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/Laravel 8

Collection

class Collection extends Collection implements QueueableCollection (View source)

Traits

Properties

static protected string[]	$proxies	The methods that can be proxied.	from EnumeratesValues
static protected array	$macros	The registered string macros.	from Macroable
protected array	$items	The items contained in the collection.	from Collection

Methods

static EnumeratesValues

make(mixed $items = [])

Create a new collection instance if the value isn't one already.

from EnumeratesValues

static EnumeratesValues

wrap(mixed $value)

Wrap the given value in a collection if applicable.

from EnumeratesValues

static array

unwrap(array|EnumeratesValues $value)

Get the underlying items from the given collection if applicable.

from EnumeratesValues

static EnumeratesValues

empty()

Create a new instance with no items.

from EnumeratesValues

static EnumeratesValues

times(int $number, callable $callback = null)

Create a new collection by invoking the callback a given amount of times.

from EnumeratesValues

mixed

average(callable|string|null $callback = null)

Alias for the "avg" method.

from EnumeratesValues

bool

some(mixed $key, mixed $operator = null, mixed $value = null)

Alias for the "contains" method.

from EnumeratesValues

bool

containsStrict(mixed $key, mixed $value = null)

Determine if an item exists, using strict comparison.

from EnumeratesValues

void

dd(mixed ...$args)

Dump the items and end the script.

from EnumeratesValues

$this

dump()

Dump the items.

from EnumeratesValues

$this

each(callable $callback)

Execute a callback over each item.

from EnumeratesValues

EnumeratesValues

eachSpread(callable $callback)

Execute a callback over each nested chunk of items.

from EnumeratesValues

bool

every(string|callable $key, mixed $operator = null, mixed $value = null)

Determine if all items pass the given truth test.

from EnumeratesValues

mixed

firstWhere(string $key, mixed $operator = null, mixed $value = null)

Get the first item by the given key value pair.

from EnumeratesValues

bool

isNotEmpty()

Determine if the collection is not empty.

from EnumeratesValues

EnumeratesValues

mapSpread(callable $callback)

Run a map over each nested chunk of items.

from EnumeratesValues

EnumeratesValues

mapToGroups(callable $callback)

Run a grouping map over the items.

from EnumeratesValues

EnumeratesValues

flatMap(callable $callback)

Map a collection and flatten the result by a single level.

from EnumeratesValues

EnumeratesValues

mapInto(string $class)

Map the values into a new class.

from EnumeratesValues

mixed

min(callable|string|null $callback = null)

Get the min value of a given key.

from EnumeratesValues

mixed

max(callable|string|null $callback = null)

Get the max value of a given key.

from EnumeratesValues

EnumeratesValues

forPage(int $page, int $perPage)

"Paginate" the collection by slicing it into a smaller collection.

from EnumeratesValues

EnumeratesValues

partition(callable|string $key, mixed $operator = null, mixed $value = null)

Partition the collection into two arrays using the given callback or key.

from EnumeratesValues

mixed

sum(callable|string|null $callback = null)

Get the sum of the given values.

from EnumeratesValues

EnumeratesValues|mixed

when(bool|mixed $value, callable $callback = null, callable $default = null)

Apply the callback if the value is truthy.

from EnumeratesValues

EnumeratesValues|mixed

whenEmpty(callable $callback, callable $default = null)

Apply the callback if the collection is empty.

from EnumeratesValues

EnumeratesValues|mixed

whenNotEmpty(callable $callback, callable $default = null)

Apply the callback if the collection is not empty.

from EnumeratesValues

EnumeratesValues|mixed

unless(bool $value, callable $callback, callable $default = null)

Apply the callback if the value is falsy.

from EnumeratesValues

EnumeratesValues|mixed

unlessEmpty(callable $callback, callable $default = null)

Apply the callback unless the collection is empty.

from EnumeratesValues

EnumeratesValues|mixed

unlessNotEmpty(callable $callback, callable $default = null)

Apply the callback unless the collection is not empty.

from EnumeratesValues

EnumeratesValues

where(string $key, mixed $operator = null, mixed $value = null)

Filter items by the given key value pair.

from EnumeratesValues

EnumeratesValues

whereNull(string|null $key = null)

Filter items where the value for the given key is null.

from EnumeratesValues

EnumeratesValues

whereNotNull(string|null $key = null)

Filter items where the value for the given key is not null.

from EnumeratesValues

EnumeratesValues

whereStrict(string $key, mixed $value)

Filter items by the given key value pair using strict comparison.

from EnumeratesValues

EnumeratesValues

whereIn(string $key, mixed $values, bool $strict = false)

Filter items by the given key value pair.

from EnumeratesValues

EnumeratesValues

whereInStrict(string $key, mixed $values)

Filter items by the given key value pair using strict comparison.

from EnumeratesValues

EnumeratesValues

whereBetween(string $key, array $values)

Filter items such that the value of the given key is between the given values.

from EnumeratesValues

EnumeratesValues

whereNotBetween(string $key, array $values)

Filter items such that the value of the given key is not between the given values.

from EnumeratesValues

EnumeratesValues

whereNotIn(string $key, mixed $values, bool $strict = false)

Filter items by the given key value pair.

from EnumeratesValues

EnumeratesValues

whereNotInStrict(string $key, mixed $values)

Filter items by the given key value pair using strict comparison.

from EnumeratesValues

EnumeratesValues

whereInstanceOf(string $type)

Filter the items, removing any items that don't match the given type.

from EnumeratesValues

mixed

pipe(callable $callback)

Pass the collection to the given callback and return the result.

from EnumeratesValues

mixed

pipeInto(string $class)

Pass the collection into a new class.

from EnumeratesValues

$this

tap(callable $callback)

Pass the collection to the given callback and then return it.

from EnumeratesValues

EnumeratesValues

reject(callable|mixed $callback = true)

Create a collection of all elements that do not pass a given truth test.

from EnumeratesValues

EnumeratesValues

unique(string|callable|null $key = null, bool $strict = false)

Return only unique items from the collection.

