laravel wherein query code example

Example 1: laravel not in query

DB::table(..)->select(..)->whereNotIn('book_price', [100,200])->get();

Example 2: wherein laravel

DB::table('user')->whereIn('id', [100,200])->get();

Example 3: join in laravel eloquent

$customer = DB::table('customers')
                ->join('shops', 'customers.shop_id', '=', 'shops.shop_id')
                ->where('customer_contact', $contact_no)
                ->get();

Example 4: Laravel query where and

Table::where('Column', Value)->where('NewColumn', Value)->get();

Example 5: laravel wherein like

$admin_permissions = Permission::all();
// Teacher Role
$teacher_permissions = $admin_permissions->filter(function ($permission) {
  return substr($permission->title, 0, 8) == 'teacher_';
});