home/alospiesjs/www/apis/youtube/vendor/illuminate/collections/Collection.php000060400000126371151155310400023707 0ustar00 * @implements \Illuminate\Support\Enumerable */ class Collection implements ArrayAccess, CanBeEscapedWhenCastToString, Enumerable { /** * @use \Illuminate\Support\Traits\EnumeratesValues */ use EnumeratesValues, Macroable; /** * The items contained in the collection. * * @var array */ protected $items = []; /** * Create a new collection. * * @param \Illuminate\Contracts\Support\Arrayable|iterable|null $items * @return void */ public function __construct($items = []) { $this->items = $this->getArrayableItems($items); } /** * Create a collection with the given range. * * @param int $from * @param int $to * @return static */ public static function range($from, $to) { return new static(range($from, $to)); } /** * Get all of the items in the collection. * * @return array */ public function all() { return $this->items; } /** * Get a lazy collection for the items in this collection. * * @return \Illuminate\Support\LazyCollection */ public function lazy() { return new LazyCollection($this->items); } /** * Get the average value of a given key. * * @param (callable(TValue): float|int)|string|null $callback * @return float|int|null */ public function avg($callback = null) { $callback = $this->valueRetriever($callback); $items = $this->map(function ($value) use ($callback) { return $callback($value); })->filter(function ($value) { return ! is_null($value); }); if ($count = $items->count()) { return $items->sum() / $count; } } /** * Get the median of a given key. * * @param string|array|null $key * @return float|int|null */ public function median($key = null) { $values = (isset($key) ? $this->pluck($key) : $this) ->filter(function ($item) { return ! is_null($item); })->sort()->values(); $count = $values->count(); if ($count === 0) { return; } $middle = (int) ($count / 2); if ($count % 2) { return $values->get($middle); } return (new static([ $values->get($middle - 1), $values->get($middle), ]))->average(); } /** * Get the mode of a given key. * * @param string|array|null $key * @return array|null */ public function mode($key = null) { if ($this->count() === 0) { return; } $collection = isset($key) ? $this->pluck($key) : $this; $counts = new static; $collection->each(function ($value) use ($counts) { $counts[$value] = isset($counts[$value]) ? $counts[$value] + 1 : 1; }); $sorted = $counts->sort(); $highestValue = $sorted->last(); return $sorted->filter(function ($value) use ($highestValue) { return $value == $highestValue; })->sort()->keys()->all(); } /** * Collapse the collection of items into a single array. * * @return static */ public function collapse() { return new static(Arr::collapse($this->items)); } /** * Determine if an item exists in the collection. * * @param (callable(TValue, TKey): bool)|TValue|string $key * @param mixed $operator * @param mixed $value * @return bool */ public function contains($key, $operator = null, $value = null) { if (func_num_args() === 1) { if ($this->useAsCallable($key)) { $placeholder = new stdClass; return $this->first($key, $placeholder) !== $placeholder; } return in_array($key, $this->items); } return $this->contains($this->operatorForWhere(...func_get_args())); } /** * Determine if an item is not contained in the collection. * * @param mixed $key * @param mixed $operator * @param mixed $value * @return bool */ public function doesntContain($key, $operator = null, $value = null) { return ! $this->contains(...func_get_args()); } /** * Cross join with the given lists, returning all possible permutations. * * @template TCrossJoinKey * @template TCrossJoinValue * * @param \Illuminate\Contracts\Support\Arrayable|iterable ...$lists * @return static> */ public function crossJoin(...$lists) { return new static(Arr::crossJoin( $this->items, ...array_map([$this, 'getArrayableItems'], $lists) )); } /** * Get the items in the collection that are not present in the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function diff($items) { return new static(array_diff($this->items, $this->getArrayableItems($items))); } /** * Get the items in the collection that are not present in the given items, using the callback. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @param callable(TValue, TValue): int $callback * @return static */ public function diffUsing($items, callable $callback) { return new static(array_udiff($this->items, $this->getArrayableItems($items), $callback)); } /** * Get the items in the collection whose keys and values are not present in the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function diffAssoc($items) { return new static(array_diff_assoc($this->items, $this->getArrayableItems($items))); } /** * Get the items in the collection whose keys and values are not present in the given items, using the callback. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @param callable(TKey, TKey): int $callback * @return static */ public function diffAssocUsing($items, callable $callback) { return new static(array_diff_uassoc($this->items, $this->getArrayableItems($items), $callback)); } /** * Get the items in the collection whose keys are not present in the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function diffKeys($items) { return new static(array_diff_key($this->items, $this->getArrayableItems($items))); } /** * Get the items in the collection whose keys are not present in the given items, using the callback. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @param callable(TKey, TKey): int $callback * @return static */ public function diffKeysUsing($items, callable $callback) { return new static(array_diff_ukey($this->items, $this->getArrayableItems($items), $callback)); } /** * Retrieve duplicate items from the collection. * * @param (callable(TValue): bool)|string|null $callback * @param bool $strict * @return static */ public function duplicates($callback = null, $strict = false) { $items = $this->map($this->valueRetriever($callback)); $uniqueItems = $items->unique(null, $strict); $compare = $this->duplicateComparator($strict); $duplicates = new static; foreach ($items as $key => $value) { if ($uniqueItems->isNotEmpty() && $compare($value, $uniqueItems->first())) { $uniqueItems->shift(); } else { $duplicates[$key] = $value; } } return $duplicates; } /** * Retrieve duplicate items from the collection using strict comparison. * * @param (callable(TValue): bool)|string|null $callback * @return static */ public function duplicatesStrict($callback = null) { return $this->duplicates($callback, true); } /** * Get the comparison function to detect duplicates. * * @param bool $strict * @return callable(TValue, TValue): bool */ protected function duplicateComparator($strict) { if ($strict) { return function ($a, $b) { return $a === $b; }; } return function ($a, $b) { return $a == $b; }; } /** * Get all items except for those with the specified keys. * * @param \Illuminate\Support\Enumerable|array $keys * @return static */ public function except($keys) { if ($keys instanceof Enumerable) { $keys = $keys->all(); } elseif (! is_array($keys)) { $keys = func_get_args(); } return new static(Arr::except($this->items, $keys)); } /** * Run a filter over each of the items. * * @param (callable(TValue, TKey): bool)|null $callback * @return static */ public function filter(callable $callback = null) { if ($callback) { return new static(Arr::where($this->items, $callback)); } return new static(array_filter($this->items)); } /** * Get the first item from the collection passing the given truth test. * * @template TFirstDefault * * @param (callable(TValue, TKey): bool)|null $callback * @param TFirstDefault|(\Closure(): TFirstDefault) $default * @return TValue|TFirstDefault */ public function first(callable $callback = null, $default = null) { return Arr::first($this->items, $callback, $default); } /** * Get a flattened array of the items in the collection. * * @param int $depth * @return static */ public function flatten($depth = INF) { return new static(Arr::flatten($this->items, $depth)); } /** * Flip the items in the collection. * * @return static */ public function flip() { return new static(array_flip($this->items)); } /** * Remove an item from the collection by key. * * @param TKey|array $keys * @return $this */ public function forget($keys) { foreach ((array) $keys as $key) { $this->offsetUnset($key); } return $this; } /** * Get an item from the collection by key. * * @template TGetDefault * * @param TKey $key * @param TGetDefault|(\Closure(): TGetDefault) $default * @return TValue|TGetDefault */ public function get($key, $default = null) { if (array_key_exists($key, $this->items)) { return $this->items[$key]; } return value($default); } /** * Get an item from the collection by key or add it to collection if it does not exist. * * @param mixed $key * @param mixed $value * @return mixed */ public function getOrPut($key, $value) { if (array_key_exists($key, $this->items)) { return $this->items[$key]; } $this->offsetSet($key, $value = value($value)); return $value; } /** * Group an associative array by a field or using a callback. * * @param (callable(TValue, TKey): array-key)|array|string $groupBy * @param bool $preserveKeys * @return static> */ public function groupBy($groupBy, $preserveKeys = false) { if (! $this->useAsCallable($groupBy) && is_array($groupBy)) { $nextGroups = $groupBy; $groupBy = array_shift($nextGroups); } $groupBy = $this->valueRetriever($groupBy); $results = []; foreach ($this->items as $key => $value) { $groupKeys = $groupBy($value, $key); if (! is_array($groupKeys)) { $groupKeys = [$groupKeys]; } foreach ($groupKeys as $groupKey) { $groupKey = match (true) { is_bool($groupKey) => (int) $groupKey, $groupKey instanceof \Stringable => (string) $groupKey, default => $groupKey, }; if (! array_key_exists($groupKey, $results)) { $results[$groupKey] = new static; } $results[$groupKey]->offsetSet($preserveKeys ? $key : null, $value); } } $result = new static($results); if (! empty($nextGroups)) { return $result->map->groupBy($nextGroups, $preserveKeys); } return $result; } /** * Key an associative array by a field or using a callback. * * @param (callable(TValue, TKey): array-key)|array|string $keyBy * @return static */ public function keyBy($keyBy) { $keyBy = $this->valueRetriever($keyBy); $results = []; foreach ($this->items as $key => $item) { $resolvedKey = $keyBy($item, $key); if (is_object($resolvedKey)) { $resolvedKey = (string) $resolvedKey; } $results[$resolvedKey] = $item; } return new static($results); } /** * Determine if an item exists in the collection by key. * * @param TKey|array $key * @return bool */ public function has($key) { $keys = is_array($key) ? $key : func_get_args(); foreach ($keys as $value) { if (! array_key_exists($value, $this->items)) { return false; } } return true; } /** * Determine if any of the keys exist in the collection. * * @param mixed $key * @return bool */ public function hasAny($key) { if ($this->isEmpty()) { return false; } $keys = is_array($key) ? $key : func_get_args(); foreach ($keys as $value) { if ($this->has($value)) { return true; } } return false; } /** * Concatenate values of a given key as a string. * * @param callable|string $value * @param string|null $glue * @return string */ public function implode($value, $glue = null) { if ($this->useAsCallable($value)) { return implode($glue ?? '', $this->map($value)->all()); } $first = $this->first(); if (is_array($first) || (is_object($first) && ! $first instanceof Stringable)) { return implode($glue ?? '', $this->pluck($value)->all()); } return implode($value ?? '', $this->items); } /** * Intersect the collection with the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function intersect($items) { return new static(array_intersect($this->items, $this->getArrayableItems($items))); } /** * Intersect the collection with the given items by key. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function intersectByKeys($items) { return new static(array_intersect_key( $this->items, $this->getArrayableItems($items) )); } /** * Determine if the collection is empty or not. * * @return bool */ public function isEmpty() { return empty($this->items); } /** * Determine if the collection contains a single item. * * @return bool */ public function containsOneItem() { return $this->count() === 1; } /** * Join all items from the collection using a string. The final items can use a separate glue string. * * @param string $glue * @param string $finalGlue * @return string */ public function join($glue, $finalGlue = '') { if ($finalGlue === '') { return $this->implode($glue); } $count = $this->count(); if ($count === 0) { return ''; } if ($count === 1) { return $this->last(); } $collection = new static($this->items); $finalItem = $collection->pop(); return $collection->implode($glue).$finalGlue.$finalItem; } /** * Get the keys of the collection items. * * @return static */ public function keys() { return new static(array_keys($this->items)); } /** * Get the last item from the collection. * * @template TLastDefault * * @param (callable(TValue, TKey): bool)|null $callback * @param TLastDefault|(\Closure(): TLastDefault) $default * @return TValue|TLastDefault */ public function last(callable $callback = null, $default = null) { return Arr::last($this->items, $callback, $default); } /** * Get the values of a given key. * * @param string|int|array $value * @param string|null $key * @return static */ public function pluck($value, $key = null) { return new static(Arr::pluck($this->items, $value, $key)); } /** * Run a map over each of the items. * * @template TMapValue * * @param callable(TValue, TKey): TMapValue $callback * @return static */ public function map(callable $callback) { return new static(Arr::map($this->items, $callback)); } /** * Run