EnumeratesValues

uniqueStrict(string|callable|null $key = null)

Return only unique items from the collection array using strict comparison.

from EnumeratesValues

Collection

collect()

Collect the values into a collection.

from EnumeratesValues

array

toArray()

Get the collection of items as a plain array.

from EnumeratesValues

array

jsonSerialize()

Convert the object into something JSON serializable.

from EnumeratesValues

string

toJson(int $options = 0)

Get the collection of items as JSON.

from EnumeratesValues

CachingIterator

getCachingIterator(int $flags = CachingIterator::CALL_TOSTRING)

Get a CachingIterator instance.

from EnumeratesValues

string

__toString()

Convert the collection to its string representation.

from EnumeratesValues

static void

proxy(string $method)

Add a method to the list of proxied methods.

from EnumeratesValues

mixed

__get(string $key)

Dynamically access collection proxies.

from EnumeratesValues

array

getArrayableItems(mixed $items)

Results array of items from Collection or Arrayable.

from EnumeratesValues

Closure

operatorForWhere(string $key, string|null $operator = null, mixed $value = null)

Get an operator checker callback.

from EnumeratesValues

bool

useAsCallable(mixed $value)

Determine if the given value is callable, but not a string.

from EnumeratesValues

callable

valueRetriever(callable|string|null $value)

Get a value retrieving callback.

from EnumeratesValues

Closure

equality(mixed $value)

Make a function to check an item's equality.

from EnumeratesValues

Closure

negate(Closure $callback)

Make a function using another function, by negating its result.

from EnumeratesValues

Closure

identity()

Make a function that returns what's passed to it.

from EnumeratesValues

static void

macro(string $name, object|callable $macro)

from Macroable

static void

mixin(object $mixin, bool $replace = true)

Mix another object into the class.

from Macroable

static bool

hasMacro(string $name)

Checks if macro is registered.

from Macroable

static mixed

__callStatic(string $method, array $parameters)

Dynamically handle calls to the class.

from Macroable

mixed

__call(string $method, array $parameters)

Dynamically handle calls to the class.

from Macroable

void

__construct(mixed $items = [])

Create a new collection.

from Collection

static Enumerable

range(int $from, int $to)

Create a collection with the given range.

from Collection

array

all()

Get all of the items in the collection.

from Collection

LazyCollection

lazy()

Get a lazy collection for the items in this collection.

from Collection

mixed

avg(callable|string|null $callback = null)

Get the average value of a given key.

from Collection

mixed

median(string|array|null $key = null)

Get the median of a given key.

from Collection

array|null

mode(string|array|null $key = null)

Get the mode of a given key.

from Collection

Enumerable

collapse()

Collapse the collection of items into a single array.

bool

contains(mixed $key, mixed $operator = null, mixed $value = null)

Determine if a key exists in the collection.

Enumerable

crossJoin(mixed ...$lists)

Cross join with the given lists, returning all possible permutations.

from Collection

Enumerable

diff(mixed $items)

Diff the collection with the given items.

Enumerable

diffUsing(mixed $items, callable $callback)

Get the items in the collection that are not present in the given items, using the callback.

from Collection

Enumerable

diffAssoc(mixed $items)

Get the items in the collection whose keys and values are not present in the given items.

from Collection

Enumerable

diffAssocUsing(mixed $items, callable $callback)

Get the items in the collection whose keys and values are not present in the given items, using the callback.

from Collection

Enumerable

diffKeys(mixed $items)

Get the items in the collection whose keys are not present in the given items.

from Collection

Enumerable

diffKeysUsing(mixed $items, callable $callback)

Get the items in the collection whose keys are not present in the given items, using the callback.

from Collection

Enumerable

duplicates(callable|null $callback = null, bool $strict = false)

Retrieve duplicate items from the collection.

from Collection

Enumerable

duplicatesStrict(callable|null $callback = null)

Retrieve duplicate items from the collection using strict comparison.

from Collection

Closure

duplicateComparator(bool $strict)

Get the comparison function to detect duplicates.

Enumerable

except(mixed $keys)

Returns all models in the collection except the models with specified keys.

Enumerable

filter(callable $callback = null)

Run a filter over each of the items.

from Collection

mixed

first(callable $callback = null, mixed $default = null)

Get the first item from the collection passing the given truth test.

from Collection

Enumerable

flatten(int $depth = INF)

Get a flattened array of the items in the collection.

Enumerable

flip()

Flip the items in the collection.

$this

forget(string|array $keys)

Remove an item from the collection by key.

from Collection

mixed

get(mixed $key, mixed $default = null)

Get an item from the collection by key.

from Collection

Enumerable

groupBy(array|callable|string $groupBy, bool $preserveKeys = false)

Group an associative array by a field or using a callback.

from Collection

Enumerable

keyBy(callable|string $keyBy)

Key an associative array by a field or using a callback.

from Collection

bool

has(mixed $key)

Determine if an item exists in the collection by key.

from Collection

string

implode(string $value, string|null $glue = null)

Concatenate values of a given key as a string.

from Collection

Enumerable

intersect(mixed $items)

Intersect the collection with the given items.

