $number)); |
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} |
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return (new static(range(1, $number)))->map($callback); |
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} |
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/** |
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* Get all of the items in the collection. |
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* |
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* @return array |
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*/ |
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public function all() |
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{ |
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return $this->items; |
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} |
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/** |
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* Get the average value of a given key. |
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* |
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* @param callable|string|null $callback |
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* @return mixed |
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*/ |
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public function avg($callback = null) |
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{ |
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if ($count = $this->count()) { |
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return $this->sum($callback) / $count; |
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} |
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} |
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/** |
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* Alias for the "avg" method. |
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* |
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* @param callable|string|null $callback |
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* @return mixed |
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*/ |
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public function average($callback = null) |
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{ |
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return $this->avg($callback); |
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} |
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/** |
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* Get the median of a given key. |
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* |
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* @param null $key |
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* @return mixed |
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*/ |
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public function median($key = null) |
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{ |
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$count = $this->count(); |
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if ($count == 0) { |
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return; |
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} |
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$values = (isset($key) ? $this->pluck($key) : $this) |
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->sort()->values(); |
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$middle = (int) ($count / 2); |
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if ($count % 2) { |
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return $values->get($middle); |
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} |
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return (new static([ |
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$values->get($middle - 1), $values->get($middle), |
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]))->average(); |
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} |
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/** |
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* Get the mode of a given key. |
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* |
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* @param mixed $key |
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* @return array|null |
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*/ |
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public function mode($key = null) |
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{ |
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$count = $this->count(); |
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if ($count == 0) { |
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return; |
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} |
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$collection = isset($key) ? $this->pluck($key) : $this; |
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$counts = new self; |
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$collection->each(function ($value) use ($counts) { |
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$counts[$value] = isset($counts[$value]) ? $counts[$value] + 1 : 1; |
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}); |
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$sorted = $counts->sort(); |
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$highestValue = $sorted->last(); |
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return $sorted->filter(function ($value) use ($highestValue) { |
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return $value == $highestValue; |
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})->sort()->keys()->all(); |
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} |
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/** |
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* Collapse the collection of items into a single array. |
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* |
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* @return static |
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*/ |
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public function collapse() |
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{ |
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return new static(Arr::collapse($this->items)); |
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} |
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/** |
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* Determine if an item exists in the collection. |
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* |
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* @param mixed $key |
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* @param mixed $operator |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function contains($key, $operator = null, $value = null) |
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{ |
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if (func_num_args() == 1) { |
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if ($this->useAsCallable($key)) { |
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$placeholder = new stdClass; |
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return $this->first($key, $placeholder) !== $placeholder; |
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} |
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return in_array($key, $this->items); |
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} |
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return $this->contains($this->operatorForWhere(...func_get_args())); |
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} |
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/** |
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* Determine if an item exists in the collection using strict comparison. |
