Check validation on nested array dynamically

Question

{
     "name" : "parent_node",
     "children: 
[
    {
        "name" : "child-1",
        "children:
    [
            {
                "name" : "subchild-1",
               //unlimited childrens

            }
     ]  
    }

    ]
}


               ------------------------------------------

$rules = ([
        'name' => 'required|string',
        'children.*.name' => 'required|string'
         ]);

I want to check validation dynamically on dynamic nested array
Instead of using 'children.*.name
Validation should check nested array itself because i didn't bound nested array at any level, so there are infinite levels
You can see the image 'https://drive.google.com/file/d/1PAZC_TQQpwSEsY-ecUjh4lKoNcpKoOj9/view?usp=sharing'

I mean by overriding the validation process. But the simplest thing to do would be to check the rules manually on form submit — Beshambher Chaukhwan
– Beshambher Chaukhwan, Commented Feb 15, 2021 at 4:48

Anurat Chapanond · Accepted Answer · 2021-02-15 04:49:00Z

1

I think it's not possible to validate recursively using Laravel validation. you will have to do it manually for example

$children = $request->children;
if(!is_null($children[0]) {
    $children[0]->name;

    if(!is_null($children[0]->children[0]) {
        $children[0]->children[0]->name;
    }
}

answered Feb 15, 2021 at 4:49

Anurat Chapanond

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5 Comments

Atif Mahmood Over a year ago

I am using this to store nested array in DB its working but I am trying to use it on validation rules but i can't. $node[] = $request->all(); //loop for each nested array foreach($node as $node){ //create every nested array Node::create($node); }

Anurat Chapanond Over a year ago

yes @TheKayi'sKitchen, you can loop your result like that but probably have to change variable name a bit. foreach($nodes as $node)

Anurat Chapanond Over a year ago

validation rule does not support recursive validation like this afaik.

Atif Mahmood Over a year ago

$rules[] = ([ 'name' => 'required|string', 'children' => 'array', 'children.*.name' => 'required|string', ]); i tried it like this but it only validates first child only

Anurat Chapanond Over a year ago

@TheKayi'sKitchen yes, that's what i was saying

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