Enumerable

intersectByKeys(mixed $items)

Intersect the collection with the given items by key.

from Collection

bool

isEmpty()

Determine if the collection is empty or not.

from Collection

string

join(string $glue, string $finalGlue = '')

Join all items from the collection using a string. The final items can use a separate glue string.

from Collection

Enumerable

keys()

Get the keys of the collection items.

mixed

last(callable $callback = null, mixed $default = null)

Get the last item from the collection.

from Collection

Enumerable

pluck(string|array $value, string|null $key = null)

Get an array with 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.

from Collection

Enumerable

mapWithKeys(callable $callback)

Run an associative map over each of the items.

Enumerable

merge(mixed $items)

Merge the collection with the given items.

Enumerable

mergeRecursive(mixed $items)

Recursively merge the collection with the given items.

from Collection

Enumerable

combine(mixed $values)

Create a collection by using this collection for keys and another for its values.

from Collection

Enumerable

union(mixed $items)

Union the collection with the given items.

from Collection

Enumerable

nth(int $step, int $offset = 0)

Create a new collection consisting of every n-th element.

from Collection

Enumerable

only(mixed $keys)

Returns only the models from the collection with the specified keys.

mixed

pop()

Get and remove the last item from the collection.

from Collection

$this

prepend(mixed $value, mixed $key = null)

Push an item onto the beginning of the collection.

from Collection

$this

push(mixed ...$values)

Push one or more items onto the end of the collection.

from Collection

Enumerable

concat(iterable $source)

Push all of the given items onto the collection.

from Collection

mixed

pull(mixed $key, mixed $default = null)

Get and remove an item from the collection.

from Collection

$this

put(mixed $key, mixed $value)

Put an item in the collection by key.

from Collection

Enumerable|mixed

random(int|null $number = null)

Get one or a specified number of items randomly from the collection.

from Collection

mixed

reduce(callable $callback, mixed $initial = null)

Reduce the collection to a single value.

from Collection

Enumerable

replace(mixed $items)

Replace the collection items with the given items.

from Collection

Enumerable

replaceRecursive(mixed $items)

Recursively replace the collection items with the given items.

from Collection

Enumerable

reverse()

Reverse items order.

from Collection

mixed

search(mixed $value, bool $strict = false)

Search the collection for a given value and return the corresponding key if successful.

from Collection

mixed

shift()

Get and remove the first item from the collection.

from Collection

Enumerable

shuffle(int|null $seed = null)

Shuffle the items in the collection.

from Collection

Enumerable

skip(int $count)

Skip the first {$count} items.

from Collection

Enumerable

skipUntil(mixed $value)

Skip items in the collection until the given condition is met.

from Collection

Enumerable

skipWhile(mixed $value)

Skip items in the collection while the given condition is met.

from Collection

Enumerable

slice(int $offset, int|null $length = null)

Slice the underlying collection array.

from Collection

Enumerable

split(int $numberOfGroups)

Split a collection into a certain number of groups.

from Collection

Enumerable

chunk(int $size)

Chunk the collection into chunks of the given size.

from Collection

Enumerable

chunkWhile(callable $callback)

Chunk the collection into chunks with a callback.

from Collection

Enumerable

sort(callable|null|int $callback = null)

Sort through each item with a callback.

from Collection

Enumerable

sortDesc(int $options = SORT_REGULAR)

Sort items in descending order.

from Collection

Enumerable

sortBy(callable|string $callback, int $options = SORT_REGULAR, bool $descending = false)

Sort the collection using the given callback.

from Collection

Enumerable

sortByDesc(callable|string $callback, int $options = SORT_REGULAR)

Sort the collection in descending order using the given callback.

from Collection

Enumerable

sortKeys(int $options = SORT_REGULAR, bool $descending = false)

Sort the collection keys.

from Collection

Enumerable

sortKeysDesc(int $options = SORT_REGULAR)

Sort the collection keys in descending order.

from Collection

Collection

splice(int $offset, int|null $length = null, mixed $replacement = [])

Splice a portion of the underlying collection array.

from Collection

Enumerable

take(int $limit)

Take the first or last {$limit} items.

from Collection

Enumerable

takeUntil(mixed $value)

Take items in the collection until the given condition is met.

from Collection

Enumerable

takeWhile(mixed $value)

Take items in the collection while the given condition is met.

from Collection

$this

transform(callable $callback)

Transform each item in the collection using a callback.

from Collection

Enumerable

values()

Reset the keys on the underlying array.

from Collection

Enumerable

zip(mixed $items)

Zip the collection together with one or more arrays.

Enumerable

pad(int $size, mixed $value)

Pad collection to the specified length with a value.

ArrayIterator

getIterator()

Get an iterator for the items.

from Collection

int

count()

Count the number of items in the collection.

from Collection

Enumerable

countBy(callable|string $countBy = null)

Count the number of items in the collection by a field or using a callback.

from Collection

$this

add(mixed $item)

Add an item to the collection.

from Collection

Collection

toBase()

Get a base Support collection instance from this collection.

from Collection

bool

offsetExists(mixed $key)

Determine if an item exists at an offset.

from Collection

mixed

offsetGet(mixed $key)

Get an item at a given offset.

from Collection

void

offsetSet(mixed $key, mixed $value)

Set the item at a given offset.

from Collection

void

offsetUnset(string $key)

Unset the item at a given offset.

from Collection

Model|Collection|null

find(mixed $key, mixed $default = null)

Find a model in the collection by key.