a dictionary map over the items. * * The callback should return an associative array with a single key/value pair. * * @template TMapToDictionaryKey of array-key * @template TMapToDictionaryValue * * @param callable(TValue, TKey): array $callback * @return static> */ public function mapToDictionary(callable $callback) { $dictionary = []; foreach ($this->items as $key => $item) { $pair = $callback($item, $key); $key = key($pair); $value = reset($pair); if (! isset($dictionary[$key])) { $dictionary[$key] = []; } $dictionary[$key][] = $value; } return new static($dictionary); } /** * Run an associative map over each of the items. * * The callback should return an associative array with a single key/value pair. * * @template TMapWithKeysKey of array-key * @template TMapWithKeysValue * * @param callable(TValue, TKey): array $callback * @return static */ public function mapWithKeys(callable $callback) { $result = []; foreach ($this->items as $key => $value) { $assoc = $callback($value, $key); foreach ($assoc as $mapKey => $mapValue) { $result[$mapKey] = $mapValue; } } return new static($result); } /** * Merge the collection with the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function merge($items) { return new static(array_merge($this->items, $this->getArrayableItems($items))); } /** * Recursively merge the collection with the given items. * * @template TMergeRecursiveValue * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function mergeRecursive($items) { return new static(array_merge_recursive($this->items, $this->getArrayableItems($items))); } /** * Create a collection by using this collection for keys and another for its values. * * @template TCombineValue * * @param \Illuminate\Contracts\Support\Arrayable|iterable $values * @return static */ public function combine($values) { return new static(array_combine($this->all(), $this->getArrayableItems($values))); } /** * Union the collection with the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function union($items) { return new static($this->items + $this->getArrayableItems($items)); } /** * Create a new collection consisting of every n-th element. * * @param int $step * @param int $offset * @return static */ public function nth($step, $offset = 0) { $new = []; $position = 0; foreach ($this->slice($offset)->items as $item) { if ($position % $step === 0) { $new[] = $item; } $position++; } return new static($new); } /** * Get the items with the specified keys. * * @param \Illuminate\Support\Enumerable|array|string $keys * @return static */ public function only($keys) { if (is_null($keys)) { return new static($this->items); } if ($keys instanceof Enumerable) { $keys = $keys->all(); } $keys = is_array($keys) ? $keys : func_get_args(); return new static(Arr::only($this->items, $keys)); } /** * Get and remove the last N items from the collection. * * @param int $count * @return static|TValue|null */ public function pop($count = 1) { if ($count === 1) { return array_pop($this->items); } if ($this->isEmpty()) { return new static; } $results = []; $collectionCount = $this->count(); foreach (range(1, min($count, $collectionCount)) as $item) { array_push($results, array_pop($this->items)); } return new static($results); } /** * Push an item onto the beginning of the collection. * * @param TValue $value * @param TKey $key * @return $this */ public function prepend($value, $key = null) { $this->items = Arr::prepend($this->items, ...func_get_args()); return $this; } /** * Push one or more items onto the end of the collection. * * @param TValue ...$values * @return $this */ public function push(...$values) { foreach ($values as $value) { $this->items[] = $value; } return $this; } /** * Push all of the given items onto the collection. * * @param iterable $source * @return static */ public function concat($source) { $result = new static($this); foreach ($source as $item) { $result->push($item); } return $result; } /** * Get and remove an item from the collection. * * @template TPullDefault * * @param TKey $key * @param TPullDefault|(\Closure(): TPullDefault) $default * @return TValue|TPullDefault */ public function pull($key, $default = null) { return Arr::pull($this->items, $key, $default); } /** * Put an item in the collection by key. * * @param TKey $key * @param TValue $value * @return $this */ public function put($key, $value) { $this->offsetSet($key, $value); return $this; } /** * Get one or a specified number of items randomly from the collection. * * @param int|null $number * @return static|TValue * * @throws \InvalidArgumentException */ public