Laravel Array Helpers

use Illuminate\Support\Arr; $stack = ['Tailwind', 'Alpine', 'Laravel', 'Livewire']; Arr::join($stack, ', '); // Tailwind, Alpine, Laravel, Livewire implode($stack, ', '); // Tailwind, Alpine, Laravel, Livewire $stack_2 = ['Tailwind', 'Alpine', 'Laravel', 'Livewire']; Arr::join($stack_2, ', ', ', and'); // Tailwind, Alpine, Laravel, and Livewire 

 $array = [ ['product_id' => 'prod-100', 'name' => 'Desk'], ['product_id' => 'prod-200', 'name' => 'Chair'], ]; $keyed = []; foreach ($array as $value) { $keyed[$value['product_id']] = $value; } /* [ 'prod-100' => ['product_id' => 'prod-100', 'name' => 'Desk'], 'prod-200' => ['product_id' => 'prod-200', 'name' => 'Chair'], ] */ // Using the Arr::keyBy() method, you can do the same thing with one line of code $keyed = Arr::keyBy($array, 'product_id'); 

use Illuminate\Support\Arr; $data = [ 'products' => [ 'desk' => [ 'name' => 'Oakendesk' 'price' => 599.00, 'description' => 'Solid oak desk built from scratch.' ], ], ]; // 599.00 Arr::get($data, 'products.desk.price'); // Returns false Arr::has($data, 'products.desk.discount'); // Returns null Arr::get($data, 'products.desk.discount'); // Returns custom default value if not found. Arr::get($data, 'products.desk.discount', ['type' => 'percent', 'value' => 10]); 

// end() $array = [100, 200, 300, 110]; end($array); // If your array is empty, though, you will get false instead $array = []; end($array); // false // Using Laravel's last() helper, you have multiple options when an array is empty use Illuminate\Support\Arr; $array = []; Arr::last($array); // null // Provide a default Arr::last($array, null, 100); // 100 // Using Laravel's helper also enables you to pass a closure as a second argument as the condition for which element to return first or last respectively $array = [100, 200, 300, 110]; Arr::last($array, fn ($e) => $e > 110); // 300 Arr::first($array, fn ($e) => $e > 110); // 200 

$array = [ ['user' => ['id' => 1, 'name' => 'User 1', 'email' => 'user1@example.com']], ['user' => ['id' => 2, 'name' => 'User 2', 'email' => 'user2@example.com']], ]; $emails = []; foreach ($array as $result) { $emails[] = $result['user']['email']; } /* [ "user1@example.com", "user2@example.com", ] */ // Laravel's Arr::pluck() helper makes this trivial Arr::pluck($array, 'user.email');