Published in Laravel 5

Laravel 5 Collections: Determining If a Collection Has An Element With has

By John Koster

The has method is used to determine if a item exists in the collection based on a given $key. The has method returns true if the item exists and false if it does not.

#Signature

1public function has(

2    $key

3);

#Example Use

The following example demonstrates the usage of the has method:

 1use Illuminate\Support\Collection;

 2

 3// Create a new collection instance.

 4$collection = new Collection([

 5    'first'  => 'I am first',

 6    'second' => 'I am second'

 7]);

 8

 9// true

10$collection->has('first');

11

12// true

13$collection->has('second');

14

15// false

16$collection->has('third');

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