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Memoized Cache Driver in Laravel 12.9

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Memoized Cache Driver in Laravel 12.9 image

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The Laravel team released v12.9.0, which includes a memoized cache driver, convenient relationship autoloading for a model instance, a DB transaction failure callback, and more:

Memoized Cache Driver

Tim MacDonald contributed a memoized cached driver which decorates any other cache driver in memory:

We put things in the cache because the cache is fast; that doesn't mean hitting the cache is free.

This PR introduces a memoized cache driver. This new driver is a decorator around other cache drivers. It will remember values resolved from the cache and store them in memory for the remainder of the execution.

Cache::get('foo');         // hits the cache
Cache::get('foo');         // hits the cache
Cache::get('foo');         // hits the cache
 
Cache::memo()->get('foo'); // hits the cache
Cache::memo()->get('foo'); // does not hit the cache
Cache::memo()->get('foo'); // does not hit the cache

Check out the cache documentation to learn more about memoization. Also, check out Pull Request #55304 for full details and discussion around this feature.

Freeze Time Test Updates

Jason McCreary contributed an update to the freezeTime() and freezeSecond() test methods, which now return the date if no callback is provided:

This PR aims to provide that by updating Laravel's freezeTime and freezeSecond to return the "frozen time" when not passed a callback. The above example may now be written as follows and passes out-of-the-box, providing a smoother testing DX free of time gotchas.

// Before
$now = now();
Carbon::setTestNow($now);
 
$post->slug = $slug;
$post->save();
 
$package->refresh();
$this->assertTrue($now->equalTo($post->updated_at));
 
// After
$now = $this->freezeSecond();
 
$post->slug = $slug;
$post->save();
 
$package->refresh();
$this->assertTrue($now->equalTo($post->updated_at));

See Pull Request #55323 for discussion and implementation.

Add a Callback for DB Transaction Failures

Davey Shafik contributed a new argument to the DB::transaction() method that allows you to pass a callback to be executed when the transaction fails:

DB::transaction(
    callback: function () {
        // do DB stuff
    },
    onFailure: function () {
        Notification::send($admin, new SomethingImportantBroke());
    }
);

Model Relationship Autoloading from a Model

Serhii Litvinchuk contributed model relationship autoloading:

In the current implementation #53655 Automatic Relation Loading we can only use withRelationshipAutoloading only on collections.

Sometimes we need to enable automatic relation loading for single model:

// Before
$post->tags->withRelationshipAutoloading();
$post->authors->withRelationshipAutoloading();
 
// After
$post->withRelationshipAutoloading();

Add Descriptive Error Messages to assertViewHas()

@3Descape contributed an update to error messages when using assertViewHas(). Given the following example from the pull request:

$response->assertViewHasAll([
    'key_without_value',
    'key_with_value' => 10,
    'key_with_closure' => fn ($value) => $value == 10,
    'key_with_model' => Customer::first(),
    'key_with_collection' => Customer::factory()->count(10)->create(),
]);

Before, you would get a generic error message for an assertion failure, but now you'll get more informative details to help you understand what failed:

# Before
1) Tests\Feature\App\Http\CustomerControllerTest::a_test_example
Failed asserting that false is true.
 
# After
1) Tests\Feature\App\Http\CustomerControllerTest::a_test_example
Failed asserting that 'key_with_value' matches the expected value.
Failed asserting that 0 matches expected 10.

Fluent make() Method

Michael Nabil contributed a Fluent::make() method to create a fluent instance:

use Illuminate\Support\Fluent;
 
$instance = Fluent::make($attributes);

Release notes

You can see the complete list of new features and updates below and the diff between 12.8.0 and 12.9.0 on GitHub. The following release notes are directly from the changelog:

v12.9.0

Paul Redmond photo

Staff writer at Laravel News. Full stack web developer and author.

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