这篇笔记用来整理Collection 在Laravel 的实际应用场景。求和需求:遍历$orders 数组,求price 的和。 {代码...} 使用传统的foreach 方式进行遍历: {代码...
The chunkWhile method breaks the collection into multiple, smaller collections based on the evaluation of the given callback. The $chunk variable passed to the closure may be used to inspect the previous element:$collection = collect(str_split('AABBCCCD')); $chunks = $collection->chunkWhile(...
1$users = DB::table('users') 2 ->orderBy('name', 'desc') 3 ->get();To sort by multiple columns, you may simply invoke orderBy as many times as necessary:1$users = DB::table('users') 2 ->orderBy('name', 'desc') 3 ->orderBy('email', 'asc') 4 ->get();...
但当我使用sortBy方法对它进行排序时得到的结果是: $collection->sortBy('name')->values()->all(); [ [ "name" => "1", "symbol" => "@", ], [ "name" => "2a", "symbol" => "$", ], [ "name" => "a", "symbol" => "%", ...
$data = $this->StudentList->sortBy('date', SORT_NATURAL)->groupby('date'); ($data); GroupBy Result array:14 [▼ "2024-01-01" => Illuminate\Database\Eloquent\Collection {#1977 ▶} "2024-01-02" => Illuminate\Database\Eloquent\Collection {#1978 ▶} ...
returnTeamleaderCompany::orderBy($this->sorting,$this->sortOrder)->get()->pluck('email'); GodziLaravelOP Posted 4 years ago @sti3bas unfortunately I need multiple columns ! @mostafalaravelthen usemapmethod: Copy returnTeamleaderCompany::orderBy($this->sorting,$this->sortOrder)->get()->fl...
You can also perform raw expressions on the internal MongoCollection object. If this is executed on the model class, it will return a collection of models. If this is executed on the query builder, it will return the original response. ...
Then, you can iterate over the $admin collection and check the value of each column using an if-statement. If the column value is null, print null. If the column value is 1, print 1.foreach ($admin as $a) { if ($a->reg1 === null) { echo "null"; ...
NestableCollection Public A Laravel Package that extends Eloquent\Collection to handle nested items following adjacency list model. PHP 87 27 bootforms Public Rapid form generation with Bootstrap 5 and Laravel. PHP 12 7 Repositories Loading Type Language Sort Showing 10 of 44 repositories...
I commonly find that there is no shorthand way of sorting collections by multiple fields. A large amount of extra code is required just by adding in an extra field. What I really want to do is this: $collection->sortBy(['Surname', 'Foren...