PHP Collection Collection::keyBy Examples

Example #1

File: SupportCollectionTest.php Project: stillat/collection

 public function testKeyByClosure()
 {
     $data = new Collection([['firstname' => 'Taylor', 'lastname' => 'Otwell', 'locale' => 'US'], ['firstname' => 'Lucas', 'lastname' => 'Michot', 'locale' => 'FR']]);
     $result = $data->keyBy(function ($item) {
         return strtolower($item['firstname'] . $item['lastname']);
     });
     $this->assertEquals(['taylorotwell' => ['firstname' => 'Taylor', 'lastname' => 'Otwell', 'locale' => 'US'], 'lucasmichot' => ['firstname' => 'Lucas', 'lastname' => 'Michot', 'locale' => 'FR']], $result->all());
 }