Removing specific nested array key from request

Question

I've run into a specific problem, where I need to remove specific nested array key from my request, so it doesn't store in my database. I created a Request class, and this is how I tried to accomplish this so far:

This is my data that I'm getting from request after form submit:

  "options" => array:2 [▼
    "product_options" => array:1 [▶]
    "additional_product_options" => array:1 [▼
      "Tenetur dolor labore" => null
    ]
  ]

As you can see, additional_product_options array has a key with an empty value, and so I want to remove this key from array completely. I tried this using both unset() and array_filter(), but I'm not getting desired result. This is how I tried it so far:

if(isset($this->input('options')['additional_product_options'])){
            foreach ($this->input('options')['additional_product_options'] as $key => $val){
                if(is_null($key) || is_null($val)){ //Check for null values
                    unset($this->input('options')['additional_product_options'][$key]); //Remove key from array
                }
            }
        }

After I dump my request with dd($this->options()), I'm still getting Tenetur dolor labore key in this array:

array:2 [▼
  "product_options" => array:1 [▼
    "Et sit id culpa rep" => "sdad,ads"
  ]
  "additional_product_options" => array:1 [▼
    "Tenetur dolor labore" => null
  ]
]

With array_filter(), I'm still getting the same results:

if(isset($this->input('options')['additional_product_options'])){
     array_filter($this->input('options')['additional_product_options']);
}

After dumping my data, the key is still here:

  "options" => array:2 [▼
    "product_options" => array:1 [▶]
    "additional_product_options" => array:1 [▼
      "Tenetur dolor labore" => null
    ]
  ]

In ideal case,the Tenetur dolor labore key would be removed completely, and additional_product_options array would be empty. What am I doing wrong here?

Just to check $this->input() this is a method that returns a value. So each time you call it then will this be a new value or does it set the value back to wherever it gets the data from? — Nigel Ren
– Nigel Ren, Commented May 28, 2020 at 19:44
array_filter does not remove data, it filters out data from a specific array. — bestprogrammerintheworld
– bestprogrammerintheworld, Commented May 28, 2020 at 20:28
@NigelRen The $this->input() actually returns all the data that was sent when the form was submitted, so it will change when the form data changes. — zlatan
– zlatan, Commented May 29, 2020 at 6:34
My point is that you don't actually store this data and manipulate the value, you constantly retrieve it and change the return from it. Inside the if, something like $options = $this->input('options')['additional_product_options']; and then process $options instead. — Nigel Ren
– Nigel Ren, Commented May 29, 2020 at 6:37

OMR · Accepted Answer · 2020-05-28 19:48:53Z

1

try this ... i have test it for current options array:

for test reason, i made the option array:

   $options = ['product_options' => ['additional_product_options' => 
['Tenetur dolor labore' => null]], 'additional_product_options' => 'some value'];

then

  unset($options['product_options']['additional_product_options']['Tenetur dolor labore']);

the result is removing the key as we want ...

answered May 28, 2020 at 19:48

OMR

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1 Comment

zlatan Over a year ago

Hmm, this will work, but I will get different additional_product_options keys every time I submit a new form, so this would have to be more dynamic.

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