How to receive multiple values "Array" from POSTMAN application/json in raw form in PHP

Question

I am having a little issue when I try to receive multiple array values in PHP for validation. I have this object with values in POSTMAN raw form, application/json :

{
  "name":"create_insert_new_delivery",
  "param":{
       "email_of_shipment_owner":"[email protected]",
       "shipment_type ":"B",
       "item_name": ["50", "60"],
       "item_weight ": ["H", "I"],
       "item_length": ["70", "90"]
 }
}

When I try to receive $item_name = $this->validateParameter('item_name', $this->param['item_name'], ARRAY, true); like the two strings below are received I get this

**ERROR : **

[04-Jul-2018 13:16:58 UTC] PHP Parse error: syntax error, unexpected ',', expecting '(' in /home/osconliz/public_html/Osconlizapicall/api.php on line 304

The receiving code below.

LINE 302

$email_of_shipment_owner = $this->validateParameter('email_of_shipment_owner', $this->param['email_of_shipment_owner'], STRING, true);

LINE 303

 $shipment_type = $this->validateParameter('shipment_type', $this->param['shipment_type'], STRING, true);

LINE 304

$item_name = $this->validateParameter('item_name', $this->param['item_name'], ARRAY, true);

LINE 305

 $item_weight = $this->validateParameter('item_weight', $this->param['item_weight'], ARRAY, true);

LINE 306

$item_length = $this->validateParameter('item_length', $this->param['item_length'], ARRAY, true);

but the STRINGS are received properly :

public function validateParameter($fieldName, $value, $dataType, $required = true){
        switch ($dataType) {
            case BOOLEAN:
            if (!is_bool($value)){
                $this->throwError(VALIDATE_PARAMETER_DATATYPE, "Datatype is not valid for " . $fieldName . ' it should be boolean.');
            }
            break;
            case INTEGER:
            if (!is_numeric($value)){
                $this->throwError(VALIDATE_PARAMETER_DATATYPE, "Datatype is not valid for " . $fieldName . ' it should be integer.');
            }
            break;
            case STRING:
            if (!is_string($value)){
                $this->throwError(VALIDATE_PARAMETER_DATATYPE, "Datatype is not valid for " . $fieldName . ' it should be string.');
            }
            break;
            case ARRAY:
            if (!is_array($value)){
                $this->throwError(VALIDATE_PARAMETER_DATATYPE, "Datatype is not valid for " . $fieldName . ' it should be array.');
            }
            break;

            default:
            $this->throwError(VALIDATE_PARAMETER_DATATYPE, "Datatype is not valid for " . $fieldName);
            break;

        }

        return $value;
  }

After receiving I want validate data like this

    if ($this->item_category == ""){

          } else {


          if ($this->item_category == "A" || $this->item_category == "B" || $this->item_category == "C" || $this->item_category == "D" || $this->item_category == "E" || $this->item_category == "F" || $this->item_category == "G" || $this->item_category == "H") {

          } else {
            $this->throwError(INVALID_DATA_TTT, "Invalid item category");
           exit();  
          }
          }

Following the error, this has nothing to do with your logic and is just a , that is floating around somewhere. I haven't spotted it yet though. — Loek
– Loek, Commented Jul 4, 2018 at 13:52
@loek Thanks, but is it the correct way of receiving "$item_name = $this->validateParameter('item_name', $this->param['item_name'], ARRAY, true);" an array format. — Shasha
– Shasha, Commented Jul 4, 2018 at 13:53
It's actually very logical, but I didn't expect it at all. See my answer. — Loek
– Loek, Commented Jul 4, 2018 at 13:56
@loek thanks for the answer but could you give an example cause I dont seem to grab "This is because ARRAY is an apparently case-insensitive function for creating arrays" especially this part "The easiest way to fix this, is to just pick another keyword I guess?" cause array is the receiving format just like th string listed above. — Shasha
– Shasha, Commented Jul 4, 2018 at 13:59

Loek · Accepted Answer · 2018-07-04 13:56:16Z

3

This is because ARRAY is an apparently case-insensitive function for creating arrays. See it here: https://3v4l.org/keu3K

The easiest way to fix this, is to just pick another keyword I guess?

EDIT - For reference, all the reserved keywords and functions in php: https://secure.php.net/manual/en/reserved.keywords.php

answered Jul 4, 2018 at 13:56

Loek

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