LazyCollection
class LazyCollection implements Enumerable (View source)
Traits
Properties
Methods
Create a new collection instance if the value isn't one already.
Wrap the given value in a collection if applicable.
Get the underlying items from the given collection if applicable.
Alias for the "avg" method.
Alias for the "contains" method.
Determine if an item exists, using strict comparison.
Execute a callback over each nested chunk of items.
Determine if all items pass the given truth test.
Get the first item by the given key value pair.
Run a map over each nested chunk of items.
Run a grouping map over the items.
Map a collection and flatten the result by a single level.
Get the min value of a given key.
Get the max value of a given key.
"Paginate" the collection by slicing it into a smaller collection.
Partition the collection into two arrays using the given callback or key.
Get the sum of the given values.
Apply the callback if the value is truthy.
Apply the callback if the collection is empty.
Apply the callback if the collection is not empty.
Apply the callback if the value is falsy.
Apply the callback unless the collection is empty.
Apply the callback unless the collection is not empty.
Filter items by the given key value pair.
Filter items where the given key is not null.
Filter items where the given key is null.
Filter items by the given key value pair using strict comparison.
Filter items by the given key value pair.
Filter items by the given key value pair using strict comparison.
Filter items such that the value of the given key is between the given values.
Filter items such that the value of the given key is not between the given values.
Filter items by the given key value pair.
Filter items by the given key value pair using strict comparison.
Filter the items, removing any items that don't match the given type.
Pass the collection to the given callback and return the result.
Pass the collection to the given callback and then return it.
Create a collection of all elements that do not pass a given truth test.
Return only unique items from the collection array.
Return only unique items from the collection array using strict comparison.
Get a CachingIterator instance.
Count the number of items in the collection using a given truth test.
Add a method to the list of proxied methods.
Results array of items from Collection or Arrayable.
Get an operator checker callback.
Determine if the given value is callable, but not a string.
Get a value retrieving callback.
Mix another object into the class.
Dynamically handle calls to the class.
Dynamically handle calls to the class.
Create a new lazy collection instance.
Create a new instance with no items.
Create a new instance by invoking the callback a given amount of times.
Create an enumerable with the given range.
Get all items in the enumerable.
Eager load all items into a new lazy collection backed by an array.
Cache values as they're enumerated.
Get the average value of a given key.
Get the median of a given key.
Get the mode of a given key.
Collapse the collection of items into a single array.
Determine if an item exists in the enumerable.
Cross join the given iterables, returning all possible permutations.
Get the items that are not present in the given items.
Get the items that are not present in the given items, using the callback.
Get the items whose keys and values are not present in the given items.
Get the items whose keys and values are not present in the given items, using the callback.
Get the items whose keys are not present in the given items.
Get the items whose keys are not present in the given items, using the callback.
Retrieve duplicate items.
Retrieve duplicate items using strict comparison.
Get all items except for those with the specified keys.
Run a filter over each of the items.
Get the first item from the enumerable passing the given truth test.
Get a flattened list of the items in the collection.
Flip the items in the collection.
Get an item by key.
Group an associative array by a field or using a callback.
Key an associative array by a field or using a callback.
Determine if an item exists in the collection by key.
Concatenate values of a given key as a string.
Intersect the collection with the given items.
Intersect the collection with the given items by key.
Determine if the items is empty or not.
Join all items from the collection using a string. The final items can use a separate glue string.
Get the keys of the collection items.
Get the last item from the collection.
Get the values of a given key.
Run a map over each of the items.
Run a dictionary map over the items.
Run an associative map over each of the items.
Merge the collection with the given items.
Recursively merge the collection with the given items.
Create a collection by using this collection for keys and another for its values.
Union the collection with the given items.
Create a new collection consisting of every n-th element.
Get the items with the specified keys.
Push all of the given items onto the collection.
Get one or a specified number of items randomly from the collection.
Reduce the collection to a single value.
Replace the collection items with the given items.
Recursively replace the collection items with the given items.
Reverse items order.
Search the collection for a given value and return the corresponding key if successful.
Shuffle the items in the collection.
Skip the first {$count} items.
Get a slice of items from the enumerable.
Split a collection into a certain number of groups.
Chunk the collection into chunks of the given size.
Sort through each item with a callback.
Sort the collection using the given callback.
Sort the collection in descending order using the given callback.
Sort the collection keys.
Sort the collection keys in descending order.
