Laravel request validation on array

Question

Lets say I submit this form:

<form>
    <input type="text" name="emails[]">
    <input type="text" name="emails[]">
    <input type="text" name="emails[]">
    <input type="text" name="emails[]">
    <input type="text" name="emails[]">
</form>

How do I then validate that at least one (anyone) of the $request->emails[] is filled?

I have tried this - however it does not work:

 $request->validate([
     'emails' => 'array|min:1',
     'emails.*' => 'nullable|email',
 ]);

Laravel 7

STA · Accepted Answer · 2020-11-03 09:32:32Z

2

Try this

$request->validate([
    'emails' => 'array|required',
    'emails.*' => 'email',
]);

Cordially

edited Nov 3, 2020 at 9:32

STA

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answered Nov 3, 2020 at 9:17

ml59

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2 Comments

Line in Linus Over a year ago

Nope - it "requires" all fields to be set.

ml59 Over a year ago

wich field are you talking ? I can see only one email field in your form.

ZeroOne · Accepted Answer · 2020-11-03 11:58:42Z

1

To meet your requirement, you may need custom rule

First create a rule, php artisan make:rule YourRuleName

inside YourRuleName.php

 public function passes($attribute, $value)
 {
     foreach(request()->{$attribute} as $email) {
         // if not null, then just return true. 
         // its assume in arrays some item have values
         if ($email) { // use your own LOGIC here
             return true;
         }
     }

     return false;
 }

Then,

 $request->validate([
     'emails' => [new YourRuleName],
 ]);

edited Nov 3, 2020 at 11:58

answered Nov 3, 2020 at 11:31

ZeroOne

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3 Comments

bhucho Over a year ago

if($email) will not give correct results if the user passes spaces as value

ZeroOne Over a year ago

its just example tho.. replace with your logic in that..

Line in Linus Over a year ago

Thanks @ZeroOne. The final solution as above + 'candidate_email' => [new MinOneArrayFilled], 'candidate_email.*' => ['email', 'nullable']

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