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* |
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* @param mixed $key |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function containsStrict($key, $value = null) |
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{ |
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if (func_num_args() == 2) { |
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return $this->contains(function ($item) use ($key, $value) { |
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return data_get($item, $key) === $value; |
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}); |
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} |
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if ($this->useAsCallable($key)) { |
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return ! is_null($this->first($key)); |
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} |
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return in_array($key, $this->items, true); |
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} |
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/** |
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* Cross join with the given lists, returning all possible permutations. |
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* |
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* @param mixed ...$lists |
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* @return static |
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*/ |
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public function crossJoin(...$lists) |
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{ |
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return new static(Arr::crossJoin( |
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$this->items, ...array_map([$this, 'getArrayableItems'], $lists) |
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)); |
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} |
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/** |
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* Dump the collection and end the script. |
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* |
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* @return void |
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*/ |
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public function dd(...$args) |
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{ |
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http_response_code(500); |
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call_user_func_array([$this, 'dump'], $args); |
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die(1); |
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} |
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/** |
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* Dump the collection. |
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* |
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* @return $this |
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*/ |
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public function dump() |
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{ |
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(new static(func_get_args())) |
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->push($this) |
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->each(function ($item) { |
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(new Dumper)->dump($item); |
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}); |
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return $this; |
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} |
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/** |
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* Get the items in the collection that are not present in the given items. |
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* |
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* @param mixed $items |
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* @return static |
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*/ |
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public function diff($items) |
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{ |
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return new static(array_diff($this->items, $this->getArrayableItems($items))); |
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} |
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/** |
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* Get the items in the collection whose keys and values are not present in the given items. |
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* |
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* @param mixed $items |
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* @return static |
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*/ |
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public function diffAssoc($items) |
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{ |
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return new static(array_diff_assoc($this->items, $this->getArrayableItems($items))); |
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} |
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/** |
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* Get the items in the collection whose keys are not present in the given items. |
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* |
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* @param mixed $items |
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* @return static |
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*/ |
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public function diffKeys($items) |
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{ |
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return new static(array_diff_key($this->items, $this->getArrayableItems($items))); |
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} |
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/** |
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* Execute a callback over each item. |
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* |
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* @param callable $callback |
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* @return $this |
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*/ |
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public function each(callable $callback) |
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{ |
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foreach ($this->items as $key => $item) { |
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if ($callback($item, $key) === false) { |
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break; |
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} |
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} |
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return $this; |
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} |
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/** |
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* Execute a callback over each nested chunk of items. |
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* |
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* @param callable $callback |
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* @return static |
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*/ |
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public function eachSpread(callable $callback) |
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{ |
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return $this->each(function ($chunk, $key) use ($callback) { |
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$chunk[] = $key; |