$this

load(array|string $relations)

Load a set of relationships onto the collection.

$this

loadAggregate(array|string $relations, string $column, string $function = null)

Load a set of aggregations over relationship's column onto the collection.

$this

loadCount(array|string $relations)

Load a set of relationship counts onto the collection.

$this

loadMax(array|string $relations, string $column)

Load a set of relationship's max column values onto the collection.

$this

loadMin(array|string $relations, string $column)

Load a set of relationship's min column values onto the collection.

$this

loadSum(array|string $relations, string $column)

Load a set of relationship's column summations onto the collection.

$this

loadAvg(array|string $relations, string $column)

Load a set of relationship's average column values onto the collection.

$this

loadMissing(array|string $relations)

Load a set of relationships onto the collection if they are not already eager loaded.

void

loadMissingRelation(Collection $models, array $path)

Load a relationship path if it is not already eager loaded.

$this

loadMorph(string $relation, array $relations)

Load a set of relationships onto the mixed relationship collection.

$this

loadMorphCount(string $relation, array $relations)

Load a set of relationship counts onto the mixed relationship collection.

array

modelKeys()

Get the array of primary keys.

Collection

fresh(array|string $with = [])

Reload a fresh model instance from the database for all the entities.

$this

makeHidden(array|string $attributes)

Make the given, typically visible, attributes hidden across the entire collection.

$this

makeVisible(array|string $attributes)

Make the given, typically hidden, attributes visible across the entire collection.

$this

append(array|string $attributes)

Append an attribute across the entire collection.

array

getDictionary(ArrayAccess|array|null $items = null)

Get a dictionary keyed by primary keys.

string|null

getQueueableClass()

Get the type of the entities being queued.

array

getQueueableIds()

Get the identifiers for all of the entities.

array

getQueueableRelations()

Get the relationships of the entities being queued.

string|null

getQueueableConnection()

Get the connection of the entities being queued.

Builder

toQuery()

Get the Eloquent query builder from the collection.

Details

static EnumeratesValues make(mixed $items = [])

Create a new collection instance if the value isn't one already.

Parameters

mixed

$items

Return Value

EnumeratesValues

static EnumeratesValues wrap(mixed $value)

Wrap the given value in a collection if applicable.

Parameters

mixed

$value

Return Value

EnumeratesValues

static array unwrap(array|EnumeratesValues $value)

Get the underlying items from the given collection if applicable.

Parameters

array|EnumeratesValues

$value

Return Value

array

static EnumeratesValues empty()

Create a new instance with no items.

Return Value

EnumeratesValues

static EnumeratesValues times(int $number, callable $callback = null)

Create a new collection by invoking the callback a given amount of times.

Parameters

int	$number
callable	$callback

Return Value

EnumeratesValues

mixed average(callable|string|null $callback = null)

Alias for the "avg" method.

Parameters

callable|string|null

$callback

Return Value

mixed

bool some(mixed $key, mixed $operator = null, mixed $value = null)

Alias for the "contains" method.

Parameters

mixed	$key
mixed	$operator
mixed	$value

Return Value

bool

bool containsStrict(mixed $key, mixed $value = null)

Determine if an item exists, using strict comparison.

Parameters

mixed	$key
mixed	$value

Return Value

bool

void dd(mixed ...$args)

Dump the items and end the script.

Parameters

mixed

...$args

Return Value

void

$this dump()

Dump the items.

Return Value

$this

$this each(callable $callback)

Execute a callback over each item.

Parameters

callable

$callback

Return Value

$this

EnumeratesValues eachSpread(callable $callback)

Execute a callback over each nested chunk of items.

Parameters

callable

$callback

Return Value

EnumeratesValues

bool every(string|callable $key, mixed $operator = null, mixed $value = null)

Determine if all items pass the given truth test.

Parameters

string\|callable	$key
mixed	$operator
mixed	$value

Return Value

bool

mixed firstWhere(string $key, mixed $operator = null, mixed $value = null)

Get the first item by the given key value pair.

Parameters

string	$key
mixed	$operator
mixed	$value

Return Value

mixed

bool isNotEmpty()

Determine if the collection is not empty.

Return Value

bool

EnumeratesValues mapSpread(callable $callback)

Run a map over each nested chunk of items.

Parameters

callable

$callback

Return Value

EnumeratesValues

EnumeratesValues mapToGroups(callable $callback)

Run a grouping map over the items.

The callback should return an associative array with a single key/value pair.

Parameters

callable

$callback

Return Value

EnumeratesValues

EnumeratesValues flatMap(callable $callback)

Map a collection and flatten the result by a single level.

Parameters

callable

$callback

Return Value

EnumeratesValues

EnumeratesValues mapInto(string $class)

Map the values into a new class.

Parameters

string

$class

Return Value

EnumeratesValues

mixed min(callable|string|null $callback = null)

Get the min value of a given key.

Parameters

callable|string|null

$callback

Return Value

mixed

mixed max(callable|string|null $callback = null)

Get the max value of a given key.

Parameters

callable|string|null

$callback

Return Value

mixed

EnumeratesValues forPage(int $page, int $perPage)

"Paginate" the collection by slicing it into a smaller collection.

Parameters

int	$page
int	$perPage

Return Value

EnumeratesValues

EnumeratesValues partition(callable|string $key, mixed $operator = null, mixed $value = null)

Partition the collection into two arrays using the given callback or key.

