php - Get a specific key from first level in array only -

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im trying value specific key in array. however, key(name) exists @ 2 levels, , not have control of.

i need check array value of key 'totalweight' in multidimensional array.

im receiving array , doing check this....

$json = file_get_contents('php://input'); $body = json_decode($json, true);  if($body['eventname'] == 'shippingrates.fetch') {   $shippingweight = $body['content']['totalweight'];   // other logic code here... }

the rest of code works fine, problem 'totalweight' exists @ 2 levels, , need first level (which total weight of cart, not individual items in cart...)

the array receive looks this:

{   "eventname": "shippingrates.fetch",   "mode": "live",   "createdon": "2014-11-11t23:47:00.6132556z",   "content": {     "items": [       {         "totalweight": 1000,         "customfields": [           {             "name": "gift",             "operation": null,             "type": "checkbox",             "options": "true|false",             "required": false,             "value": "false"           }         ],         "unitprice": 180       },       {         "totalweight": 1200,         "customfields": [           {             "name": "gift",             "operation": null,             "type": "checkbox",             "options": "true|false",             "required": false,             "value": "false"           }         ],         "unitprice": 200       }     ],     "totalweight": 9600,     "customfields": [       {         "name": "i have read , accept   conditions of sale",         "operation": null,         "type": "checkbox",         "options": "true|false",         "required": true,         "value": "true"       }     ],      "itemscount": 5,     "metadata": null   } }

this how i'm checking....

if($shippingweight > '3000') {   $rate = $shippingrateshigh;  } elseif($shippingweight > '5000') {   $rate = $shippingratesmax; } else {   // default   $rate = $shippingratesstd; }

when have multiple items in cart, bases 'totalweight' on 1 of entries inside ['items'] array, if 1 product exists check works...

how can 'totalweight' inside 'content' without travelling further array inside 'items'.

any appreciated!

well start json data receiving object i.e. wrapped in {} , not array wrapped in [] why force array.

if use idea, think easier visualize.

$json = file_get_contents('php://input'); $body = json_decode($json);  echo 'the total weight of shipments ' . $body->content->totalweight;

if want individual item weights or example check item weights equal total weight, 

$sumofitemrates = 0; foreach( $body->content->items $item) {     $sumofitemrates += $item->totalweight; }  echo 'sum of individual items weights ' . $sumofitemrates;

i think objects easier , cleaner code arrays.

i tested code, here full test run using php cli:

<?php $json = '{   "eventname": "shippingrates.fetch",   "mode": "live",   "createdon": "2014-11-11t23:47:00.6132556z",   "content": {     "items": [       {         "totalweight": 1000,         "customfields": [           {             "name": "gift",             "operation": null,             "type": "checkbox",             "options": "true|false",             "required": false,             "value": "false"           }         ],         "unitprice": 180       },       {         "totalweight": 1200,         "customfields": [           {             "name": "gift",             "operation": null,             "type": "checkbox",             "options": "true|false",             "required": false,             "value": "false"           }         ],         "unitprice": 200       }     ],     "totalweight": 9600,     "customfields": [       {         "name": "i have read , accept   conditions of sale",         "operation": null,         "type": "checkbox",         "options": "true|false",         "required": true,         "value": "true"       }     ],      "itemscount": 5,     "metadata": null   } }';  $body = json_decode($json);  echo 'the total weight of shipments ' . $body->content->totalweight . php_eol;  $sumofitemrates = 0; foreach( $body->content->items $item) {     $sumofitemrates += $item->totalweight; }  echo 'sum of individual items weights ' . $sumofitemrates;

and output 

the total weight of shipments 9600 sum of individual items weights 2200

which believe asking do.


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