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1 |
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return $callback(...$chunk); |
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}); |
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} |
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/** |
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* Determine if all items in the collection pass the given test. |
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* |
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* @param string|callable $key |
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* @param mixed $operator |
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* @param mixed $value |
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* @return bool |
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*/ |
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public function every($key, $operator = null, $value = null) |
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{ |
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1 |
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if (func_num_args() == 1) { |
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$callback = $this->valueRetriever($key); |
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foreach ($this->items as $k => $v) { |
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if (! $callback($v, $k)) { |
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return false; |
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} |
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} |
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1 |
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return true; |
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} |
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1 |
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return $this->every($this->operatorForWhere(...func_get_args())); |
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} |
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/** |
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* Get all items except for those with the specified keys. |
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* |
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* @param \IlluminateAgnostic\Arr\Support\Collection|mixed $keys |
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* @return static |
392
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*/ |
393
|
2 |
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public function except($keys) |
394
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{ |
395
|
2 |
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if ($keys instanceof self) { |
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2 |
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$keys = $keys->all(); |
397
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1 |
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} elseif (! is_array($keys)) { |
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1 |
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$keys = func_get_args(); |
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} |
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|
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2 |
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return new static(Arr::except($this->items, $keys)); |
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} |
403
|
|
|
|
404
|
|
|
/** |
405
|
|
|
* Run a filter over each of the items. |
406
|
|
|
* |
407
|
|
|
* @param callable|null $callback |
408
|
|
|
* @return static |
409
|
|
|
*/ |
410
|
21 |
|
public function filter(callable $callback = null) |
411
|
|
|
{ |
412
|
21 |
|
if ($callback) { |
413
|
21 |
|
return new static(Arr::where($this->items, $callback)); |
414
|
|
|
} |
415
|
|
|
|
416
|
1 |
|
return new static(array_filter($this->items)); |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Apply the callback if the value is truthy. |
421
|
|
|
* |
422
|
|
|
* @param bool $value |
423
|
|
|
* @param callable $callback |
424
|
|
|
* @param callable $default |
425
|
|
|
* @return mixed |
426
|
|
|
*/ |
427
|
4 |
|
public function when($value, callable $callback, callable $default = null) |
428
|
|
|
{ |
429
|
4 |
|
if ($value) { |
430
|
2 |
|
return $callback($this, $value); |
431
|
4 |
|
} elseif ($default) { |
432
|
2 |
|
return $default($this, $value); |
433
|
|
|
} |
434
|
|
|
|
435
|
2 |
|
return $this; |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
/** |
439
|
|
|
* Apply the callback if the value is falsy. |
440
|
|
|
* |
441
|
|
|
* @param bool $value |
442
|
|
|
* @param callable $callback |
443
|
|
|
* @param callable $default |
444
|
|
|
* @return mixed |
445
|
|
|
*/ |
446
|
2 |
|
public function unless($value, callable $callback, callable $default = null) |
447
|
|
|
{ |
448
|
2 |
|
return $this->when(! $value, $callback, $default); |
449
|
|
|
} |
450
|
|
|
|
451
|
|
|
/** |
452
|
|
|
* Filter items by the given key value pair. |
453
|
|
|
* |
454
|
|
|
* @param string $key |
455
|
|
|
* @param mixed $operator |
456
|
|
|
* @param mixed $value |
457
|
|
|
* @return static |
458
|
|
|
*/ |
459
|
2 |
|
public function where($key, $operator, $value = null) |
460
|
|
|
{ |
461
|
2 |
|
return $this->filter($this->operatorForWhere(...func_get_args())); |
462
|
|
|
} |
463
|
|
|
|
464
|
|
|
/** |
465
|
|
|
* Get an operator checker callback. |
466
|
|
|
* |
467
|
|
|
* @param string $key |
468
|
|
|
* @param string $operator |
469
|
|
|
* @param mixed $value |
470
|
|
|
* @return \Closure |
471
|
|
|
*/ |
472
|
7 |
|
protected function operatorForWhere($key, $operator, $value = null) |
473
|
|
|
{ |
474
|
7 |
|
if (func_num_args() == 2) { |
475
|
5 |
|
$value = $operator; |
476
|
|
|
|
477
|
5 |
|
$operator = '='; |
478
|
|
|
} |
479
|
|
|
|
480
|
7 |
|
return function ($item) use ($key, $operator, $value) { |
481
|
7 |
|
$retrieved = data_get($item, $key); |
482
|
|
|
|
483
|
7 |
|
$strings = array_filter([$retrieved, $value], function ($value) { |
484
|
7 |
|
return is_string($value) || (is_object($value) && method_exists($value, '__toString')); |
485
|
7 |
|
}); |
486
|
|
|
|
487
|
7 |
|
if (count($strings) < 2 && count(array_filter([$retrieved, $value], 'is_object')) == 1) { |
488
|
1 |
|
return in_array($operator, ['!=', '<>', '!==']); |
489
|
|
|
} |
490
|
|
|
|
491
|
7 |
|
switch ($operator) { |
492
|
|
|
default: |
493
|
|
|
case '=': |
494
|
6 |
|
case '==': return $retrieved == $value; |
|
|
|
|
495
|
|
|
case '!=': |
496
|
1 |
|
case '<>': return $retrieved != $value; |
|
|
|
|
497
|
1 |
|
case '<': return $retrieved < $value; |
|
|
|
|
498
|
2 |
|
case '>': return $retrieved > $value; |
|
|
|
|
499
|
1 |
|
case '<=': return $retrieved <= $value; |
|
|
|
|
500
|
3 |
|
case '>=': return $retrieved >= $value; |
|
|
|
|
501
|
3 |
|
case '===': return $retrieved === $value; |
|
|
|
|
502
|
1 |
|
case '!==': return $retrieved !== $value; |
|
|
|
|
503
|
|
|
} |
504
|
7 |
|
}; |
505
|
|
|
} |
506
|
|
|
|
507
|
|
|
/** |
508
|
|
|
* Filter items by the given key value pair using strict comparison. |
509
|
|
|
* |
510
|
|
|
* @param string $key |
511
|
|
|
* @param mixed $value |
512
|
|
|
* @return static |
513
|
|
|
*/ |
514
|
1 |
|
public function whereStrict($key, $value) |
515
|
|
|
{ |
516
|
1 |
|
return $this->where($key, '===', $value); |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* Filter items by the given key value pair. |
521
|
|
|
* |
522
|
|
|
* @param string $key |
523
|
|
|
* @param mixed $values |
524
|
|
|
* @param bool $strict |
525
|
|
|
* @return static |
526
|
|
|
*/ |
527
|
2 |
View Code Duplication |
public function whereIn($key, $values, $strict = false) |
|
|
|
|
528
|
|
|
{ |
529
|
2 |
|
$values = $this->getArrayableItems($values); |
530
|
|
|
|
531
|
2 |
|
return $this->filter(function ($item) use ($key, $values, $strict) { |