Parameters

callable\|string	$key
mixed	$operator
mixed	$value

Return Value

EnumeratesValues

mixed sum(callable|string|null $callback = null)

Get the sum of the given values.

Parameters

callable|string|null

$callback

Return Value

mixed

EnumeratesValues|mixed when(bool|mixed $value, callable $callback = null, callable $default = null)

Apply the callback if the value is truthy.

Parameters

bool\|mixed	$value
callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues|mixed whenEmpty(callable $callback, callable $default = null)

Apply the callback if the collection is empty.

Parameters

callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues|mixed whenNotEmpty(callable $callback, callable $default = null)

Apply the callback if the collection is not empty.

Parameters

callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues|mixed unless(bool $value, callable $callback, callable $default = null)

Apply the callback if the value is falsy.

Parameters

bool	$value
callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues|mixed unlessEmpty(callable $callback, callable $default = null)

Apply the callback unless the collection is empty.

Parameters

callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues|mixed unlessNotEmpty(callable $callback, callable $default = null)

Apply the callback unless the collection is not empty.

Parameters

callable	$callback
callable	$default

Return Value

EnumeratesValues|mixed

EnumeratesValues where(string $key, mixed $operator = null, mixed $value = null)

Filter items by the given key value pair.

Parameters

string	$key
mixed	$operator
mixed	$value

Return Value

EnumeratesValues

EnumeratesValues whereNull(string|null $key = null)

Filter items where the value for the given key is null.

Parameters

string|null

$key

Return Value

EnumeratesValues

EnumeratesValues whereNotNull(string|null $key = null)

Filter items where the value for the given key is not null.

Parameters

string|null

$key

Return Value

EnumeratesValues

EnumeratesValues whereStrict(string $key, mixed $value)

Filter items by the given key value pair using strict comparison.

Parameters

string	$key
mixed	$value

Return Value

EnumeratesValues

EnumeratesValues whereIn(string $key, mixed $values, bool $strict = false)

Filter items by the given key value pair.

Parameters

string	$key
mixed	$values
bool	$strict

Return Value

EnumeratesValues

EnumeratesValues whereInStrict(string $key, mixed $values)

Filter items by the given key value pair using strict comparison.

Parameters

string	$key
mixed	$values

Return Value

EnumeratesValues

EnumeratesValues whereBetween(string $key, array $values)

Filter items such that the value of the given key is between the given values.

Parameters

string	$key
array	$values

Return Value

EnumeratesValues

EnumeratesValues whereNotBetween(string $key, array $values)

Filter items such that the value of the given key is not between the given values.

Parameters

string	$key
array	$values

Return Value

EnumeratesValues

EnumeratesValues whereNotIn(string $key, mixed $values, bool $strict = false)

Filter items by the given key value pair.

Parameters

string	$key
mixed	$values
bool	$strict

Return Value

EnumeratesValues

EnumeratesValues whereNotInStrict(string $key, mixed $values)

Filter items by the given key value pair using strict comparison.

Parameters

string	$key
mixed	$values

Return Value

EnumeratesValues

EnumeratesValues whereInstanceOf(string $type)

Filter the items, removing any items that don't match the given type.

Parameters

string

$type

Return Value

EnumeratesValues

mixed pipe(callable $callback)

Pass the collection to the given callback and return the result.

Parameters

callable

$callback

Return Value

mixed

mixed pipeInto(string $class)

Pass the collection into a new class.

Parameters

string

$class

Return Value

mixed

$this tap(callable $callback)

Pass the collection to the given callback and then return it.

Parameters

callable

$callback

Return Value

$this

EnumeratesValues reject(callable|mixed $callback = true)

Create a collection of all elements that do not pass a given truth test.

Parameters

callable|mixed

$callback

Return Value

EnumeratesValues

EnumeratesValues unique(string|callable|null $key = null, bool $strict = false)

Return only unique items from the collection.

Parameters

string\|callable\|null	$key
bool	$strict

Return Value

EnumeratesValues

EnumeratesValues uniqueStrict(string|callable|null $key = null)

Return only unique items from the collection array using strict comparison.

Parameters

string|callable|null

$key

Return Value

EnumeratesValues

Collection collect()

Collect the values into a collection.

Return Value

Collection

array toArray()

Get the collection of items as a plain array.

Return Value

array

array jsonSerialize()

Convert the object into something JSON serializable.

Return Value

array

string toJson(int $options = 0)

Get the collection of items as JSON.

Parameters

int

$options

Return Value

string

CachingIterator getCachingIterator(int $flags = CachingIterator::CALL_TOSTRING)

Get a CachingIterator instance.

Parameters

int

$flags

Return Value

CachingIterator

string __toString()

Convert the collection to its string representation.

Return Value

string

static void proxy(string $method)

Add a method to the list of proxied methods.

Parameters

string

$method

Return Value

void

mixed __get(string $key)

Dynamically access collection proxies.

Parameters

string

$key

Return Value

mixed

Exceptions

Exception

protected array getArrayableItems(mixed $items)

Results array of items from Collection or Arrayable.

Parameters

mixed

$items

Return Value

array

protected Closure operatorForWhere(string $key, string|null $operator = null, mixed $value = null)

Get an operator checker callback.

Parameters

string	$key
string\|null	$operator
mixed	$value

Return Value

Closure

protected bool useAsCallable(mixed $value)

Determine if the given value is callable, but not a string.

Parameters

mixed

$value

Return Value

bool

protected callable valueRetriever(callable|string|null $value)

Get a value retrieving callback.

