If you do not wish to preserve the original keys, you can use the values method to reindex them. wrap ['name' => 'iPhone 6', 'brand' => 'Apple', 'type' => 'phone']. intersectAssoc skip sortByDesc sortKeysUsing reject dd The whereBetween method filters the collection by determining if a specified item value is within a given range: The whereIn method removes elements from the collection that do not have a specified item value that is contained within the given array: The whereIn method uses "loose" comparisons when checking item values, meaning a string with an integer value will be considered equal to an integer of the same value. The toArray method converts the collection into a plain PHP array. The mapInto() method iterates over the collection, creating a new instance of the given class by passing the value into the constructor: The mapSpread method iterates over the collection's items, passing each nested item value into the given closure. unlessEmpty median Unlike most other collection methods, transform modifies the collection itself. keys The dot method flattens a multi-dimensional collection into a single level collection that uses "dot" notation to indicate depth: The dump method dumps the collection's items: If you want to stop executing the script after dumping the collection, use the dd method instead. diffAssoc times pipeInto nth By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. sortBy Your normal array has indices too. The map method iterates through the collection and passes each value to the given callback. dd Find centralized, trusted content and collaborate around the technologies you use most. shuffle If the collection's values are Eloquent models, the models will also be converted to arrays: Warning mapWithKeys Copyright 2011-2023 Laravel LLC. This method has the same signature as the whereNotIn method; however, all values are compared using "strict" comparisons. last Likewise, if a map operation returns a collection that does not contain any Eloquent models, it will be converted to a base collection instance. The contains method determines whether the collection contains a given item. countBy 1. collect(array $array) or 2. new \Illuminate\Database\Eloquent\Collection(array $array). The collection instance and the first argument given to the when method will be provided to the closure: A second callback may be passed to the when method. The flip method swaps the collection's keys with their corresponding values: The forget method removes an item from the collection by its key: Warning contains It is impossible to mutate a specific property of the primitive array returned by this cast. This method behaves like the array_pad PHP function. every append modelKeys In addition, any specified relationships will be eager loaded: The intersect method returns all of the models that are also present in the given collection: The load method eager loads the given relationships for all models in the collection: The loadMissing method eager loads the given relationships for all models in the collection if the relationships are not already loaded: The modelKeys method returns the primary keys for all models in the collection: The makeVisible method makes attributes visible that are typically "hidden" on each model in the collection: The makeHidden method hides attributes that are typically "visible" on each model in the collection: The only method returns all of the models that have the given primary keys: The setVisible method temporarily overrides all of the visible attributes on each model in the collection: The setHidden method temporarily overrides all of the hidden attributes on each model in the collection: The toQuery method returns an Eloquent query builder instance containing a whereIn constraint on the collection model's primary keys: The unique method returns all of the unique models in the collection. See the docs https://laravel.com/docs/5.1/collections#available-methods. make In some cases, however, you need the Eloquent Database Collection, then you take the second one. 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Testing native, sponsored banner ads on Stack Overflow (starting July 6), Temporary policy: Generative AI (e.g. I expect the output to be the same as this: By "sorting does not work" I meant the items are not sorted. The collection methods that provide higher order messages are: average, avg, contains, each, every, filter, first, flatMap, groupBy, keyBy, map, max, min, partition, reject, skipUntil, skipWhile, some, sortBy, sortByDesc, sum, takeUntil, takeWhile, and unique. sum whereNotInStrict whereStrict The skipWhile method skips over items from the collection while the given callback returns true and then returns the remaining items in the collection as a new collection: Warning toArray also converts all of the collection's nested objects that are an instance of Arrayable to an array. The closure is free to modify the item and return it, thus forming a new collection of modified items. Be sure to review the Laravel collection documentation to learn all about these helpful methods! The forPage method returns a new collection containing the items that would be present on a given page number. sortKeys load reduceSpread ['name' => 'Apple Watch', 'brand' => 'Apple', 'type' => 'watch']. mapInto Before learning more about Laravel's lazy collections, take some time to familiarize yourself with PHP generators. ArrayObject has some advantages over the existing casts for JSON and array data. Edit; I understand this question is getting a lot of hits based on the title so the TLDR for those people is to use the collect() helper to create a Collection instance. If the given value is not found or the callback never returns true, the skipUntil method will return an empty collection. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. unlessEmpty In addition to the methods defined in the Enumerable contract, the LazyCollection class contains the following methods: The takeUntilTimeout method returns a new lazy collection that will enumerate values until the specified time. get Short answer extended: There are different collections. This method will return the key / value pairs in the original collection that are not present in the given collection: The doesntContain method determines whether the collection does not contain a given item. mapWithKeys The unless method will execute the given callback unless the first argument given to the method evaluates to true: A second callback may be passed to the unless method. toArray Laravel is a Trademark of Taylor Otwell. has To learn more, see our tips on writing great answers. Why did Indiana Jones contradict himself? reduce intersect The result of the callback will be returned if the specified key does not exist: The groupBy method groups the collection's items by a given key: Instead of passing a string key, you may pass a callback. ['name' => 'SALLY', 'school' => 'ARKANSAS', 'age' => '28']; ['name' => 'iPhone 6S', 'brand' => 'Apple']. Convert Array To Collection in Laravel - Stack Overflow The macro closure may access the collection's other methods via $this, just as if it were a real method of the collection class. What are the advantages and disadvantages of the callee versus caller clearing the stack after a call? The callback should return the value you wish to key the group by: Multiple grouping criteria may be passed as an array. The whenNotEmpty method will execute the given callback when the collection is not empty: A second closure may be passed to the whenNotEmpty method that will be executed when the collection is empty: For the inverse of whenNotEmpty, see the whenEmpty method. We believe development must be an enjoyable and creative experience to be truly fulfilling. whereNotIn Each sort operation should be an array consisting of the attribute that you wish to sort by and the direction of the desired sort: When sorting a collection by multiple attributes, you may also provide closures that define each sort operation: This method has the same signature as the sortBy method, but will sort the collection in the opposite order. A collection of items is always returned when explicitly passing the number of items you wish to receive: If the collection instance has fewer items than requested, the random method will throw an InvalidArgumentException. The random method also accepts a closure, which will receive the current collection instance: The range method returns a collection containing integers between the specified range: The reduce method reduces the collection to a single value, passing the result of each iteration into the subsequent iteration: The value for $carry on the first iteration is null; however, you may specify its initial value by passing a second argument to reduce: The reduce method also passes array keys in associative collections to the given callback: The reduceSpread method reduces the collection to an array of values, passing the results of each iteration into the subsequent iteration. Though the original collection still keeps its values in memory, the subsequent filters will not. If multiple items have the same key, only the last one will appear in the new collection: You may also pass a callback to the method. eachSpread whenEmpty And what do you mean by "the sorting does not work"? ['name' => 'Abigail Otwell', 'age' => 32]. eachSpread Eloquent: Collections - Laravel - The PHP Framework For Web Artisans The callback is free to modify the item and return it, thus forming a new collection of modified items: Warning mergeRecursive unless Asking for help, clarification, or responding to other answers. unique . The whereNotNull method returns items from the collection where the given key is not null: The whereNull method returns items from the collection where the given key is null: The static wrap method wraps the given value in a collection when applicable: The zip method merges together the values of the given array with the values of the original collection at their corresponding index: Collections also provide support for "higher order messages", which are short-cuts for performing common actions on collections. For example, imagine your application needs to process a multi-gigabyte log file while taking advantage of Laravel's collection methods to parse the logs. some mapSpread For the inverse of contains, see the doesntContain method. reverse In addition, the Illuminate\Database\Eloquent\Collection class provides a superset of methods to aid with managing your model collections. Therefore, virtually no additional memory will be allocated when filtering the collection's results. The sliding method returns a new collection of chunks representing a "sliding window" view of the items in the collection: This is especially useful in conjunction with the eachSpread method: You may optionally pass a second "step" value, which determines the distance between the first item of every chunk: The sole method returns the first element in the collection that passes a given truth test, but only if the truth test matches exactly one element: You may also pass a key / value pair to the sole method, which will return the first element in the collection that matches the given pair, but only if it exactly one element matches: Alternatively, you may also call the sole method with no argument to get the first element in the collection if there is only one element: If there are no elements in the collection that should be returned by the sole method, an \Illuminate\Collections\ItemNotFoundException exception will be thrown.
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