532
|
2 |
|
return in_array(data_get($item, $key), $values, $strict); |
533
|
2 |
|
}); |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
/** |
537
|
|
|
* Filter items by the given key value pair using strict comparison. |
538
|
|
|
* |
539
|
|
|
* @param string $key |
540
|
|
|
* @param mixed $values |
541
|
|
|
* @return static |
542
|
|
|
*/ |
543
|
1 |
|
public function whereInStrict($key, $values) |
544
|
|
|
{ |
545
|
1 |
|
return $this->whereIn($key, $values, true); |
546
|
|
|
} |
547
|
|
|
|
548
|
|
|
/** |
549
|
|
|
* Filter items by the given key value pair. |
550
|
|
|
* |
551
|
|
|
* @param string $key |
552
|
|
|
* @param mixed $values |
553
|
|
|
* @param bool $strict |
554
|
|
|
* @return static |
555
|
|
|
*/ |
556
|
2 |
View Code Duplication |
public function whereNotIn($key, $values, $strict = false) |
|
|
|
|
557
|
|
|
{ |
558
|
2 |
|
$values = $this->getArrayableItems($values); |
559
|
|
|
|
560
|
2 |
|
return $this->reject(function ($item) use ($key, $values, $strict) { |
561
|
2 |
|
return in_array(data_get($item, $key), $values, $strict); |
562
|
2 |
|
}); |
563
|
|
|
} |
564
|
|
|
|
565
|
|
|
/** |
566
|
|
|
* Filter items by the given key value pair using strict comparison. |
567
|
|
|
* |
568
|
|
|
* @param string $key |
569
|
|
|
* @param mixed $values |
570
|
|
|
* @return static |
571
|
|
|
*/ |
572
|
1 |
|
public function whereNotInStrict($key, $values) |
573
|
|
|
{ |
574
|
1 |
|
return $this->whereNotIn($key, $values, true); |
575
|
|
|
} |
576
|
|
|
|
577
|
|
|
/** |
578
|
|
|
* Get the first item from the collection. |
579
|
|
|
* |
580
|
|
|
* @param callable|null $callback |
581
|
|
|
* @param mixed $default |
582
|
|
|
* @return mixed |
583
|
|
|
*/ |
584
|
11 |
|
public function first(callable $callback = null, $default = null) |
585
|
|
|
{ |
586
|
11 |
|
return Arr::first($this->items, $callback, $default); |
587
|
|
|
} |
588
|
|
|
|
589
|
|
|
/** |
590
|
|
|
* Get the first item by the given key value pair. |
591
|
|
|
* |
592
|
|
|
* @param string $key |
593
|
|
|
* @param mixed $operator |
594
|
|
|
* @param mixed $value |
595
|
|
|
* @return static |
596
|
|
|
*/ |
597
|
1 |
|
public function firstWhere($key, $operator, $value = null) |
598
|
|
|
{ |
599
|
1 |
|
return $this->first($this->operatorForWhere(...func_get_args())); |
600
|
|
|
} |
601
|
|
|
|
602
|
|
|
/** |
603
|
|
|
* Get a flattened array of the items in the collection. |
604
|
|
|
* |
605
|
|
|
* @param int $depth |
606
|
|
|
* @return static |
607
|
|
|
*/ |
608
|
3 |
|
public function flatten($depth = INF) |
609
|
|
|
{ |
610
|
3 |
|
return new static(Arr::flatten($this->items, $depth)); |
611
|
|
|
} |
612
|
|
|
|
613
|
|
|
/** |
614
|
|
|
* Flip the items in the collection. |
615
|
|
|
* |
616
|
|
|
* @return static |
617
|
|
|
*/ |
618
|
1 |
|
public function flip() |
619
|
|
|
{ |
620
|
1 |
|
return new static(array_flip($this->items)); |
621
|
|
|
} |
622
|
|
|
|
623
|
|
|
/** |
624
|
|
|
* Remove an item from the collection by key. |
625
|
|
|
* |
626
|
|
|
* @param string|array $keys |
627
|
|
|
* @return $this |
628
|
|
|
*/ |
629
|
2 |
|
public function forget($keys) |
630
|
|
|
{ |
631
|
2 |
|
foreach ((array) $keys as $key) { |
632
|
2 |
|
$this->offsetUnset($key); |
633
|
|
|
} |
634
|
|
|
|
635
|
2 |
|
return $this; |
636
|
|
|
} |
637
|
|
|
|
638
|
|
|
/** |
639
|
|
|
* Get an item from the collection by key. |
640
|
|
|
* |
641
|
|
|
* @param mixed $key |
642
|
|
|
* @param mixed $default |
643
|
|
|
* @return mixed |
644
|
|
|
*/ |
645
|
5 |
|
public function get($key, $default = null) |
646
|
|
|
{ |
647
|
5 |
|
if ($this->offsetExists($key)) { |
648
|
4 |
|
return $this->items[$key]; |
649
|
|
|
} |
650
|
|
|
|
651
|
1 |
|
return value($default); |
652
|
|
|
} |
653
|
|
|
|
654
|
|
|
/** |
655
|
|
|
* Group an associative array by a field or using a callback. |
656
|
|
|
* |
657
|
|
|
* @param callable|string $groupBy |
658
|
|
|
* @param bool $preserveKeys |
659
|
|
|
* @return static |
660
|
|
|
*/ |
661
|
7 |
|
public function groupBy($groupBy, $preserveKeys = false) |
662
|
|
|
{ |
663
|
7 |
|
if (is_array($groupBy)) { |
664
|
1 |
|
$nextGroups = $groupBy; |
665
|
|
|
|
666
|
1 |
|
$groupBy = array_shift($nextGroups); |
667
|
|
|
} |
668
|
|
|
|
669
|
7 |
|
$groupBy = $this->valueRetriever($groupBy); |
670
|
|
|
|
671
|
7 |
|
$results = []; |
672
|
|
|
|
673
|
7 |
|
foreach ($this->items as $key => $value) { |
674
|
7 |
|
$groupKeys = $groupBy($value, $key); |
675
|
|
|
|
676
|
7 |
|
if (! is_array($groupKeys)) { |
677
|
5 |
|
$groupKeys = [$groupKeys]; |
678
|
|
|
} |
679
|
|
|
|
680
|
7 |
|
foreach ($groupKeys as $groupKey) { |
681
|
7 |
|
$groupKey = is_bool($groupKey) ? (int) $groupKey : $groupKey; |
682
|
|
|
|
683
|
7 |
|
if (! array_key_exists($groupKey, $results)) { |
684
|
7 |
|
$results[$groupKey] = new static; |
685
|
|
|
} |
686
|
|
|
|
687
|
7 |
|
$results[$groupKey]->offsetSet($preserveKeys ? $key : null, $value); |
688
|
|
|
} |
689
|
|
|
} |
690
|
|
|
|
691
|
7 |
|
$result = new static($results); |
692
|
|
|
|
693
|
7 |
|
if (! empty($nextGroups)) { |
694
|
1 |
|
return $result->map->groupBy($nextGroups, $preserveKeys); |
695
|
|
|
} |
696
|
|
|
|
697
|
7 |
|
return $result; |
698
|
|
|
} |
699
|
|
|
|
700
|
|
|
/** |
701
|
|
|
* Key an associative array by a field or using a callback. |
702
|
|
|
* |
703
|
|
|
* @param callable|string $keyBy |
704
|
|
|
* @return static |
705
|
|
|
*/ |
706
|
3 |
|
public function keyBy($keyBy) |
707
|
|
|
{ |
708
|
3 |
|
$keyBy = $this->valueRetriever($keyBy); |
709
|
|
|
|
710
|
3 |
|
$results = []; |
711
|
|
|
|
712
|
3 |
|
foreach ($this->items as $key => $item) { |
713
|
3 |
|
$resolvedKey = $keyBy($item, $key); |
714
|
|
|
|
715
|
3 |
|
if (is_object($resolvedKey)) { |
716
|
|
|
$resolvedKey = (string) $resolvedKey; |
717
|
|
|
} |
718
|
|
|
|
719
|
3 |
|
$results[$resolvedKey] = $item; |
720
|
|
|
} |
721
|
|
|
|
722
|
3 |
|
return new static($results); |
723
|
|
|
} |
724
|
|
|
|
725
|
|
|
/** |
726
|
|
|
* Determine if an item exists in the collection by key. |
727
|
|
|
* |
728
|
|
|
* @param mixed $key |
729
|
|
|
* @return bool |
730
|
|
|
*/ |
731
|
2 |
|
public function has($key) |
732
|
|
|
{ |
733
|
2 |
|
$keys = is_array($key) ? $key : func_get_args(); |
734
|
|
|
|
735
|
2 |
|
foreach ($keys as $value) { |
736
|
2 |
|
if (! $this->offsetExists($value)) { |
737
|
2 |
|
return false; |
738
|
|
|
} |
739
|
|
|
} |
740
|
|
|
|
741
|
2 |
|
return true; |
742
|
|
|
} |
743
|
|
|
|
744
|
|
|
/** |
745
|
|
|
* Concatenate values of a given key as a string. |
746
|
|
|
* |
747
|
|
|
* @param string $value |
748
|
|
|
* @param string $glue |
749
|
|
|
* @return string |
750
|
|
|
*/ |
751
|
1 |
|
public function implode($value, $glue = null) |
752
|
|
|
{ |
753
|
1 |
|
$first = $this->first(); |
754
|
|
|
|
755
|
1 |
|
if (is_array($first) || is_object($first)) { |
756
|
1 |
|
return implode($glue, $this->pluck($value)->all()); |
757
|
|
|
} |
758
|
|
|
|
759
|
1 |
|
return implode($value, $this->items); |
760
|
|
|
} |
761
|
|
|
|
762
|
|
|
/** |
763
|
|
|
* Intersect the collection with the given items. |
764
|
|
|
* |
765
|
|
|
* @param mixed $items |
766
|
|
|
* @return static |
767
|
|
|
*/ |
768
|
2 |
|
public function intersect($items) |
769
|
|
|
{ |
770
|
2 |
|
return new static(array_intersect($this->items, $this->getArrayableItems($items))); |
771
|
|
|
} |
772
|
|
|
|
773
|
|
|
/** |
774
|
|
|
* Intersect the collection with the given items by key. |
775
|
|
|
* |
776
|
|
|
* @param mixed $items |
777
|
|
|
* @return static |
778
|
|
|
*/ |
779
|
2 |
|
public function intersectByKeys($items) |
780
|
|
|
{ |
781
|
2 |
|
return new static(array_intersect_key( |
782
|
2 |
|
$this->items, $this->getArrayableItems($items) |
783
|
|
|
)); |
784
|
|
|
} |
785
|
|
|
|
786
|
|
|
/** |
787
|
|
|
* Determine if the collection is empty or not. |
788
|
|
|
* |
789
|
|
|
* @return bool |
790
|
|
|
*/ |
791
|
7 |
|
public function isEmpty() |
792
|
|
|
{ |
793
