Illuminate\Support\Collection::whereInStrict PHP Method

    public function whereInStrict($key, $values)
    {
        return $this->whereIn($key, $values, true);
    }

 public function testWhereInStrict()
 {
     $c = new Collection([['v' => 1], ['v' => 2], ['v' => 3], ['v' => '3'], ['v' => 4]]);
     $this->assertEquals([['v' => 1], ['v' => 3]], $c->whereInStrict('v', [1, 3])->values()->all());
 }