Take the first or last {$limit} items.
Pass each item in the collection to the given callback, lazily.
Reset the keys on the underlying array.
Zip the collection together with one or more arrays.
Pad collection to the specified length with a value.
Get the values iterator.
Count the number of items in the collection.
Make an iterator from the given source.
Explode the "value" and "key" arguments passed to "pluck".
Pass this lazy collection through a method on the collection class.
Details
static EnumeratesValues
make(mixed $items = [])
Create a new collection instance if the value isn't one already.
static EnumeratesValues
wrap(mixed $value)
Wrap the given value in a collection if applicable.
static array
unwrap(array|EnumeratesValues $value)
Get the underlying items from the given collection if applicable.
mixed
average(callable|string|null $callback = null)
Alias for the "avg" method.
bool
some(mixed $key, mixed $operator = null, mixed $value = null)
Alias for the "contains" method.
bool
containsStrict(mixed $key, mixed $value = null)
Determine if an item exists, using strict comparison.
void
dd(mixed ...$args)
Dump the items and end the script.
$this
dump()
Dump the items.
$this
each(callable $callback)
Execute a callback over each item.
EnumeratesValues
eachSpread(callable $callback)
Execute a callback over each nested chunk of items.
bool
every(string|callable $key, mixed $operator = null, mixed $value = null)
Determine if all items pass the given truth test.
mixed
firstWhere(string $key, mixed $operator = null, mixed $value = null)
Get the first item by the given key value pair.
bool
isNotEmpty()
Determine if the collection is not empty.
EnumeratesValues
mapSpread(callable $callback)
Run a map over each nested chunk of items.
EnumeratesValues
mapToGroups(callable $callback)
Run a grouping map over the items.
The callback should return an associative array with a single key/value pair.
EnumeratesValues
flatMap(callable $callback)
Map a collection and flatten the result by a single level.
EnumeratesValues
mapInto(string $class)
Map the values into a new class.
mixed
min(callable|string|null $callback = null)
Get the min value of a given key.
mixed
max(callable|string|null $callback = null)
Get the max value of a given key.
EnumeratesValues
forPage(int $page, int $perPage)
"Paginate" the collection by slicing it into a smaller collection.
EnumeratesValues
partition(callable|string $key, mixed $operator = null, mixed $value = null)
Partition the collection into two arrays using the given callback or key.
mixed
sum(callable|string|null $callback = null)
Get the sum of the given values.
EnumeratesValues|mixed
when(bool|mixed $value, callable $callback, callable $default = null)
Apply the callback if the value is truthy.
EnumeratesValues|mixed
whenEmpty(callable $callback, callable $default = null)
Apply the callback if the collection is empty.
EnumeratesValues|mixed
whenNotEmpty(callable $callback, callable $default = null)
Apply the callback if the collection is not empty.
EnumeratesValues|mixed
unless(bool $value, callable $callback, callable $default = null)
Apply the callback if the value is falsy.
EnumeratesValues|mixed
unlessEmpty(callable $callback, callable $default = null)
Apply the callback unless the collection is empty.
EnumeratesValues|mixed
unlessNotEmpty(callable $callback, callable $default = null)
Apply the callback unless the collection is not empty.
EnumeratesValues
where(string $key, mixed $operator = null, mixed $value = null)
Filter items by the given key value pair.
EnumeratesValues
whereNull(string|null $key = null)
Filter items where the given key is not null.
EnumeratesValues
whereNotNull(string|null $key = null)
Filter items where the given key is null.
EnumeratesValues
whereStrict(string $key, mixed $value)
Filter items by the given key value pair using strict comparison.
EnumeratesValues
whereIn(string $key, mixed $values, bool $strict = false)
Filter items by the given key value pair.
EnumeratesValues
whereInStrict(string $key, mixed $values)
Filter items by the given key value pair using strict comparison.
EnumeratesValues
whereBetween(string $key, array $values)
Filter items such that the value of the given key is between the given values.
EnumeratesValues
whereNotBetween(string $key, array $values)
Filter items such that the value of the given key is not between the given values.
EnumeratesValues
whereNotIn(string $key, mixed $values, bool $strict = false)
Filter items by the given key value pair.
EnumeratesValues
whereNotInStrict(string $key, mixed $values)
Filter items by the given key value pair using strict comparison.