|
7 |
|
return empty($this->items); |
794
|
|
|
} |
795
|
|
|
|
796
|
|
|
/** |
797
|
|
|
* Determine if the collection is not empty. |
798
|
|
|
* |
799
|
|
|
* @return bool |
800
|
|
|
*/ |
801
|
1 |
|
public function isNotEmpty() |
802
|
|
|
{ |
803
|
1 |
|
return ! $this->isEmpty(); |
804
|
|
|
} |
805
|
|
|
|
806
|
|
|
/** |
807
|
|
|
* Determine if the given value is callable, but not a string. |
808
|
|
|
* |
809
|
|
|
* @param mixed $value |
810
|
|
|
* @return bool |
811
|
|
|
*/ |
812
|
40 |
|
protected function useAsCallable($value) |
813
|
|
|
{ |
814
|
40 |
|
return ! is_string($value) && is_callable($value); |
815
|
|
|
} |
816
|
|
|
|
817
|
|
|
/** |
818
|
|
|
* Get the keys of the collection items. |
819
|
|
|
* |
820
|
|
|
* @return static |
821
|
|
|
*/ |
822
|
6 |
|
public function keys() |
823
|
|
|
{ |
824
|
6 |
|
return new static(array_keys($this->items)); |
825
|
|
|
} |
826
|
|
|
|
827
|
|
|
/** |
828
|
|
|
* Get the last item from the collection. |
829
|
|
|
* |
830
|
|
|
* @param callable|null $callback |
831
|
|
|
* @param mixed $default |
832
|
|
|
* @return mixed |
833
|
|
|
*/ |
834
|
7 |
|
public function last(callable $callback = null, $default = null) |
835
|
|
|
{ |
836
|
7 |
|
return Arr::last($this->items, $callback, $default); |
837
|
|
|
} |
838
|
|
|
|
839
|
|
|
/** |
840
|
|
|
* Get the values of a given key. |
841
|
|
|
* |
842
|
|
|
* @param string|array $value |
843
|
|
|
* @param string|null $key |
844
|
|
|
* @return static |
845
|
|
|
*/ |
846
|
9 |
|
public function pluck($value, $key = null) |
847
|
|
|
{ |
848
|
9 |
|
return new static(Arr::pluck($this->items, $value, $key)); |
849
|
|
|
} |
850
|
|
|
|
851
|
|
|
/** |
852
|
|
|
* Run a map over each of the items. |
853
|
|
|
* |
854
|
|
|
* @param callable $callback |
855
|
|
|
* @return static |
856
|
|
|
*/ |
857
|
16 |
|
public function map(callable $callback) |
858
|
|
|
{ |
859
|
16 |
|
$keys = array_keys($this->items); |
860
|
|
|
|
861
|
16 |
|
$items = array_map($callback, $this->items, $keys); |
862
|
|
|
|
863
|
16 |
|
return new static(array_combine($keys, $items)); |
864
|
|
|
} |
865
|
|
|
|
866
|
|
|
/** |
867
|
|
|
* Run a map over each nested chunk of items. |
868
|
|
|
* |
869
|
|
|
* @param callable $callback |
870
|
|
|
* @return static |
871
|
|
|
*/ |
872
|
|
|
public function mapSpread(callable $callback) |
873
|
|
|
{ |
874
|
1 |
|
return $this->map(function ($chunk, $key) use ($callback) { |
875
|
1 |
|
$chunk[] = $key; |
876
|
|
|
|
877
|
1 |
|
return $callback(...$chunk); |
878
|
1 |
|
}); |
879
|
|
|
} |
880
|
|
|
|
881
|
|
|
/** |
882
|
|
|
* Run a dictionary map over the items. |
883
|
|
|
* |
884
|
|
|
* The callback should return an associative array with a single key/value pair. |
885
|
|
|
* |
886
|
|
|
* @param callable $callback |
887
|
|
|
* @return static |
888
|
|
|
*/ |
889
|
4 |
|
public function mapToDictionary(callable $callback) |
890
|
|
|
{ |
891
|
4 |
|
$dictionary = []; |
892
|
|
|
|
893
|
4 |
|
foreach ($this->items as $key => $item) { |
894
|
4 |
|
$pair = $callback($item, $key); |
895
|
|
|
|
896
|
4 |
|
$key = key($pair); |
897
|
|
|
|
898
|
4 |
|
$value = reset($pair); |
899
|
|
|
|
900
|
4 |
|
if (! isset($dictionary[$key])) { |
901
|
4 |
|
$dictionary[$key] = []; |
902
|
|
|
} |
903
|
|
|
|
904
|
4 |
|
$dictionary[$key][] = $value; |
905
|
|
|
} |
906
|
|
|
|
907
|
4 |
|
return new static($dictionary); |
908
|
|
|
} |
909
|
|
|
|
910
|
|
|
/** |
911
|
|
|
* Run a grouping map over the items. |
912
|
|
|
* |
913
|
|
|
* The callback should return an associative array with a single key/value pair. |
914
|
|
|
* |
915
|
|
|
* @param callable $callback |
916
|
|
|
* @return static |
917
|
|
|
*/ |
918
|
2 |
|
public function mapToGroups(callable $callback) |
919
|
|
|
{ |
920
|
2 |
|
$groups = $this->mapToDictionary($callback); |
921
|
|
|
|
922
|
2 |
|
return $groups->map([$this, 'make']); |
923
|
|
|
} |
924
|
|
|
|
925
|
|
|
/** |
926
|
|
|
* Run an associative map over each of the items. |
927
|
|
|
* |
928
|
|
|
* The callback should return an associative array with a single key/value pair. |
929
|
|
|
* |
930
|
|
|
* @param callable $callback |
931
|
|
|
* @return static |
932
|
|
|
*/ |
933
|
4 |
|
public function mapWithKeys(callable $callback) |
934
|
|
|
{ |
935
|
4 |
|
$result = []; |
936
|
|
|
|
937
|
4 |
|
foreach ($this->items as $key => $value) { |
938
|
4 |
|
$assoc = $callback($value, $key); |
939
|
|
|
|
940
|
4 |
|
foreach ($assoc as $mapKey => $mapValue) { |
941
|
4 |
|
$result[$mapKey] = $mapValue; |
942
|
|
|
} |
943
|
|
|
} |
944
|
|
|
|
945
|
4 |
|
return new static($result); |
946
|
|
|
} |
947
|
|
|
|
948
|
|
|
/** |
949
|
|
|
* Map a collection and flatten the result by a single level. |
950
|
|
|
* |
951
|
|
|
* @param callable $callback |
952
|
|
|
* @return static |
953
|
|
|
*/ |
954
|
1 |
|
public function flatMap(callable $callback) |
955
|
|
|
{ |
956
|
1 |
|
return $this->map($callback)->collapse(); |
957
|
|
|
} |
958
|
|
|
|
959
|
|
|
/** |
960
|
|
|
* Map the values into a new class. |
961
|
|
|
* |
962
|
|
|
* @param string $class |
963
|
|
|
* @return static |
964
|
|
|
*/ |
965
|
|
|
public function mapInto($class) |
966
|
|
|
{ |
967
|
1 |
|
return $this->map(function ($value, $key) use ($class) { |
968
|
1 |
|
return new $class($value, $key); |
969
|
1 |
|
}); |
970
|
|
|
} |
971
|
|
|
|
972
|
|
|
/** |
973
|
|
|
* Get the max value of a given key. |
974
|
|
|
* |
975
|
|
|
* @param callable|string|null $callback |
976
|
|
|
* @return mixed |
977
|
|
|
*/ |
978
|
1 |
View Code Duplication |
public function max($callback = null) |
|
|
|
|
979
|
|
|
{ |
980
|
1 |
|
$callback = $this->valueRetriever($callback); |
981
|
|
|
|
982
|
1 |
|
return $this->filter(function ($value) { |
983
|
1 |
|
return ! is_null($value); |
984
|
|
|
})->reduce(function ($result, $item) use ($callback) { |
985
|
1 |
|
$value = $callback($item); |
986
|
|
|
|
987
|
1 |
|
return is_null($result) || $value > $result ? $value : $result; |
988
|
1 |
|
}); |
989
|
|
|
} |
990
|
|
|
|
991
|
|
|
/** |
992
|
|
|
* Merge the collection with the given items. |
993
|
|
|
* |
994
|
|
|
* @param mixed $items |
995
|
|
|
* @return static |
996
|
|
|
*/ |
997
|
3 |
|
public function merge($items) |
998
|
|
|
{ |
999
|
3 |
|
return new static(array_merge($this->items, $this->getArrayableItems($items))); |
1000
|
|
|
} |
1001
|
|
|
|
1002
|
|
|
/** |
1003
|
|
|
* Create a collection by using this collection for keys and another for its values. |
1004
|
|
|
* |
1005
|
|
|
* @param mixed $values |
1006
|
|
|
* @return static |
1007
|
|
|
*/ |
1008
|
2 |
|
public function combine($values) |
1009
|
|
|
{ |
1010
|
2 |
|
return new static(array_combine($this->all(), $this->getArrayableItems($values))); |
1011
|
|
|
} |
1012
|
|
|
|
1013
|
|
|
/** |
1014
|
|
|
* Union the collection with the given items. |
1015
|
|
|
* |
1016
|
|
|
* @param mixed $items |
1017
|
|
|
* @return static |
1018
|
|
|
*/ |
1019
|
3 |
|
public function union($items) |
1020
|
|
|
{ |
1021
|
3 |
|
return new static($this->items + $this->getArrayableItems($items)); |
1022
|
|
|
} |
1023
|
|
|
|
1024
|
|
|
/** |
1025
|
|
|
* Get the min value of a given key. |
1026
|
|
|
* |
1027
|
|
|
* @param callable|string|null $callback |
1028
|
|
|
* @return mixed |
1029
|
|
|
*/ |
1030
|
1 |
View Code Duplication |
public function min($callback = null) |
|
|
|
|
1031
|
|
|
{ |
1032
|
1 |
|
$callback = $this->valueRetriever($callback); |
1033
|
|
|
|
1034
|
1 |
|
return $this->filter(function ($value) { |
1035
|
1 |
|
return ! is_null($value); |
1036
|
|
|
})->reduce(function ($result, $item) use ($callback) { |
1037
|
1 |
|
$value = $callback($item); |
1038
|
|
|
|
1039
|
1 |
|
return is_null($result) || $value < $result ? $value : $result; |
1040
|
1 |
|
}); |
1041
|
|
|
} |
1042
|
|
|
|
1043
|
|
|
/** |
1044
|
|
|
* Create a new collection consisting of every n-th element. |
1045
|
|
|
* |
1046
|
|
|
* @param int $step |
1047
|
|
|
* @param int $offset |