function random($number = null) { if (is_null($number)) { return Arr::random($this->items); } return new static(Arr::random($this->items, $number)); } /** * Replace the collection items with the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function replace($items) { return new static(array_replace($this->items, $this->getArrayableItems($items))); } /** * Recursively replace the collection items with the given items. * * @param \Illuminate\Contracts\Support\Arrayable|iterable $items * @return static */ public function replaceRecursive($items) { return new static(array_replace_recursive($this->items, $this->getArrayableItems($items))); } /** * Reverse items order. * * @return static */ public function reverse() { return new static(array_reverse($this->items, true)); } /** * Search the collection for a given value and return the corresponding key if successful. * * @param TValue|(callable(TValue,TKey): bool) $value * @param bool $strict * @return TKey|bool */ public function search($value, $strict = false) { if (! $this->useAsCallable($value)) { return array_search($value, $this->items, $strict); } foreach ($this->items as $key => $item) { if ($value($item, $key)) { return $key; } } return false; } /** * Get and remove the first N items from the collection. * * @param int $count * @return static|TValue|null */ public function shift($count = 1) { if ($count === 1) { return array_shift($this->items); } if ($this->isEmpty()) { return new static; } $results = []; $collectionCount = $this->count(); foreach (range(1, min($count, $collectionCount)) as $item) { array_push($results, array_shift($this->items)); } return new static($results); } /** * Shuffle the items in the collection. * * @param int|null $seed * @return static */ public function shuffle($seed = null) { return new static(Arr::shuffle($this->items, $seed)); } /** * Create chunks representing a "sliding window" view of the items in the collection. * * @param int $size * @param int $step * @return static */ public function sliding($size = 2, $step = 1) { $chunks = floor(($this->count() - $size) / $step) + 1; return static::times($chunks, function ($number) use ($size, $step) { return $this->slice(($number - 1) * $step, $size); }); } /** * Skip the first {$count} items. * * @param int $count * @return static */ public function skip($count) { return $this->slice($count); } /** * Skip items in the collection until the given condition is met. * * @param TValue|callable(TValue,TKey): bool $value * @return static */ public function skipUntil($value) { return new static($this->lazy()->skipUntil($value)->all()); } /** * Skip items in the collection while the given condition is met. * * @param TValue|callable(TValue,TKey): bool $value * @return static */ public function skipWhile($value) { return new static($this->lazy()->skipWhile($value)->all()); } /** * Slice the underlying collection array. * * @param int $offset * @param int|null $length * @return static */ public function slice($offset, $length = null) { return new static(array_slice($this->items, $offset, $length, true)); } /** * Split a collection into a certain number of groups. * * @param int $numberOfGroups * @return static */ public function split($numberOfGroups) { if ($this->isEmpty()) { return new static; } $groups = new static; $groupSize = floor($this->count() / $numberOfGroups); $remain = $this->count() % $numberOfGroups; $start = 0; for ($i = 0; $i < $numberOfGroups; $i++) { $size = $groupSize; if ($i < $remain) { $size++; } if ($size) { $groups->push(new static(array_slice($this->items, $start, $size))); $start += $size; } } return $groups; } /** * Split a collection into a certain number of groups, and fill the first groups completely. * * @param int $numberOfGroups * @return static */ public function splitIn($numberOfGroups) { return $this->chunk(ceil($this->count() / $numberOfGroups)); } /** * Get the first item in the collection, but only if exactly one item exists. Otherwise, throw an exception. * * @param (callable(TValue, TKey): bool)|string $key * @param mixed $operator * @param mixed $value * @return TValue * * @throws \Illuminate\Support\ItemNotFoundException * @throws \Illuminate\Support\MultipleItemsFoundException */ public function sole($key = null, $operator = null, $value = null) { $filter = func_num_args() > 1 ? $this->operatorForWhere(...func_get_args()) : $key; $items = $this->unless($filter == null)->filter($filter); $count = $items->count(); if ($count === 0) { throw new ItemNotFoundException; } if ($count > 1) { throw new MultipleItemsFoundException($count); } return $items->first(); } /** * Get