EnumeratesValues
whereInstanceOf(string $type)
Filter the items, removing any items that don't match the given type.
mixed
pipe(callable $callback)
Pass the collection to the given callback and return the result.
$this
tap(callable $callback)
Pass the collection to the given callback and then return it.
EnumeratesValues
reject(callable|mixed $callback = true)
Create a collection of all elements that do not pass a given truth test.
EnumeratesValues
unique(string|callable|null $key = null, bool $strict = false)
Return only unique items from the collection array.
EnumeratesValues
uniqueStrict(string|callable|null $key = null)
Return only unique items from the collection array using strict comparison.
Collection
collect()
Collect the values into a collection.
array
toArray()
Get the collection of items as a plain array.
array
jsonSerialize()
Convert the object into something JSON serializable.
string
toJson(int $options = 0)
Get the collection of items as JSON.
CachingIterator
getCachingIterator(int $flags = CachingIterator::CALL_TOSTRING)
Get a CachingIterator instance.
EnumeratesValues
countBy(callable|null $callback = null)
Count the number of items in the collection using a given truth test.
string
__toString()
Convert the collection to its string representation.
static void
proxy(string $method)
Add a method to the list of proxied methods.
mixed
__get(string $key)
Dynamically access collection proxies.
protected array
getArrayableItems(mixed $items)
Results array of items from Collection or Arrayable.
protected Closure
operatorForWhere(string $key, string|null $operator = null, mixed $value = null)
Get an operator checker callback.
protected bool
useAsCallable(mixed $value)
Determine if the given value is callable, but not a string.
protected callable
valueRetriever(callable|string|null $value)
Get a value retrieving callback.
static void
macro(string $name, object|callable $macro)
Register a custom macro.
static void
mixin(object $mixin, bool $replace = true)
Mix another object into the class.
static bool
hasMacro(string $name)
Checks if macro is registered.
static mixed
__callStatic(string $method, array $parameters)
Dynamically handle calls to the class.
mixed
__call(string $method, array $parameters)
Dynamically handle calls to the class.
void
__construct(mixed $source = null)
Create a new lazy collection instance.
static LazyCollection
empty()
Create a new instance with no items.
static Enumerable
times(int $number, callable $callback = null)
Create a new instance by invoking the callback a given amount of times.
static LazyCollection
range(int $from, int $to)
Create an enumerable with the given range.
array
all()
Get all items in the enumerable.
LazyCollection
eager()
Eager load all items into a new lazy collection backed by an array.
LazyCollection
remember()
Cache values as they're enumerated.
mixed
avg(callable|string|null $callback = null)
Get the average value of a given key.
mixed
median(string|array|null $key = null)
Get the median of a given key.
array|null
mode(string|array|null $key = null)
Get the mode of a given key.
Enumerable
collapse()
Collapse the collection of items into a single array.
bool
contains(mixed $key, mixed $operator = null, mixed $value = null)
Determine if an item exists in the enumerable.
LazyCollection
crossJoin(array ...$arrays)
Cross join the given iterables, returning all possible permutations.
Enumerable
diff(mixed $items)
Get the items that are not present in the given items.
Enumerable
diffUsing(mixed $items, callable $callback)
Get the items that are not present in the given items, using the callback.
Enumerable
diffAssoc(mixed $items)
Get the items whose keys and values are not present in the given items.
Enumerable
diffAssocUsing(mixed $items, callable $callback)
Get the items whose keys and values are not present in the given items, using the callback.
Enumerable
diffKeys(mixed $items)
Get the items whose keys are not present in the given items.
Enumerable
diffKeysUsing(mixed $items, callable $callback)
Get the items whose keys are not present in the given items, using the callback.
Enumerable
duplicates(callable|null $callback = null, bool $strict = false)
Retrieve duplicate items.
Enumerable
duplicatesStrict(callable|null $callback = null)
Retrieve duplicate items using strict comparison.
Enumerable
except(mixed $keys)
Get all items except for those with the specified keys.
Enumerable
filter(callable $callback = null)
Run a filter over each of the items.
mixed
first(callable $callback = null, mixed $default = null)
Get the first item from the enumerable passing the given truth test.
LazyCollection
flatten(int $depth = INF)
Get a flattened list of the items in the collection.
Enumerable
flip()
Flip the items in the collection.
mixed
get(mixed $key, mixed $default = null)
Get an item by key.
Enumerable
groupBy(array|callable|string $groupBy, bool $preserveKeys = false)
Group an associative array by a field or using a callback.