Parameters

callable|string|null

$value

Return Value

callable

protected Closure equality(mixed $value)

Make a function to check an item's equality.

Parameters

mixed

$value

Return Value

Closure

protected Closure negate(Closure $callback)

Make a function using another function, by negating its result.

Parameters

Closure

$callback

Return Value

Closure

protected Closure identity()

Make a function that returns what's passed to it.

Return Value

Closure

static void macro(string $name, object|callable $macro)

Parameters

string	$name
object\|callable	$macro

Return Value

void

static void mixin(object $mixin, bool $replace = true)

Mix another object into the class.

Parameters

object	$mixin
bool	$replace

Return Value

void

Exceptions

ReflectionException

static bool hasMacro(string $name)

Checks if macro is registered.

Parameters

string

$name

Return Value

bool

static mixed __callStatic(string $method, array $parameters)

Dynamically handle calls to the class.

Parameters

string	$method
array	$parameters

Return Value

mixed

Exceptions

BadMethodCallException

mixed __call(string $method, array $parameters)

Dynamically handle calls to the class.

Parameters

string	$method
array	$parameters

Return Value

mixed

Exceptions

BadMethodCallException

void __construct(mixed $items = [])

Create a new collection.

Parameters

mixed

$items

Return Value

void

static Enumerable range(int $from, int $to)

Create a collection with the given range.

Parameters

int	$from
int	$to

Return Value

Enumerable

array all()

Get all of the items in the collection.

Return Value

array

LazyCollection lazy()

Get a lazy collection for the items in this collection.

Return Value

LazyCollection

mixed avg(callable|string|null $callback = null)

Get the average value of a given key.

Parameters

callable|string|null

$callback

Return Value

mixed

mixed median(string|array|null $key = null)

Get the median of a given key.

Parameters

string|array|null

$key

Return Value

mixed

array|null mode(string|array|null $key = null)

Get the mode of a given key.

Parameters

string|array|null

$key

Return Value

array|null

Enumerable collapse()

Collapse the collection of items into a single array.

Return Value

Enumerable

bool contains(mixed $key, mixed $operator = null, mixed $value = null)

Determine if a key exists in the collection.

Parameters

mixed	$key
mixed	$operator
mixed	$value

Return Value

bool

Enumerable crossJoin(mixed ...$lists)

Cross join with the given lists, returning all possible permutations.

Parameters

mixed

...$lists

Return Value

Enumerable

Enumerable diff(mixed $items)

Diff the collection with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable diffUsing(mixed $items, callable $callback)

Get the items in the collection that are not present in the given items, using the callback.

Parameters

mixed	$items
callable	$callback

Return Value

Enumerable

Enumerable diffAssoc(mixed $items)

Get the items in the collection whose keys and values are not present in the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable diffAssocUsing(mixed $items, callable $callback)

Get the items in the collection whose keys and values are not present in the given items, using the callback.

Parameters

mixed	$items
callable	$callback

Return Value

Enumerable

Enumerable diffKeys(mixed $items)

Get the items in the collection whose keys are not present in the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable diffKeysUsing(mixed $items, callable $callback)

Get the items in the collection whose keys are not present in the given items, using the callback.

Parameters

mixed	$items
callable	$callback

Return Value

Enumerable

Enumerable duplicates(callable|null $callback = null, bool $strict = false)

Retrieve duplicate items from the collection.

Parameters

callable\|null	$callback
bool	$strict

Return Value

Enumerable

Enumerable duplicatesStrict(callable|null $callback = null)

Retrieve duplicate items from the collection using strict comparison.

Parameters

callable|null

$callback

Return Value

Enumerable

protected Closure duplicateComparator(bool $strict)

Get the comparison function to detect duplicates.

Parameters

bool

$strict

Return Value

Closure

Enumerable except(mixed $keys)

Returns all models in the collection except the models with specified keys.

Parameters

mixed

$keys

Return Value

Enumerable

Enumerable filter(callable $callback = null)

Run a filter over each of the items.

Parameters

callable

$callback

Return Value

Enumerable

mixed first(callable $callback = null, mixed $default = null)

Get the first item from the collection passing the given truth test.

Parameters

callable	$callback
mixed	$default

Return Value

mixed

Enumerable flatten(int $depth = INF)

Get a flattened array of the items in the collection.

Parameters

int

$depth

Return Value

Enumerable

Enumerable flip()

Flip the items in the collection.

Return Value

Enumerable

$this forget(string|array $keys)

Remove an item from the collection by key.

Parameters

string|array

$keys

Return Value

$this

mixed get(mixed $key, mixed $default = null)

Get an item from the collection by key.

Parameters

mixed	$key
mixed	$default

Return Value

mixed

Enumerable groupBy(array|callable|string $groupBy, bool $preserveKeys = false)

Group an associative array by a field or using a callback.

Parameters

array\|callable\|string	$groupBy
bool	$preserveKeys

Return Value

Enumerable

Enumerable keyBy(callable|string $keyBy)

Key an associative array by a field or using a callback.

Parameters

callable|string

$keyBy

Return Value

Enumerable

bool has(mixed $key)

Determine if an item exists in the collection by key.

Parameters

mixed

$key

Return Value

bool

string implode(string $value, string|null $glue = null)

Concatenate values of a given key as a string.

Parameters

string	$value
string\|null	$glue

Return Value

string

Enumerable intersect(mixed $items)

Intersect the collection with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable intersectByKeys(mixed $items)

Intersect the collection with the given items by key.

Parameters

mixed

$items

Return Value

Enumerable

bool isEmpty()

Determine if the collection is empty or not.