1048
|
|
|
* @return static |
1049
|
|
|
*/ |
1050
|
1 |
|
public function nth($step, $offset = 0) |
1051
|
|
|
{ |
1052
|
1 |
|
$new = []; |
1053
|
|
|
|
1054
|
1 |
|
$position = 0; |
1055
|
|
|
|
1056
|
1 |
|
foreach ($this->items as $item) { |
1057
|
1 |
|
if ($position % $step === $offset) { |
1058
|
1 |
|
$new[] = $item; |
1059
|
|
|
} |
1060
|
|
|
|
1061
|
1 |
|
$position++; |
1062
|
|
|
} |
1063
|
|
|
|
1064
|
1 |
|
return new static($new); |
1065
|
|
|
} |
1066
|
|
|
|
1067
|
|
|
/** |
1068
|
|
|
* Get the items with the specified keys. |
1069
|
|
|
* |
1070
|
|
|
* @param mixed $keys |
1071
|
|
|
* @return static |
1072
|
|
|
*/ |
1073
|
1 |
|
public function only($keys) |
1074
|
|
|
{ |
1075
|
1 |
|
if (is_null($keys)) { |
1076
|
1 |
|
return new static($this->items); |
1077
|
|
|
} |
1078
|
|
|
|
1079
|
1 |
|
if ($keys instanceof self) { |
1080
|
1 |
|
$keys = $keys->all(); |
1081
|
|
|
} |
1082
|
|
|
|
1083
|
1 |
|
$keys = is_array($keys) ? $keys : func_get_args(); |
1084
|
|
|
|
1085
|
1 |
|
return new static(Arr::only($this->items, $keys)); |
1086
|
|
|
} |
1087
|
|
|
|
1088
|
|
|
/** |
1089
|
|
|
* "Paginate" the collection by slicing it into a smaller collection. |
1090
|
|
|
* |
1091
|
|
|
* @param int $page |
1092
|
|
|
* @param int $perPage |
1093
|
|
|
* @return static |
1094
|
|
|
*/ |
1095
|
1 |
|
public function forPage($page, $perPage) |
1096
|
|
|
{ |
1097
|
1 |
|
$offset = max(0, ($page - 1) * $perPage); |
1098
|
|
|
|
1099
|
1 |
|
return $this->slice($offset, $perPage); |
1100
|
|
|
} |
1101
|
|
|
|
1102
|
|
|
/** |
1103
|
|
|
* Partition the collection into two arrays using the given callback or key. |
1104
|
|
|
* |
1105
|
|
|
* @param callable|string $key |
1106
|
|
|
* @param mixed $operator |
1107
|
|
|
* @param mixed $value |
1108
|
|
|
* @return static |
1109
|
|
|
*/ |
1110
|
7 |
|
public function partition($key, $operator = null, $value = null) |
1111
|
|
|
{ |
1112
|
7 |
|
$partitions = [new static, new static]; |
1113
|
|
|
|
1114
|
7 |
|
$callback = func_num_args() == 1 |
1115
|
6 |
|
? $this->valueRetriever($key) |
1116
|
7 |
|
: $this->operatorForWhere(...func_get_args()); |
1117
|
|
|
|
1118
|
7 |
|
foreach ($this->items as $key => $item) { |
1119
|
6 |
|
$partitions[(int) ! $callback($item, $key)][$key] = $item; |
1120
|
|
|
} |
1121
|
|
|
|
1122
|
7 |
|
return new static($partitions); |
1123
|
|
|
} |
1124
|
|
|
|
1125
|
|
|
/** |
1126
|
|
|
* Pass the collection to the given callback and return the result. |
1127
|
|
|
* |
1128
|
|
|
* @param callable $callback |
1129
|
|
|
* @return mixed |
1130
|
|
|
*/ |
1131
|
1 |
|
public function pipe(callable $callback) |
1132
|
|
|
{ |
1133
|
1 |
|
return $callback($this); |
1134
|
|
|
} |
1135
|
|
|
|
1136
|
|
|
/** |
1137
|
|
|
* Get and remove the last item from the collection. |
1138
|
|
|
* |
1139
|
|
|
* @return mixed |
1140
|
|
|
*/ |
1141
|
1 |
|
public function pop() |
1142
|
|
|
{ |
1143
|
1 |
|
return array_pop($this->items); |
1144
|
|
|
} |
1145
|
|
|
|
1146
|
|
|
/** |
1147
|
|
|
* Push an item onto the beginning of the collection. |
1148
|
|
|
* |
1149
|
|
|
* @param mixed $value |
1150
|
|
|
* @param mixed $key |
1151
|
|
|
* @return $this |
1152
|
|
|
*/ |
1153
|
1 |
|
public function prepend($value, $key = null) |
1154
|
|
|
{ |
1155
|
1 |
|
$this->items = Arr::prepend($this->items, $value, $key); |
1156
|
|
|
|
1157
|
1 |
|
return $this; |
1158
|
|
|
} |
1159
|
|
|
|
1160
|
|
|
/** |
1161
|
|
|
* Push an item onto the end of the collection. |
1162
|
|
|
* |
1163
|
|
|
* @param mixed $value |
1164
|
|
|
* @return $this |
1165
|
|
|
*/ |
1166
|
7 |
|
public function push($value) |
1167
|
|
|
{ |
1168
|
7 |
|
$this->offsetSet(null, $value); |
1169
|
|
|
|
1170
|
7 |
|
return $this; |
1171
|
|
|
} |
1172
|
|
|
|
1173
|
|
|
/** |
1174
|
|
|
* Push all of the given items onto the collection. |
1175
|
|
|
* |
1176
|
|
|
* @param \Traversable $source |
1177
|
|
|
* @return $this |
1178
|
|
|
*/ |
1179
|
2 |
|
public function concat($source) |
1180
|
|
|
{ |
1181
|
2 |
|
$result = new static($this); |
1182
|
|
|
|
1183
|
2 |
|
foreach ($source as $item) { |
1184
|
2 |
|
$result->push($item); |
1185
|
|
|
} |
1186
|
|
|
|
1187
|
2 |
|
return $result; |
1188
|
|
|
} |
1189
|
|
|
|
1190
|
|
|
/** |
1191
|
|
|
* Get and remove an item from the collection. |
1192
|
|
|
* |
1193
|
|
|
* @param mixed $key |
1194
|
|
|
* @param mixed $default |
1195
|
|
|
* @return mixed |
1196
|
|
|
*/ |
1197
|
3 |
|
public function pull($key, $default = null) |
1198
|
|
|
{ |
1199
|
3 |
|
return Arr::pull($this->items, $key, $default); |
1200
|
|
|
} |
1201
|
|
|
|
1202
|
|
|
/** |
1203
|
|
|
* Put an item in the collection by key. |
1204
|
|
|
* |
1205
|
|
|
* @param mixed $key |
1206
|
|
|
* @param mixed $value |
1207
|
|
|
* @return $this |
1208
|
|
|
*/ |
1209
|
3 |
|
public function put($key, $value) |
1210
|
|
|
{ |
1211
|
3 |
|
$this->offsetSet($key, $value); |
1212
|
|
|
|
1213
|
3 |
|
return $this; |
1214
|
|
|
} |
1215
|
|
|
|
1216
|
|
|
/** |
1217
|
|
|
* Get one or a specified number of items randomly from the collection. |
1218
|
|
|
* |
1219
|
|
|
* @param int|null $number |
1220
|
|
|
* @return mixed |
1221
|
|
|
* |
1222
|
|
|
* @throws \InvalidArgumentException |
1223
|
|
|
*/ |
1224
|
3 |
|
public function random($number = null) |
1225
|
|
|
{ |
1226
|
3 |
|
if (is_null($number)) { |
1227
|
1 |
|
return Arr::random($this->items); |
1228
|
|
|
} |
1229
|
|
|
|
1230
|
3 |
|
return new static(Arr::random($this->items, $number)); |
1231
|
|
|
} |
1232
|
|
|
|
1233
|
|
|
/** |
1234
|
|
|
* Reduce the collection to a single value. |
1235
|
|
|
* |
1236
|
|
|
* @param callable $callback |
1237
|
|
|
* @param mixed $initial |
1238
|
|
|
* @return mixed |
1239
|
|
|
*/ |
1240
|
6 |
|
public function reduce(callable $callback, $initial = null) |
1241
|
|
|
{ |
1242
|
6 |
|
return array_reduce($this->items, $callback, $initial); |
1243
|
|
|
} |
1244
|
|
|
|
1245
|
|
|
/** |
1246
|
|
|
* Create a collection of all elements that do not pass a given truth test. |
1247
|
|
|
* |
1248
|
|
|
* @param callable|mixed $callback |
1249
|
|
|
* @return static |
1250
|
|
|
*/ |
1251
|
8 |
|
public function reject($callback) |
1252
|
|
|
{ |
1253
|
8 |
|
if ($this->useAsCallable($callback)) { |
1254
|
8 |
|
return $this->filter(function ($value, $key) use ($callback) { |
1255
|
8 |
|
return ! $callback($value, $key); |
1256
|
8 |
|
}); |
1257
|
|
|
} |
1258
|
|
|
|
1259
|
1 |
|
return $this->filter(function ($item) use ($callback) { |
1260
|
1 |
|
return $item != $callback; |
1261
|
1 |
|
}); |
1262
|
|
|
} |
1263
|
|
|
|
1264
|
|
|
/** |
1265
|
|
|
* Reverse items order. |
1266
|
|
|
* |
1267
|
|
|
* @return static |
1268
|
|
|
*/ |
1269
|
1 |
|
public function reverse() |
1270
|
|
|
{ |
1271
|
1 |
|
return new static(array_reverse($this->items, true)); |
1272
|
|
|
} |
1273
|
|
|
|
1274
|
|
|
/** |
1275
|
|
|
* Search the collection for a given value and return the corresponding key if successful. |
1276
|
|
|
* |
1277
|
|
|
* @param mixed $value |
1278
|
|
|
* @param bool $strict |
1279
|
|
|
* @return mixed |
1280
|
|
|
*/ |
1281
|
2 |
|
public function search($value, $strict = false) |
1282
|
|
|
{ |
1283
|
2 |
|
if (! $this->useAsCallable($value)) { |
1284
|
2 |
|
return array_search($value, $this->items, $strict); |
1285
|
|
|
} |
1286
|
|
|
|
1287
|
2 |
|
foreach ($this->items as $key => $item) { |
1288
|
2 |
|
if (call_user_func($value, $item, $key)) { |
1289
|
2 |
|
return $key; |
1290
|
|
|
} |
1291
|
|
|
} |
1292
|
|
|
|
1293
|
1 |
|
return false; |
1294
|
|
|
} |
1295
|
|
|
|
1296
|
|
|
/** |
1297
|
|
|
* Get and remove the first item from the collection. |
1298
|
|
|
* |
1299
|
|
|
* @return mixed |
1300
|
|
|
*/ |
1301
|
1 |
|
public function shift() |
1302
|
|
|
{ |
1303
|
1 |
|
return array_shift($this->items); |
1304
|
|
|
} |
1305
|
|
|
|
1306
|
|
|
/** |
1307
|
|
|
* Shuffle the items in the collection. |
1308
|
|
|
* |
1309
|
|
|
* @param int $seed |
1310
|
|
|