the first item in the collection but throw an exception if no matching items exist. * * @param (callable(TValue, TKey): bool)|string $key * @param mixed $operator * @param mixed $value * @return TValue * * @throws \Illuminate\Support\ItemNotFoundException */ public function firstOrFail($key = null, $operator = null, $value = null) { $filter = func_num_args() > 1 ? $this->operatorForWhere(...func_get_args()) : $key; $placeholder = new stdClass(); $item = $this->first($filter, $placeholder); if ($item === $placeholder) { throw new ItemNotFoundException; } return $item; } /** * Chunk the collection into chunks of the given size. * * @param int $size * @return static */ public function chunk($size) { if ($size <= 0) { return new static; } $chunks = []; foreach (array_chunk($this->items, $size, true) as $chunk) { $chunks[] = new static($chunk); } return new static($chunks); } /** * Chunk the collection into chunks with a callback. * * @param callable(TValue, TKey, static): bool $callback * @return static> */ public function chunkWhile(callable $callback) { return new static( $this->lazy()->chunkWhile($callback)->mapInto(static::class) ); } /** * Sort through each item with a callback. * * @param (callable(TValue, TValue): int)|null|int $callback * @return static */ public function sort($callback = null) { $items = $this->items; $callback && is_callable($callback) ? uasort($items, $callback) : asort($items, $callback ?? SORT_REGULAR); return new static($items); } /** * Sort items in descending order. * * @param int $options * @return static */ public function sortDesc($options = SORT_REGULAR) { $items = $this->items; arsort($items, $options); return new static($items); } /** * Sort the collection using the given callback. * * @param array|(callable(TValue, TKey): mixed)|string $callback * @param int $options * @param bool $descending * @return static */ public function sortBy($callback, $options = SORT_REGULAR, $descending = false) { if (is_array($callback) && ! is_callable($callback)) { return $this->sortByMany($callback); } $results = []; $callback = $this->valueRetriever($callback); // First we will loop through the items and get the comparator from a callback // function which we were given. Then, we will sort the returned values and // grab all the corresponding values for the sorted keys from this array. foreach ($this->items as $key => $value) { $results[$key] = $callback($value, $key); } $descending ? arsort($results, $options) : asort($results, $options); // Once we have sorted all of the keys in the array, we will loop through them // and grab the corresponding model so we can set the underlying items list // to the sorted version. Then we'll just return the collection instance. foreach (array_keys($results) as $key) { $results[$key] = $this->items[$key]; } return new static($results); } /** * Sort the collection using multiple comparisons. * * @param array $comparisons * @return static */ protected function sortByMany(array $comparisons = []) { $items = $this->items; usort($items, function ($a, $b) use ($comparisons) { foreach ($comparisons as $comparison) { $comparison = Arr::wrap($comparison); $prop = $comparison[0]; $ascending = Arr::get($comparison, 1, true) === true || Arr::get($comparison, 1, true) === 'asc'; if (! is_string($prop) && is_callable($prop)) { $result = $prop($a, $b); } else { $values = [data_get($a, $prop), data_get($b, $prop)]; if (! $ascending) { $values = array_reverse($values); } $result = $values[0] <=> $values[1]; } if ($result === 0) { continue; } return $result; } }); return new static($items); } /** * Sort the collection in descending order using the given callback. * * @param array|(callable(TValue, TKey): mixed)|string $callback * @param int $options * @return static */ public function sortByDesc($callback, $options = SORT_REGULAR) { return $this->sortBy($callback, $options, true); } /** * Sort the collection keys. * * @param int $options * @param bool $descending * @return static */ public function sortKeys($options = SORT_REGULAR, $descending = false) { $items = $this->items; $descending ? krsort($items, $options) : ksort($items, $options); return new static($items); } /** * Sort the collection keys in descending order. * * @param int $options * @return static */ public function sortKeysDesc($options = SORT_REGULAR) { return $this->sortKeys($options, true); } /** * Sort the collection keys using a callback. * * @param callable(TKey, TKey): int $callback * @return static */ public function sortKeysUsing(callable $callback) { $items = $this->items; uksort($items, $callback); return new