Return Value

bool

string join(string $glue, string $finalGlue = '')

Join all items from the collection using a string. The final items can use a separate glue string.

Parameters

string	$glue
string	$finalGlue

Return Value

string

Enumerable keys()

Get the keys of the collection items.

Return Value

Enumerable

mixed last(callable $callback = null, mixed $default = null)

Get the last item from the collection.

Parameters

callable	$callback
mixed	$default

Return Value

mixed

Enumerable pluck(string|array $value, string|null $key = null)

Get an array with the values of a given key.

Parameters

string\|array	$value
string\|null	$key

Return Value

Enumerable

Enumerable map(callable $callback)

Run a map over each of the items.

Parameters

callable

$callback

Return Value

Enumerable

Enumerable mapToDictionary(callable $callback)

Run a dictionary map over the items.

The callback should return an associative array with a single key/value pair.

Parameters

callable

$callback

Return Value

Enumerable

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.

Parameters

callable

$callback

Return Value

Enumerable

Enumerable merge(mixed $items)

Merge the collection with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable mergeRecursive(mixed $items)

Recursively merge the collection with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable combine(mixed $values)

Create a collection by using this collection for keys and another for its values.

Parameters

mixed

$values

Return Value

Enumerable

Enumerable union(mixed $items)

Union the collection with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable nth(int $step, int $offset = 0)

Create a new collection consisting of every n-th element.

Parameters

int	$step
int	$offset

Return Value

Enumerable

Enumerable only(mixed $keys)

Returns only the models from the collection with the specified keys.

Parameters

mixed

$keys

Return Value

Enumerable

mixed pop()

Get and remove the last item from the collection.

Return Value

mixed

$this prepend(mixed $value, mixed $key = null)

Push an item onto the beginning of the collection.

Parameters

mixed	$value
mixed	$key

Return Value

$this

$this push(mixed ...$values)

Push one or more items onto the end of the collection.

Parameters

mixed

...$values

[optional]

Return Value

$this

Enumerable concat(iterable $source)

Push all of the given items onto the collection.

Parameters

iterable

$source

Return Value

Enumerable

mixed pull(mixed $key, mixed $default = null)

Get and remove an item from the collection.

Parameters

mixed	$key
mixed	$default

Return Value

mixed

$this put(mixed $key, mixed $value)

Put an item in the collection by key.

Parameters

mixed	$key
mixed	$value

Return Value

$this

Enumerable|mixed random(int|null $number = null)

Get one or a specified number of items randomly from the collection.

Parameters

int|null

$number

Return Value

Enumerable|mixed

Exceptions

InvalidArgumentException

mixed reduce(callable $callback, mixed $initial = null)

Reduce the collection to a single value.

Parameters

callable	$callback
mixed	$initial

Return Value

mixed

Enumerable replace(mixed $items)

Replace the collection items with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable replaceRecursive(mixed $items)

Recursively replace the collection items with the given items.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable reverse()

Reverse items order.

Return Value

Enumerable

mixed search(mixed $value, bool $strict = false)

Search the collection for a given value and return the corresponding key if successful.

Parameters

mixed	$value
bool	$strict

Return Value

mixed

mixed shift()

Get and remove the first item from the collection.

Return Value

mixed

Enumerable shuffle(int|null $seed = null)

Shuffle the items in the collection.

Parameters

int|null

$seed

Return Value

Enumerable

Enumerable skip(int $count)

Skip the first {$count} items.

Parameters

int

$count

Return Value

Enumerable

Enumerable skipUntil(mixed $value)

Skip items in the collection until the given condition is met.

Parameters

mixed

$value

Return Value

Enumerable

Enumerable skipWhile(mixed $value)

Skip items in the collection while the given condition is met.

Parameters

mixed

$value

Return Value

Enumerable

Enumerable slice(int $offset, int|null $length = null)

Slice the underlying collection array.

Parameters

int	$offset
int\|null	$length

Return Value

Enumerable

Enumerable split(int $numberOfGroups)

Split a collection into a certain number of groups.

Parameters

int

$numberOfGroups

Return Value

Enumerable

Enumerable chunk(int $size)

Chunk the collection into chunks of the given size.

Parameters

int

$size

Return Value

Enumerable

Enumerable chunkWhile(callable $callback)

Chunk the collection into chunks with a callback.

Parameters

callable

$callback

Return Value

Enumerable

Enumerable sort(callable|null|int $callback = null)

Sort through each item with a callback.

Parameters

callable|null|int

$callback

Return Value

Enumerable

Enumerable sortDesc(int $options = SORT_REGULAR)

Sort items in descending order.

Parameters

int

$options

Return Value

Enumerable

Enumerable sortBy(callable|string $callback, int $options = SORT_REGULAR, bool $descending = false)

Sort the collection using the given callback.

Parameters

callable\|string	$callback
int	$options
bool	$descending

Return Value

Enumerable

Enumerable sortByDesc(callable|string $callback, int $options = SORT_REGULAR)

Sort the collection in descending order using the given callback.

Parameters

callable\|string	$callback
int	$options

Return Value

Enumerable

Enumerable sortKeys(int $options = SORT_REGULAR, bool $descending = false)

Sort the collection keys.

Parameters

int	$options
bool	$descending

Return Value

Enumerable

Enumerable sortKeysDesc(int $options = SORT_REGULAR)

Sort the collection keys in descending order.

Parameters

int

$options

Return Value

Enumerable

Collection splice(int $offset, int|null $length = null, mixed $replacement = [])

Splice a portion of the underlying collection array.