* @return static |
1311
|
|
|
*/ |
1312
|
1 |
|
public function shuffle($seed = null) |
1313
|
|
|
{ |
1314
|
1 |
|
$items = $this->items; |
1315
|
|
|
|
1316
|
1 |
|
if (is_null($seed)) { |
1317
|
|
|
shuffle($items); |
1318
|
|
|
} else { |
1319
|
1 |
|
srand($seed); |
1320
|
|
|
|
1321
|
1 |
|
usort($items, function () { |
1322
|
1 |
|
return rand(-1, 1); |
1323
|
1 |
|
}); |
1324
|
|
|
} |
1325
|
|
|
|
1326
|
1 |
|
return new static($items); |
1327
|
|
|
} |
1328
|
|
|
|
1329
|
|
|
/** |
1330
|
|
|
* Slice the underlying collection array. |
1331
|
|
|
* |
1332
|
|
|
* @param int $offset |
1333
|
|
|
* @param int $length |
1334
|
|
|
* @return static |
1335
|
|
|
*/ |
1336
|
10 |
|
public function slice($offset, $length = null) |
1337
|
|
|
{ |
1338
|
10 |
|
return new static(array_slice($this->items, $offset, $length, true)); |
1339
|
|
|
} |
1340
|
|
|
|
1341
|
|
|
/** |
1342
|
|
|
* Split a collection into a certain number of groups. |
1343
|
|
|
* |
1344
|
|
|
* @param int $numberOfGroups |
1345
|
|
|
* @return static |
1346
|
|
|
*/ |
1347
|
4 |
|
public function split($numberOfGroups) |
1348
|
|
|
{ |
1349
|
4 |
|
if ($this->isEmpty()) { |
1350
|
1 |
|
return new static; |
1351
|
|
|
} |
1352
|
|
|
|
1353
|
3 |
|
$groupSize = ceil($this->count() / $numberOfGroups); |
1354
|
|
|
|
1355
|
3 |
|
return $this->chunk($groupSize); |
1356
|
|
|
} |
1357
|
|
|
|
1358
|
|
|
/** |
1359
|
|
|
* Chunk the underlying collection array. |
1360
|
|
|
* |
1361
|
|
|
* @param int $size |
1362
|
|
|
* @return static |
1363
|
|
|
*/ |
1364
|
6 |
|
public function chunk($size) |
1365
|
|
|
{ |
1366
|
6 |
|
if ($size <= 0) { |
1367
|
2 |
|
return new static; |
1368
|
|
|
} |
1369
|
|
|
|
1370
|
4 |
|
$chunks = []; |
1371
|
|
|
|
1372
|
4 |
|
foreach (array_chunk($this->items, $size, true) as $chunk) { |
1373
|
4 |
|
$chunks[] = new static($chunk); |
1374
|
|
|
} |
1375
|
|
|
|
1376
|
4 |
|
return new static($chunks); |
1377
|
|
|
} |
1378
|
|
|
|
1379
|
|
|
/** |
1380
|
|
|
* Sort through each item with a callback. |
1381
|
|
|
* |
1382
|
|
|
* @param callable|null $callback |
1383
|
|
|
* @return static |
1384
|
|
|
*/ |
1385
|
9 |
|
public function sort(callable $callback = null) |
1386
|
|
|
{ |
1387
|
9 |
|
$items = $this->items; |
1388
|
|
|
|
1389
|
9 |
|
$callback |
1390
|
1 |
|
? uasort($items, $callback) |
1391
|
8 |
|
: asort($items); |
1392
|
|
|
|
1393
|
9 |
|
return new static($items); |
1394
|
|
|
} |
1395
|
|
|
|
1396
|
|
|
/** |
1397
|
|
|
* Sort the collection using the given callback. |
1398
|
|
|
* |
1399
|
|
|
* @param callable|string $callback |
1400
|
|
|
* @param int $options |
1401
|
|
|
* @param bool $descending |
1402
|
|
|
* @return static |
1403
|
|
|
*/ |
1404
|
5 |
|
public function sortBy($callback, $options = SORT_REGULAR, $descending = false) |
1405
|
|
|
{ |
1406
|
5 |
|
$results = []; |
1407
|
|
|
|
1408
|
5 |
|
$callback = $this->valueRetriever($callback); |
1409
|
|
|
|
1410
|
|
|
// First we will loop through the items and get the comparator from a callback |
1411
|
|
|
// function which we were given. Then, we will sort the returned values and |
1412
|
|
|
// and grab the corresponding values for the sorted keys from this array. |
1413
|
5 |
|
foreach ($this->items as $key => $value) { |
1414
|
5 |
|
$results[$key] = $callback($value, $key); |
1415
|
|
|
} |
1416
|
|
|
|
1417
|
5 |
|
$descending ? arsort($results, $options) |
1418
|
5 |
|
: asort($results, $options); |
1419
|
|
|
|
1420
|
|
|
// Once we have sorted all of the keys in the array, we will loop through them |
1421
|
|
|
// and grab the corresponding model so we can set the underlying items list |
1422
|
|
|
// to the sorted version. Then we'll just return the collection instance. |
1423
|
5 |
|
foreach (array_keys($results) as $key) { |
1424
|
5 |
|
$results[$key] = $this->items[$key]; |
1425
|
|
|
} |
1426
|
|
|
|
1427
|
5 |
|
return new static($results); |
1428
|
|
|
} |
1429
|
|
|
|
1430
|
|
|
/** |
1431
|
|
|
* Sort the collection in descending order using the given callback. |
1432
|
|
|
* |
1433
|
|
|
* @param callable|string $callback |
1434
|
|
|
* @param int $options |
1435
|
|
|
* @return static |
1436
|
|
|
*/ |
1437
|
1 |
|
public function sortByDesc($callback, $options = SORT_REGULAR) |
1438
|
|
|
{ |
1439
|
1 |
|
return $this->sortBy($callback, $options, true); |
1440
|
|
|
} |
1441
|
|
|
|
1442
|
|
|
/** |
1443
|
|
|
* Splice a portion of the underlying collection array. |
1444
|
|
|
* |
1445
|
|
|
* @param int $offset |
1446
|
|
|
* @param int|null $length |
1447
|
|
|
* @param mixed $replacement |
1448
|
|
|
* @return static |
1449
|
|
|
*/ |
1450
|
1 |
|
public function splice($offset, $length = null, $replacement = []) |
1451
|
|
|
{ |
1452
|
1 |
|
if (func_num_args() == 1) { |
1453
|
1 |
|
return new static(array_splice($this->items, $offset)); |
1454
|
|
|
} |
1455
|
|
|
|
1456
|
1 |
|
return new static(array_splice($this->items, $offset, $length, $replacement)); |
1457
|
|
|
} |
1458
|
|
|
|
1459
|
|
|
/** |
1460
|
|
|
* Get the sum of the given values. |
1461
|
|
|
* |
1462
|
|
|
* @param callable|string|null $callback |
1463
|
|
|
* @return mixed |
1464
|
|
|
*/ |
1465
|
8 |
|
public function sum($callback = null) |
1466
|
|
|
{ |
1467
|
8 |
|
if (is_null($callback)) { |
1468
|
6 |
|
return array_sum($this->items); |
1469
|
|
|
} |
1470
|
|
|
|
1471
|
3 |
|
$callback = $this->valueRetriever($callback); |
1472
|
|
|
|
1473
|
3 |
|
return $this->reduce(function ($result, $item) use ($callback) { |
1474
|
2 |
|
return $result + $callback($item); |
1475
|
3 |
|
}, 0); |
1476
|
|
|
} |
1477
|
|
|
|
1478
|
|
|
/** |
1479
|
|
|
* Take the first or last {$limit} items. |
1480
|
|
|
* |
1481
|
|
|
* @param int $limit |
1482
|
|
|
* @return static |
1483
|
|
|
*/ |
1484
|
2 |
|
public function take($limit) |
1485
|
|
|
{ |
1486
|
2 |
|
if ($limit < 0) { |
1487
|
1 |
|
return $this->slice($limit, abs($limit)); |
1488
|
|
|
} |
1489
|
|
|
|
1490
|
1 |
|
return $this->slice(0, $limit); |
1491
|
|
|
} |
1492
|
|
|
|
1493
|
|
|
/** |
1494
|
|
|
* Pass the collection to the given callback and then return it. |
1495
|
|
|
* |
1496
|
|
|
* @param callable $callback |
1497
|
|
|
* @return $this |
1498
|
|
|
*/ |
1499
|
1 |
|
public function tap(callable $callback) |
1500
|
|
|
{ |
1501
|
1 |
|
$callback(new static($this->items)); |
1502
|
|
|
|
1503
|
1 |
|
return $this; |
1504
|
|
|
} |
1505
|
|
|
|
1506
|
|
|
/** |
1507
|
|
|
* Transform each item in the collection using a callback. |
1508
|
|
|
* |
1509
|
|
|
* @param callable $callback |
1510
|
|
|
* @return $this |
1511
|
|
|
*/ |
1512
|
1 |
|
public function transform(callable $callback) |
1513
|
|
|
{ |
1514
|
1 |
|
$this->items = $this->map($callback)->all(); |
1515
|
|
|
|
1516
|
1 |
|
return $this; |
1517
|
|
|
} |
1518
|
|
|
|
1519
|
|
|
/** |
1520
|
|
|
* Return only unique items from the collection array. |
1521
|
|
|
* |
1522
|
|
|
* @param string|callable|null $key |
1523
|
|
|
* @param bool $strict |
1524
|
|
|
* @return static |
1525
|
|
|
*/ |
1526
|
5 |
|
public function unique($key = null, $strict = false) |
1527
|
|
|
{ |
1528
|
5 |
|
$callback = $this->valueRetriever($key); |
1529
|
|
|
|
1530
|
5 |
|
$exists = []; |
1531
|
|
|
|
1532
|
5 |
|
return $this->reject(function ($item, $key) use ($callback, $strict, &$exists) { |
1533
|
5 |
|
if (in_array($id = $callback($item, $key), $exists, $strict)) { |
1534
|
5 |
|
return true; |
1535
|
|
|
} |
1536
|
|
|
|
1537
|
5 |
|
$exists[] = $id; |
1538
|
5 |
|
}); |
1539
|
|
|
} |
1540
|
|
|
|
1541
|
|
|
/** |
1542
|
|
|
* Return only unique items from the collection array using strict comparison. |
1543
|
|
|
* |
1544
|
|
|
* @param string|callable|null $key |
1545
|
|
|
* @return static |
1546
|
|
|
*/ |
1547
|
1 |
|
public function uniqueStrict($key = null) |
1548
|
|
|
{ |
1549
|
1 |
|
return $this->unique($key, true); |
1550
|
|
|
} |
1551
|
|
|
|
1552
|
|
|
/** |
1553
|
|
|
* Reset the keys on the underlying array. |
1554
|
|
|
* |
1555
|
|
|
* @return static |