static($items); } /** * Splice a portion of the underlying collection array. * * @param int $offset * @param int|null $length * @param array $replacement * @return static */ public function splice($offset, $length = null, $replacement = []) { if (func_num_args() === 1) { return new static(array_splice($this->items, $offset)); } return new static(array_splice($this->items, $offset, $length, $this->getArrayableItems($replacement))); } /** * Take the first or last {$limit} items. * * @param int $limit * @return static */ public function take($limit) { if ($limit < 0) { return $this->slice($limit, abs($limit)); } return $this->slice(0, $limit); } /** * Take items in the collection until the given condition is met. * * @param TValue|callable(TValue,TKey): bool $value * @return static */ public function takeUntil($value) { return new static($this->lazy()->takeUntil($value)->all()); } /** * Take items in the collection while the given condition is met. * * @param TValue|callable(TValue,TKey): bool $value * @return static */ public function takeWhile($value) { return new static($this->lazy()->takeWhile($value)->all()); } /** * Transform each item in the collection using a callback. * * @param callable(TValue, TKey): TValue $callback * @return $this */ public function transform(callable $callback) { $this->items = $this->map($callback)->all(); return $this; } /** * Convert a flatten "dot" notation array into an expanded array. * * @return static */ public function undot() { return new static(Arr::undot($this->all())); } /** * Return only unique items from the collection array. * * @param (callable(TValue, TKey): mixed)|string|null $key * @param bool $strict * @return static */ public function unique($key = null, $strict = false) { if (is_null($key) && $strict === false) { return new static(array_unique($this->items, SORT_REGULAR)); } $callback = $this->valueRetriever($key); $exists = []; return $this->reject(function ($item, $key) use ($callback, $strict, &$exists) { if (in_array($id = $callback($item, $key), $exists, $strict)) { return true; } $exists[] = $id; }); } /** * Reset the keys on the underlying array. * * @return static */ public function values() { return new static(array_values($this->items)); } /** * Zip the collection together with one or more arrays. * * e.g. new Collection([1, 2, 3])->zip([4, 5, 6]); * => [[1, 4], [2, 5], [3, 6]] * * @template TZipValue * * @param \Illuminate\Contracts\Support\Arrayable|iterable ...$items * @return static> */ public function zip($items) { $arrayableItems = array_map(function ($items) { return $this->getArrayableItems($items); }, func_get_args()); $params = array_merge([function () { return new static(func_get_args()); }, $this->items], $arrayableItems); return new static(array_map(...$params)); } /** * Pad collection to the specified length with a value. * * @template TPadValue * * @param int $size * @param TPadValue $value * @return static */ public function pad($size, $value) { return new static(array_pad($this->items, $size, $value)); } /** * Get an iterator for the items. * * @return \ArrayIterator */ public function getIterator(): Traversable { return new ArrayIterator($this->items); } /** * Count the number of items in the collection. * * @return int */ public function count(): int { return count($this->items); } /** * Count the number of items in the collection by a field or using a callback. * * @param (callable(TValue, TKey): mixed)|string|null $countBy * @return static */ public function countBy($countBy = null) { return new static($this->lazy()->countBy($countBy)->all()); } /** * Add an item to the collection. * * @param TValue $item * @return $this */ public function add($item) { $this->items[] = $item; return $this; } /** * Get a base Support collection instance from this collection. * * @return \Illuminate\Support\Collection */ public function toBase() { return new self($this); } /** * Determine if an item exists at an offset. * * @param TKey $key * @return bool */ public function offsetExists($key): bool { return isset($this->items[$key]); } /** * Get an item at a given offset. * * @param TKey $key * @return TValue */ public function offsetGet($key): mixed { return $this->items[$key]; } /** * Set the item at a given offset. * * @param TKey|null $key * @param TValue $value * @return void */ public function offsetSet($key, $value): void { if (is_null($key)) { $this->items[] = $value; } else { $this->items[$key] = $value; } } /** * Unset the item at a given offset. * * @param TKey $key * @return void */ public function offsetUnset($key): void { unset($this->items[$key]); } }