Laravel Collection - Remove Object containing empty array

Question

I have an Collection of objects - some of which contain empty arrays.

object(Illuminate\Support\Collection)#34225 (1) {
  ["items":protected]=>
  array(0) {
  }
}
object(Illuminate\Support\Collection)#34226 (1) {
  ["items":protected]=>
  array(0) {
  }
}
object(Illuminate\Support\Collection)#34227 (1) {
  ["items":protected]=>
  array(0) {
  }
}
object(Illuminate\Support\Collection)#34228 (1) {
  ["items":protected]=>
  array(0) {
  }
}
object(Illuminate\Database\Eloquent\Collection)#23760 (1) {
  ["items":protected]=>
  array(2) {
    [0]=>
    object(App\Models\File)#23766 (27) {
      ["primaryKey":protected]=>
      string(6) "FileID"
      ["table":protected]=>

I could use someones help in filtering the Collection of objects so that the objects containing empty arrays are gone/removed.

So that all that remains are the objects with non empty arrays

object(Illuminate\Database\Eloquent\Collection)#23760 (1) {
  ["items":protected]=>
  array(2) {
    [0]=>
    object(App\Models\File)#23766 (27) {
      ["primaryKey":protected]=>
      string(6) "FileID"

I have populated the collection using

 $things = $foos->get($thing->ID, collect());

Any help would be greatly appreciated

Foued MOUSSI · Accepted Answer · 2020-02-11 15:02:42Z

5

You may convert it to an array using toArray() method

$things = $foos->get($thing->ID, collect())->toArray();

foreach($things as $thing) {
   if(empty($thing['items'])) {
       unset($thing);
   }
}

$things = array_values($things);

Or

Using filter()

The filter method filters the collection using the given callback, keeping only those items that pass a given truth test:

$things = $foos->get($thing->ID, collect());

$filtered = $things->filter(function ($value, $key) {
    return !empty($value->items) ;
});

$result = $filtered->all();

edited Feb 11, 2020 at 15:02

answered Feb 11, 2020 at 13:44

Foued MOUSSI

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4 Comments

last_shogun Over a year ago

Now I have an array but contains empty arrays still

last_shogun Over a year ago

array(0) { }array(2) {   [0]=>   object(App\Models\File)#23766 (27) {     ["primaryKey":protected]=>     string(6) "FileID"     ["table":protected]=>

last_shogun Over a year ago

I wish to remove all array(0) items.

Foued MOUSSI Over a year ago

Glad to help, if this answer solved your problem please mark it as accepted by clicking the check mark next to the answer. see: How does accepting an answer work? for more information

112Legion · Accepted Answer · 2023-03-10 12:59:06Z

1

Collection Unexpectedly :) has a method filter.

$collection = collect([
[],
['1'],
[],
]);

$collection->filter(); // will return collection with only [ [1] ]

This is only if you have a collection of arrays. If you have a collection of collections you would need to pass the filter function. fn(Collection $c) => $c->isNotEmpty()

edited Mar 10, 2023 at 12:59

answered Feb 11, 2020 at 14:27

112Legion

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1 Comment

last_shogun Over a year ago

Still contains the items with array(0) { }

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