I'm new to json and php,
I trying to encode arrays into JSON object.  
I tried this JSON array:
<?php
    $requestJson = json_encode([
        'orderNumber'=> "502763-20171027-00006701",
        'PackageModelList'=>
        [
          (
            "basketId": 10666496,
            "SenderModel": 
            (
              "phoneNumber": "5678"
            ),
            "ItemModelList": 
            [
              (
                "itemDetailId": 10666496
              )
            ]
          ),
          (
            "basketId": 10666497,
            "SenderModel": 
            (
              "phoneNumber": "5678"
            ),
            "ItemModelList": 
            [
              (
                "itemDetailId": 10666497
              )
            ]
          )
        ]       
    ]);
?>
but this result is this.
PHP Parse error: syntax error, unexpected ':' in C:\test.php on line 7
I modfied : to =>, but same result.
PHP Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in C:\test.php on line 7
What is problem?
Thanks in advance for reply.  
 
     
    