Parameters

int	$offset
int\|null	$length
mixed	$replacement

Return Value

Collection

Enumerable take(int $limit)

Take the first or last {$limit} items.

Parameters

int

$limit

Return Value

Enumerable

Enumerable takeUntil(mixed $value)

Take items in the collection until the given condition is met.

Parameters

mixed

$value

Return Value

Enumerable

Enumerable takeWhile(mixed $value)

Take items in the collection while the given condition is met.

Parameters

mixed

$value

Return Value

Enumerable

$this transform(callable $callback)

Transform each item in the collection using a callback.

Parameters

callable

$callback

Return Value

$this

Enumerable values()

Reset the keys on the underlying array.

Return Value

Enumerable

Enumerable zip(mixed $items)

Zip the collection together with one or more arrays.

Parameters

mixed

$items

Return Value

Enumerable

Enumerable pad(int $size, mixed $value)

Pad collection to the specified length with a value.

Parameters

int	$size
mixed	$value

Return Value

Enumerable

ArrayIterator getIterator()

Get an iterator for the items.

Return Value

ArrayIterator

int count()

Count the number of items in the collection.

Return Value

int

Enumerable countBy(callable|string $countBy = null)

Count the number of items in the collection by a field or using a callback.

Parameters

callable|string

$countBy

Return Value

Enumerable

$this add(mixed $item)

Add an item to the collection.

Parameters

mixed

$item

Return Value

$this

Collection toBase()

Get a base Support collection instance from this collection.

Return Value

Collection

bool offsetExists(mixed $key)

Determine if an item exists at an offset.

Parameters

mixed

$key

Return Value

bool

mixed offsetGet(mixed $key)

Get an item at a given offset.

Parameters

mixed

$key

Return Value

mixed

void offsetSet(mixed $key, mixed $value)

Set the item at a given offset.

Parameters

mixed	$key
mixed	$value

Return Value

void

void offsetUnset(string $key)

Unset the item at a given offset.

Parameters

string

$key

Return Value

void

Model|Collection|null find(mixed $key, mixed $default = null)

Find a model in the collection by key.

Parameters

mixed	$key
mixed	$default

Return Value

Model|Collection|null

$this load(array|string $relations)

Load a set of relationships onto the collection.

Parameters

array|string

$relations

Return Value

$this

$this loadAggregate(array|string $relations, string $column, string $function = null)

Load a set of aggregations over relationship's column onto the collection.

Parameters

array\|string	$relations
string	$column
string	$function

Return Value

$this

$this loadCount(array|string $relations)

Load a set of relationship counts onto the collection.

Parameters

array|string

$relations

Return Value

$this

$this loadMax(array|string $relations, string $column)

Load a set of relationship's max column values onto the collection.

Parameters

array\|string	$relations
string	$column

Return Value

$this

$this loadMin(array|string $relations, string $column)

Load a set of relationship's min column values onto the collection.

Parameters

array\|string	$relations
string	$column

Return Value

$this

$this loadSum(array|string $relations, string $column)

Load a set of relationship's column summations onto the collection.

Parameters

array\|string	$relations
string	$column

Return Value

$this

$this loadAvg(array|string $relations, string $column)

Load a set of relationship's average column values onto the collection.

Parameters

array\|string	$relations
string	$column

Return Value

$this

$this loadMissing(array|string $relations)

Load a set of relationships onto the collection if they are not already eager loaded.

Parameters

array|string

$relations

Return Value

$this

protected void loadMissingRelation(Collection $models, array $path)

Load a relationship path if it is not already eager loaded.

Parameters

Collection	$models
array	$path

Return Value

void

$this loadMorph(string $relation, array $relations)

Load a set of relationships onto the mixed relationship collection.

Parameters

string	$relation
array	$relations

Return Value

$this

$this loadMorphCount(string $relation, array $relations)

Load a set of relationship counts onto the mixed relationship collection.

Parameters

string	$relation
array	$relations

Return Value

$this

array modelKeys()

Get the array of primary keys.

Return Value

array

Collection fresh(array|string $with = [])

Reload a fresh model instance from the database for all the entities.

Parameters

array|string

$with

Return Value

Collection

$this makeHidden(array|string $attributes)

Make the given, typically visible, attributes hidden across the entire collection.

Parameters

array|string

$attributes

Return Value

$this

$this makeVisible(array|string $attributes)

Make the given, typically hidden, attributes visible across the entire collection.

Parameters

array|string

$attributes

Return Value

$this

$this append(array|string $attributes)

Append an attribute across the entire collection.

Parameters

array|string

$attributes

Return Value

$this

array getDictionary(ArrayAccess|array|null $items = null)

Get a dictionary keyed by primary keys.

Parameters

ArrayAccess|array|null

$items

Return Value

array

string|null getQueueableClass()

Get the type of the entities being queued.

Return Value

string|null

Exceptions

LogicException

array getQueueableIds()

Get the identifiers for all of the entities.

Return Value

array

array getQueueableRelations()

Get the relationships of the entities being queued.

Return Value

array

string|null getQueueableConnection()

Get the connection of the entities being queued.

Return Value

string|null

Exceptions

LogicException

Builder toQuery()

Get the Eloquent query builder from the collection.

Return Value

Builder

Exceptions

LogicException

© Taylor Otwell
Licensed under the MIT License.
Laravel is a trademark of Taylor Otwell.
https://laravel.com/api/8.x/Illuminate/Database/Eloquent/Collection.html