1556
|
|
|
*/ |
1557
|
30 |
|
public function values() |
1558
|
|
|
{ |
1559
|
30 |
|
return new static(array_values($this->items)); |
1560
|
|
|
} |
1561
|
|
|
|
1562
|
|
|
/** |
1563
|
|
|
* Get a value retrieving callback. |
1564
|
|
|
* |
1565
|
|
|
* @param string $value |
1566
|
|
|
* @return callable |
1567
|
|
|
*/ |
1568
|
32 |
|
protected function valueRetriever($value) |
1569
|
|
|
{ |
1570
|
32 |
|
if ($this->useAsCallable($value)) { |
1571
|
22 |
|
return $value; |
1572
|
|
|
} |
1573
|
|
|
|
1574
|
19 |
|
return function ($item) use ($value) { |
1575
|
18 |
|
return data_get($item, $value); |
1576
|
19 |
|
}; |
1577
|
|
|
} |
1578
|
|
|
|
1579
|
|
|
/** |
1580
|
|
|
* Zip the collection together with one or more arrays. |
1581
|
|
|
* |
1582
|
|
|
* e.g. new Collection([1, 2, 3])->zip([4, 5, 6]); |
1583
|
|
|
* => [[1, 4], [2, 5], [3, 6]] |
1584
|
|
|
* |
1585
|
|
|
* @param mixed ...$items |
1586
|
|
|
* @return static |
1587
|
|
|
*/ |
1588
|
|
|
public function zip($items) |
1589
|
|
|
{ |
1590
|
1 |
|
$arrayableItems = array_map(function ($items) { |
1591
|
1 |
|
return $this->getArrayableItems($items); |
1592
|
1 |
|
}, func_get_args()); |
1593
|
|
|
|
1594
|
1 |
|
$params = array_merge([function () { |
1595
|
1 |
|
return new static(func_get_args()); |
1596
|
1 |
|
}, $this->items], $arrayableItems); |
1597
|
|
|
|
1598
|
1 |
|
return new static(call_user_func_array('array_map', $params)); |
1599
|
|
|
} |
1600
|
|
|
|
1601
|
|
|
/** |
1602
|
|
|
* Pad collection to the specified length with a value. |
1603
|
|
|
* |
1604
|
|
|
* @param int $size |
1605
|
|
|
* @param mixed $value |
1606
|
|
|
* @return static |
1607
|
|
|
*/ |
1608
|
1 |
|
public function pad($size, $value) |
1609
|
|
|
{ |
1610
|
1 |
|
return new static(array_pad($this->items, $size, $value)); |
1611
|
|
|
} |
1612
|
|
|
|
1613
|
|
|
/** |
1614
|
|
|
* Get the collection of items as a plain array. |
1615
|
|
|
* |
1616
|
|
|
* @return array |
1617
|
|
|
*/ |
1618
|
|
|
public function toArray() |
1619
|
|
|
{ |
1620
|
46 |
|
return array_map(function ($value) { |
1621
|
43 |
|
return $value instanceof Arrayable ? $value->toArray() : $value; |
1622
|
46 |
|
}, $this->items); |
1623
|
|
|
} |
1624
|
|
|
|
1625
|
|
|
/** |
1626
|
|
|
* Convert the object into something JSON serializable. |
1627
|
|
|
* |
1628
|
|
|
* @return array |
1629
|
|
|
*/ |
1630
|
|
|
public function jsonSerialize() |
1631
|
|
|
{ |
1632
|
2 |
|
return array_map(function ($value) { |
1633
|
2 |
|
if ($value instanceof JsonSerializable) { |
|
|
|
|
1634
|
2 |
|
return $value->jsonSerialize(); |
1635
|
2 |
|
} elseif ($value instanceof Jsonable) { |
1636
|
1 |
|
return json_decode($value->toJson(), true); |
1637
|
2 |
|
} elseif ($value instanceof Arrayable) { |
1638
|
2 |
|
return $value->toArray(); |
1639
|
|
|
} |
1640
|
|
|
|
1641
|
1 |
|
return $value; |
1642
|
2 |
|
}, $this->items); |
1643
|
|
|
} |
1644
|
|
|
|
1645
|
|
|
/** |
1646
|
|
|
* Get the collection of items as JSON. |
1647
|
|
|
* |
1648
|
|
|
* @param int $options |
1649
|
|
|
* @return string |
1650
|
|
|
*/ |
1651
|
2 |
|
public function toJson($options = 0) |
1652
|
|
|
{ |
1653
|
2 |
|
return json_encode($this->jsonSerialize(), $options); |
1654
|
|
|
} |
1655
|
|
|
|
1656
|
|
|
/** |
1657
|
|
|
* Get an iterator for the items. |
1658
|
|
|
* |
1659
|
|
|
* @return \ArrayIterator |
1660
|
|
|
*/ |
1661
|
5 |
|
public function getIterator() |
1662
|
|
|
{ |
1663
|
5 |
|
return new ArrayIterator($this->items); |
1664
|
|
|
} |
1665
|
|
|
|
1666
|
|
|
/** |
1667
|
|
|
* Get a CachingIterator instance. |
1668
|
|
|
* |
1669
|
|
|
* @param int $flags |
1670
|
|
|
* @return \CachingIterator |
1671
|
|
|
*/ |
1672
|
1 |
|
public function getCachingIterator($flags = CachingIterator::CALL_TOSTRING) |
1673
|
|
|
{ |
1674
|
1 |
|
return new CachingIterator($this->getIterator(), $flags); |
1675
|
|
|
} |
1676
|
|
|
|
1677
|
|
|
/** |
1678
|
|
|
* Count the number of items in the collection. |
1679
|
|
|
* |
1680
|
|
|
* @return int |
1681
|
|
|
*/ |
1682
|
21 |
|
public function count() |
1683
|
|
|
{ |
1684
|
21 |
|
return count($this->items); |
1685
|
|
|
} |
1686
|
|
|
|
1687
|
|
|
/** |
1688
|
|
|
* Get a base Support collection instance from this collection. |
1689
|
|
|
* |
1690
|
|
|
* @return \IlluminateAgnostic\Arr\Support\Collection |
1691
|
|
|
*/ |
1692
|
|
|
public function toBase() |
1693
|
|
|
{ |
1694
|
|
|
return new self($this); |
1695
|
|
|
} |
1696
|
|
|
|
1697
|
|
|
/** |
1698
|
|
|
* Determine if an item exists at an offset. |
1699
|
|
|
* |
1700
|
|
|
* @param mixed $key |
1701
|
|
|
* @return bool |
1702
|
|
|
*/ |
1703
|
16 |
|
public function offsetExists($key) |
1704
|
|
|
{ |
1705
|
16 |
|
return array_key_exists($key, $this->items); |
1706
|
|
|
} |
1707
|
|
|
|
1708
|
|
|
/** |
1709
|
|
|
* Get an item at a given offset. |
1710
|
|
|
* |
1711
|
|
|
* @param mixed $key |
1712
|
|
|
* @return mixed |
1713
|
|
|
*/ |
1714
|
17 |
|
public function offsetGet($key) |
1715
|
|
|
{ |
1716
|
17 |
|
return $this->items[$key]; |
1717
|
|
|
} |
1718
|
|
|
|
1719
|
|
|
/** |
1720
|
|
|
* Set the item at a given offset. |
1721
|
|
|
* |
1722
|
|
|
* @param mixed $key |
1723
|
|
|
* @param mixed $value |
1724
|
|
|
* @return void |
1725
|
|
|
*/ |
1726
|
30 |
|
public function offsetSet($key, $value) |
1727
|
|
|
{ |
1728
|
30 |
|
if (is_null($key)) { |
1729
|
15 |
|
$this->items[] = $value; |
1730
|
|
|
} else { |
1731
|
17 |
|
$this->items[$key] = $value; |
1732
|
|
|
} |
1733
|
30 |
|
} |
1734
|
|
|
|
1735
|
|
|
/** |
1736
|
|
|
* Unset the item at a given offset. |
1737
|
|
|
* |
1738
|
|
|
* @param string $key |
1739
|
|
|
* @return void |
1740
|
|
|
*/ |
1741
|
4 |
|
public function offsetUnset($key) |
1742
|
|
|
{ |
1743
|
4 |
|
unset($this->items[$key]); |
1744
|
4 |
|
} |
1745
|
|
|
|
1746
|
|
|
/** |
1747
|
|
|
* Convert the collection to its string representation. |
1748
|
|
|
* |
1749
|
|
|
* @return string |
1750
|
|
|
*/ |
1751
|
1 |
|
public function __toString() |
1752
|
|
|
{ |
1753
|
1 |
|
return $this->toJson(); |
1754
|
|
|
} |
1755
|
|
|
|
1756
|
|
|
/** |
1757
|
|
|
* Results array of items from Collection or Arrayable. |
1758
|
|
|
* |
1759
|
|
|
* @param mixed $items |
1760
|
|
|
* @return array |
1761
|
|
|
*/ |
1762
|
208 |
|
protected function getArrayableItems($items) |
1763
|
|
|
{ |
1764
|
208 |
|
if (is_array($items)) { |
1765
|
202 |
|
return $items; |
1766
|
31 |
|
} elseif ($items instanceof self) { |
1767
|
17 |
|
return $items->all(); |
1768
|
15 |
|
} elseif ($items instanceof Arrayable) { |
1769
|
1 |
|
return $items->toArray(); |
1770
|
15 |
|
} elseif ($items instanceof Jsonable) { |
1771
|
1 |
|
return json_decode($items->toJson(), true); |
1772
|
15 |
|
} elseif ($items instanceof JsonSerializable) { |
|
|
|
|
1773
|
1 |
|
return $items->jsonSerialize(); |
1774
|
14 |
|
} elseif ($items instanceof Traversable) { |
1775
|
2 |
|
return iterator_to_array($items); |
1776
|
|
|
} |
1777
|
|
|
|
1778
|
12 |
|
return (array) $items; |
1779
|
|
|
} |
1780
|
|
|
|
1781
|
|
|
/** |
1782
|
|
|
* Add a method to the list of proxied methods. |
1783
|
|
|
* |
1784
|
|
|
* @param string $method |
1785
|
|
|
* @return void |
1786
|
|
|
*/ |
1787
|
1 |
|
public static function proxy($method) |
1788
|
|
|
{ |
1789
|
1 |
|
static::$proxies[] = $method; |
1790
|
1 |
|
} |
1791
|
|
|
|
1792
|
|
|
/** |
1793
|
|
|
* Dynamically access collection proxies. |
1794
|
|
|
* |
1795
|
|
|
* @param string $key |
1796
|
|
|
* @return mixed |
1797
|
|
|
* |
1798
|
|
|
* @throws \Exception |
1799
|
|
|
*/ |
1800
|
12 |
|
public function __get($key) |
1801
|
|
|
{ |
1802
|
12 |
|
if (! in_array($key, static::$proxies)) { |
1803
|
1 |
|
throw new Exception("Property [{$key}] does not exist on this collection instance."); |
1804
|
|
|
} |
1805
|
|
|
|
1806
|
11 |
|
return new HigherOrderCollectionProxy($this, $key); |
1807
|
|
|
} |
1808
|
|
|
} |
1809
|
|
|
|
Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.