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@ 2018-02-18T08:47:24Z

<?php

$json = '[{
        "provider_id":1,
        "nro_chart":1,
        "control": {
            "color": "blue",
            "total_value": 21.5,
            "car_id": 421118
        }
    },
    {
        "control": {
            "color": "green",
            "total_value": 25,
            "car_id": 421119
        }
    },
    {
        "control": {
            "color": "red",
            "total_value": 18,
            "car_id": 421519
        }
    }
]';

$array = json_decode($json,true);  // decode as array

//list($provider_id,$nro_chart)=array_values(array_splice($array[0],0,2));  // extract and declare single occurrence values

$provider_id=$array[0]['provider_id'];
$nro_chart=$array[0]['nro_chart'];

foreach($array as $index=>&$subarray){
    $subarray=['total_value'=>$subarray['control']['total_value'],'car_id'=>$subarray['control']['car_id']];
}

echo "provider_id = $provider_id\n";  // display integer value
echo "nro_chart = $nro_chart\n";      // display integer value
var_export($array);                   // display updated array

Output for git.master, git.master_jit, rfc.property-hooks: provider_id = 1 nro_chart = 1 array ( 0 => array ( 'total_value' => 21.5, 'car_id' => 421118, ), 1 => array ( 'total_value' => 25, 'car_id' => 421119, ), 2 => array ( 'total_value' => 18, 'car_id' => 421519, ), )

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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