Enumerable
keyBy(callable|string $keyBy)
Key an associative array by a field or using a callback.
bool
has(mixed $key)
Determine if an item exists in the collection by key.
string
implode(string $value, string $glue = null)
Concatenate values of a given key as a string.
Enumerable
intersect(mixed $items)
Intersect the collection with the given items.
Enumerable
intersectByKeys(mixed $items)
Intersect the collection with the given items by key.
bool
isEmpty()
Determine if the items is empty or not.
string
join(string $glue, string $finalGlue = '')
Join all items from the collection using a string. The final items can use a separate glue string.
Enumerable
keys()
Get the keys of the collection items.
mixed
last(callable $callback = null, mixed $default = null)
Get the last item from the collection.
Enumerable
pluck(string|array $value, string|null $key = null)
Get the values of a given key.
Enumerable
map(callable $callback)
Run a map over each of the items.
Enumerable
mapToDictionary(callable $callback)
Run a dictionary map over the items.
The callback should return an associative array with a single key/value pair.
Enumerable
mapWithKeys(callable $callback)
Run an associative map over each of the items.
The callback should return an associative array with a single key/value pair.
Enumerable
merge(mixed $items)
Merge the collection with the given items.
Enumerable
mergeRecursive(mixed $items)
Recursively merge the collection with the given items.
Enumerable
combine(mixed $values)
Create a collection by using this collection for keys and another for its values.
Enumerable
union(mixed $items)
Union the collection with the given items.
Enumerable
nth(int $step, int $offset = 0)
Create a new collection consisting of every n-th element.
Enumerable
only(mixed $keys)
Get the items with the specified keys.
Enumerable
concat(iterable $source)
Push all of the given items onto the collection.
Enumerable|mixed
random(int|null $number = null)
Get one or a specified number of items randomly from the collection.
mixed
reduce(callable $callback, mixed $initial = null)
Reduce the collection to a single value.
Enumerable
replace(mixed $items)
Replace the collection items with the given items.
Enumerable
replaceRecursive(mixed $items)
Recursively replace the collection items with the given items.
Enumerable
reverse()
Reverse items order.
mixed
search(mixed $value, bool $strict = false)
Search the collection for a given value and return the corresponding key if successful.
Enumerable
shuffle(int $seed = null)
Shuffle the items in the collection.
Enumerable
skip(int $count)
Skip the first {$count} items.
Enumerable
slice(int $offset, int $length = null)
Get a slice of items from the enumerable.
Enumerable
split(int $numberOfGroups)
Split a collection into a certain number of groups.
Enumerable
chunk(int $size)
Chunk the collection into chunks of the given size.
Enumerable
sort(callable $callback = null)
Sort through each item with a callback.
Enumerable
sortBy(callable|string $callback, int $options = SORT_REGULAR, bool $descending = false)
Sort the collection using the given callback.
Enumerable
sortByDesc(callable|string $callback, int $options = SORT_REGULAR)
Sort the collection in descending order using the given callback.
Enumerable
sortKeys(int $options = SORT_REGULAR, bool $descending = false)
Sort the collection keys.
Enumerable
sortKeysDesc(int $options = SORT_REGULAR)
Sort the collection keys in descending order.
Enumerable
take(int $limit)
Take the first or last {$limit} items.
LazyCollection
tapEach(callable $callback)
Pass each item in the collection to the given callback, lazily.
Enumerable
values()
Reset the keys on the underlying array.
LazyCollection
zip(mixed $items)
Zip the collection together with one or more arrays.
e.g. new LazyCollection([1, 2, 3])->zip([4, 5, 6]); => [[1, 4], [2, 5], [3, 6]]
Enumerable
pad(int $size, mixed $value)
Pad collection to the specified length with a value.
Traversable
getIterator()
Get the values iterator.
int
count()
Count the number of items in the collection.
protected Traversable
makeIterator(mixed $source)
Make an iterator from the given source.
protected array
explodePluckParameters(string|array $value, string|array|null $key)
Explode the "value" and "key" arguments passed to "pluck".
protected LazyCollection
passthru(string $method, array $params)
Pass this lazy collection through a method on the collection class.
Laravel Cloud is the best place to deploy Laravel, Nuxt, Express, Hono, Node.js, Bun, Go, Flask, Python, and more, with dedicated infrastructure available on AWS through Laravel Private Cloud.