[11.x] Allows enum_value() to be use in standalone illuminate/collections (#53871)

* [11.x] Allows `enum_value()` to be use in standalone `illuminate/collections`

fixes #53867

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

* Update ModelInspector.php

* Update functions.php

* wip

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

* wip

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

---------

Signed-off-by: Mior Muhammad Zaki <crynobone@gmail.com>

Author: crynobone

src/Illuminate/Collections/functions.php

@@ -17,11 +17,11 @@
      */
     function enum_value($value, $default = null)
     {
-        return transform($value, fn ($value) => match (true) {
+        return match (true) {
             $value instanceof \BackedEnum => $value->value,
             $value instanceof \UnitEnum => $value->name,
 
-            default => $value,
-        }, $default ?? $value);
+            default => $value ?? value($default),
+        };
     }
 }

src/Illuminate/Database/Eloquent/ModelInspector.php

@@ -393,7 +393,7 @@ protected function getColumnDefault($column, $model)
     {
         $attributeDefault = $model->getAttributes()[$column['name']] ?? null;
 
-        return enum_value($attributeDefault, $column['default']);
+        return enum_value($attributeDefault) ?? $column['default'];
     }
 
     /**

tests/Support/SupportEnumValueFunctionTest.php

@@ -11,25 +11,25 @@
 
 class SupportEnumValueFunctionTest extends TestCase
 {
-    public function test_it_can_handle_enums_value()
-    {
-        $this->assertSame('A', enum_value(TestEnum::A));
-
-        $this->assertSame(1, enum_value(TestBackedEnum::A));
-        $this->assertSame(2, enum_value(TestBackedEnum::B));
-
-        $this->assertSame('A', enum_value(TestStringBackedEnum::A));
-        $this->assertSame('B', enum_value(TestStringBackedEnum::B));
-    }
-
     #[DataProvider('scalarDataProvider')]
     public function test_it_can_handle_enum_value($given, $expected)
     {
         $this->assertSame($expected, enum_value($given));
     }
 
+    public function test_it_can_fallback_to_use_default_if_value_is_null()
+    {
+        $this->assertSame('laravel', enum_value(null, 'laravel'));
+        $this->assertSame('laravel', enum_value(null, fn () => 'laravel'));
+    }
+
     public static function scalarDataProvider()
     {
+        yield [TestEnum::A, 'A'];
+        yield [TestBackedEnum::A, 1];
+        yield [TestBackedEnum::B, 2];
+        yield [TestStringBackedEnum::A, 'A'];
+        yield [TestStringBackedEnum::B, 'B'];
         yield [null, null];
         yield [0, 0];
         yield ['0', '0'];