[10.x] createMany & createManyQuietly make argument optional (#48070)

* Add null as possible argument to createMany

* Update Factory.php

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: JHWelch

src/Illuminate/Database/Eloquent/Factories/Factory.php

@@ -235,11 +235,15 @@ public function createOneQuietly($attributes = [])
     /**
      * Create a collection of models and persist them to the database.
      *
-     * @param  int|iterable<int, array<string, mixed>>  $records
+     * @param  int|null|iterable<int, array<string, mixed>>  $records
      * @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>
      */
-    public function createMany(int|iterable $records)
+    public function createMany(int|iterable|null $records = null)
     {
+        if (is_null($records)) {
+            $records = $this->count ?? 1;
+        }
+
         if (is_numeric($records)) {
             $records = array_fill(0, $records, []);
         }
@@ -254,10 +258,10 @@ public function createMany(int|iterable $records)
     /**
      * Create a collection of models and persist them to the database without dispatching any model events.
      *
-     * @param  int|iterable<int, array<string, mixed>>  $records
+     * @param  int|null|iterable<int, array<string, mixed>>  $records
      * @return \Illuminate\Database\Eloquent\Collection<int, \Illuminate\Database\Eloquent\Model|TModel>
      */
-    public function createManyQuietly(int|iterable $records)
+    public function createManyQuietly(int|iterable|null $records = null)
     {
         return Model::withoutEvents(function () use ($records) {
             return $this->createMany($records);

tests/Database/DatabaseEloquentFactoryTest.php

@@ -130,6 +130,14 @@ public function test_basic_model_can_be_created()
         $this->assertInstanceOf(Collection::class, $users);
         $this->assertCount(2, $users);
 
+        $users = FactoryTestUserFactory::times(2)->createMany();
+        $this->assertInstanceOf(Collection::class, $users);
+        $this->assertCount(2, $users);
+
+        $users = FactoryTestUserFactory::new()->createMany();
+        $this->assertInstanceOf(Collection::class, $users);
+        $this->assertCount(1, $users);
+
         $users = FactoryTestUserFactory::times(10)->create();
         $this->assertCount(10, $users);
     }

types/Database/Eloquent/Factories/Factory.php

@@ -76,12 +76,14 @@ public function definition()
     [['string' => 'string']]
 ));
 assertType('Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>', $factory->createMany(3));
+assertType('Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>', $factory->createMany());
 
 // assertType('Illuminate\Database\Eloquent\Collection<int, User>', $factory->createManyQuietly([['string' => 'string']]));
 assertType('Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>', $factory->createManyQuietly(
     [['string' => 'string']]
 ));
 assertType('Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>', $factory->createManyQuietly(3));
+assertType('Illuminate\Database\Eloquent\Collection<int, Illuminate\Database\Eloquent\Model>', $factory->createManyQuietly());
 
 // assertType('Illuminate\Database\Eloquent\Collection<int, User>|User', $factory->create());
 // assertType('Illuminate\Database\Eloquent\Collection<int, User>|User', $factory->create([