{"id":4861,"date":"2020-01-07T12:31:30","date_gmt":"2020-01-07T12:31:30","guid":{"rendered":"https:\/\/infyblog.zluck.in\/?p=4861"},"modified":"2024-08-12T09:45:13","modified_gmt":"2024-08-12T09:45:13","slug":"use-of-required-without-validation-rule-in-laravel","status":"publish","type":"post","link":"https:\/\/infyom.com\/blog\/use-of-required-without-validation-rule-in-laravel\/","title":{"rendered":"Use of Required Without Validation Rule in Laravel"},"content":{"rendered":"\t\t
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Last month, I got consulting for one Laravel project where we have to perform some complex validations.<\/p>

The scenario was while creating an order, either the customer can select the existing address from the dropdown or he may have an option to create a new address with all address fields.<\/p>

And when a customer hits enter, the backend needs to validate, if address_id<\/span> is sent into request then it needs to check if that address id exists and then use that address_id for that particular order. Otherwise, it needs to check if required fields (address1, city, zip, country) for the address are sent, then use them, create a new address and use that new address_id<\/span>.<\/p>

so far how validation was happening was manual, so in controller this all manual validation was happening. But I don’t find that a proper way. The goal was to do validation from CreateOrderRequest only. so it goes back with proper laravel error messages from a request only and displays them on the page. so we actually do not need to make any manual efforts to make this happen.<\/p>

That’s where required_without<\/span> validation rule helped us.<\/p>

The UI was something like this,<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\"Required\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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In the above UI, customers can either type Address1, Address2, City and Zip or just go and select an existing address from the dropdown.<\/p>

To do this validation from form request, we used the required_without<\/span> rule as following, ‘address_id’ => ‘required_without:address_1,city,zip|sometimes|nullable|exists:addresses,id’,<\/span><\/p>

Now let’s try to understand what’s happening here. To understand it better let’s divide the rules<\/p>

  1. required_without:address_1,city,zip<\/li>
  2. sometimes\\<\/li>
  3. nullable<\/li>
  4. exist:addresses,id<\/li><\/ol>

    1. required_without:address _1,city,zip<\/h2>

    This rule validates that address_id<\/span> field is required without the presence of address_1<\/span>, city<\/span> and zip<\/span> fields<\/p>

    2. sometimes<\/h2>

    This means, address_id<\/span> fields will be passed only sometimes and not required all the time. We need this because when address_1<\/span>, city<\/span> and zip<\/span> fields will be present then we do not need it at all.<\/p>

    3. nullable<\/h2>

    This means, address_id<\/span> fields can be null since it will be null when a customer does not select the address from the dropdown.<\/p>

    4. exist:addresses,id<\/h2>

    The passed value in address_id<\/span> fields, must exist in the addresses<\/span> table.<\/p>

    So this is how we solved this complex validation in a very easy way by using multiple powerful laravel validation rules.<\/p>

    Hope this can help others as well.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n

    \n\n\t\t\n
      \n\t\t\t <\/ul>\n <\/div> \n","protected":false},"excerpt":{"rendered":"

      How to handle complex laravel validation rules like required_without with checking if a record exists for a given id in…<\/p>\n","protected":false},"author":2,"featured_media":4865,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"two_page_speed":[],"footnotes":""},"categories":[9],"tags":[19],"class_list":["post-4861","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laravel","tag-learning"],"yoast_head":"\nUse of Required Without Validation Rule in Laravel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infyom.com\/blog\/use-of-required-without-validation-rule-in-laravel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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