[12.x] feat: Add Contextual Implementation/Interface Binding via PHP8 Attribute

src/Illuminate/Container/Attributes/Give.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Illuminate\Container\Attributes;
+
+use Attribute;
+use Illuminate\Contracts\Container\Container;
+use Illuminate\Contracts\Container\ContextualAttribute;
+
+#[Attribute(Attribute::TARGET_PARAMETER)]
+class Give implements ContextualAttribute
+{
+    /**
+     * Provide a concrete class implementation for dependency injection.
+     *
+     * @template T
+     * @param  class-string<T> $class
+     * @param  array|null  $params
+     */
+    public function __construct(
+        public string $class,
+        public array $params = []
+    ) {}
+
+    /**
+     * Resolve the dependency.
+     *
+     * @param  self  $attribute
+     * @param  \Illuminate\Contracts\Container\Container  $container
+     * @return mixed
+     */
+    public static function resolve(self $attribute, Container $container): mixed
+    {
+        return $container->make($attribute->class, $attribute->params);
+    }
+}

tests/Container/ContextualAttributeBindingTest.php

@@ -15,6 +15,7 @@
 use Illuminate\Container\Attributes\CurrentUser;
 use Illuminate\Container\Attributes\Database;
 use Illuminate\Container\Attributes\Log;
+use Illuminate\Container\Attributes\Give;
 use Illuminate\Container\Attributes\RouteParameter;
 use Illuminate\Container\Attributes\Storage;
 use Illuminate\Container\Attributes\Tag;
@@ -46,7 +47,7 @@ public function testDependencyCanBeResolvedFromAttributeBinding()
     {
         $container = new Container;
 
-        $container->bind(ContainerTestContract::class, fn () => new ContainerTestImplB);
+        $container->bind(ContainerTestContract::class, fn (): ContainerTestImplB => new ContainerTestImplB);
         $container->whenHasAttribute(ContainerTestAttributeThatResolvesContractImpl::class, function (ContainerTestAttributeThatResolvesContractImpl $attribute) {
             return match ($attribute->name) {
                 'A' => new ContainerTestImplA,
@@ -65,6 +66,30 @@ public function testDependencyCanBeResolvedFromAttributeBinding()
         $this->assertInstanceOf(ContainerTestImplB::class, $classB->property);
     }
 
+    public function testSimpleDependencyCanBeResolvedCorrectlyFromGiveAttributeBinding()
+    {
+        $container = new Container;
+
+        $container->bind(ContainerTestContract::class, concrete: ContainerTestImplA::class);
+
+        $resolution = $container->make(GiveTestSimple::class);
+
+        $this->assertInstanceOf(SimpleDependency::class, $resolution->dependency);
+    }
+
+
+    public function testComplexDependencyCanBeResolvedCorrectlyFromGiveAttributeBinding()
+    {
+        $container = new Container;
+
+        $container->bind(ContainerTestContract::class, concrete: ContainerTestImplA::class);
+
+        $resolution = $container->make(GiveTestComplex::class);
+
+        $this->assertInstanceOf(ComplexDependency::class, $resolution->dependency);
+        $this->assertTrue($resolution->dependency->param);
+    }
+
     public function testScalarDependencyCanBeResolvedFromAttributeBinding()
     {
         $container = new Container;
@@ -161,6 +186,7 @@ public function testConfigAttribute()
         $container->make(ConfigTest::class);
     }
 
+
     public function testDatabaseAttribute()
     {
         $container = new Container;
@@ -435,6 +461,13 @@ public function __construct(
     }
 }
 
+final class SimpleDependency implements ContainerTestContract {}
+
+final class ComplexDependency implements ContainerTestContract
+{
+    public function __construct(public bool $param) {}
+}   
+
 final class AuthedTest
 {
     public function __construct(#[Authenticated('foo')] AuthenticatableContract $foo, #[CurrentUser('bar')] AuthenticatableContract $bar)
@@ -505,6 +538,24 @@ public function __construct(#[Storage('foo')] Filesystem $foo, #[Storage('bar')]
     }
 }
 
+final class GiveTestSimple
+{
+    public function __construct(
+        #[Give(SimpleDependency::class)]
+        public readonly ContainerTestContract $dependency
+    ) {
+    }
+}
+
+final class GiveTestComplex
+{
+    public function __construct(
+        #[Give(ComplexDependency::class, ['param' => true])]
+        public readonly ContainerTestContract $dependency
+    ) {
+    }
+}
+
 final class TimezoneObject
 {
     public function __construct(