POST multiple fields with same name in Laravel

Question

I'm trying to create a shopping cart and I want to POST multiples fields with same name and process them

<?php foreach($datacart as $datacart) { ?>
<form method="post" action="/update-cart">

<input type="hidden" name="rowid" value="{{$datacart->rowid}}">
<input type="text" name="quantity" value="{{$datacart->quantity}}">

 <?php }>

<input type="submit" value="update">

</form>


public function update_cart(request $request){

   $rowId = $request->rowid;
   $quantity = $request->quantity;



   Cart::update($rowId, $quantity);

}

First displaying all products using a foreach. Then each item has a hidden rowid and a quantity.

Below code is showing my controller. But with this code, it only updates one item (lastone). But I want to update each product's quantity separately

Forgot to mention, I use https://github.com/Crinsane/LaravelShoppingcart as my cart plugin

nakov · Accepted Answer · 2019-05-10 22:03:56Z

6

First of lets improve your blade file, you can use blade syntax instead of PHP, so here:

<form method="post" action="/update-cart">
    @csrf

    @foreach($datacart as $datacart)
        <input type="hidden" name="rowid[]" value="{{$datacart->rowid}}">
        <input type="text" name="quantity[]" value="{{$datacart->quantity}}">
    @endforeach

    <input type="submit" value="update">
</form>

so notice the name attributes of the input elements now are accepting multiple values as an array. Then to process it in your controller you can do the following:

public function update_cart(Request $request) {

    foreach ( $request->rowid as $index => $id ) {
       Cart::find($id)->update(['quantity' => $request->quantity[$index]]);
    }

}

-- EDIT

Just tested calling update on the model as static method won't work.

edited May 10, 2019 at 22:03

answered May 10, 2019 at 21:52

nakov

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1 Comment

Latheesan Over a year ago

this will only works, if the fields id and quantity are marked as fillable in the Cart model - laravel.com/docs/5.8/eloquent#mass-assignment

John Aldrin · Accepted Answer · 2019-05-10 21:52:41Z

1

You need to append [] after the name

<input type="hidden" name="rowid[]" value="{{$datacart->rowid}}">
<input type="text" name="quantity[]" value="{{$datacart->quantity}}">

Then in your controller method

public function update_cart(Request $request) {
  for ($i = 0; $i < count($request->input('rowid')); $i++) {
    $cart = Cart::find($request->input('rowid')[$i];

    $cart->quantity = $request->input('quantity')[$i];
  }
}

answered May 10, 2019 at 21:52

John Aldrin

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Comments

Latheesan · Accepted Answer · 2019-05-10 21:57:16Z

So, what you need to do is define in the html markup is that the input is an array like this:

i.e. using square brackets [] next to the name of the input elements

<?php foreach($datacart as $datacart) { ?>
<form method="post" action="/update-cart">

<input type="hidden" name="rowid[]" value="{{$datacart->rowid}}">
<input type="text" name="quantity[]" value="{{$datacart->quantity}}">

 <?php }>

<input type="submit" value="update">

</form>

and then when you handle the request in the controller method, you need to process it like this:

public function update_cart(request $request) {
    foreach ($request->rowid as $index => $rowid) {
        $quantity = $request->quantity[$index];
        Cart::where('id', $rowId)
            ->update([
                'quantity' => $quantity
            ]);
    }
}

Kelum Isuranga · Accepted Answer · 2019-05-11 14:34:06Z

0

thanks all. this code worked for me. i used for loop with a index

<input type="hidden" name="rowid[]" value="{{$datacart->rowid}}">
<input type="text" name="quantity[]" value="{{$datacart->quantity}}">

,

 for ($i = 0; $i < count($request->input('rowid')); $i++){

            Cart::update($request->rowid[$i], $request->quantity[$i]);

        }

answered May 11, 2019 at 14:34

Kelum Isuranga

411 silver badge4 bronze badges

1 Comment

nakov Over a year ago

You should accept an answer that helped you, as all the suggestions were what you just showed. And not answering with what helped you taken from another answers.

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