Cet Interview Problem 1

Problem1.php

$accountsJSON = '{
  "Header": {
    "Time": "2018-04-02T20:17:46.38"
  },
  "Current Account Balances": [
    {
      "AcctName" : "MassagePlace1",
      "AcctNum" : 10010,
      "CurrentBalance" : "24.20"
    },
    {
      "AcctName" : "MassagePlace1",
      "AcctNum" : 30500,
      "CurrentBalance" : "1124.00"
    },
    {
      "AcctName" : "MassagePlace1",
      "AcctNum" : 60001,
      "CurrentBalance" : "144.00"
    },
    {
      "AcctName" : "MassagePlace2",
      "AcctNum" : 10330,
      "CurrentBalance" : "524.00"
    },
    {
      "AcctName" : "MassagePlace2",
      "AcctNum" : 30550,
      "CurrentBalance" : "1444.77"
    },
    {
      "AcctName" : "MassagePlace2",
      "AcctNum" : 60010,
      "CurrentBalance" : "304.00"
    },
    {
      "AcctName" : "MassagePlace3",
      "AcctNum" : 10530,
      "CurrentBalance" : "294.00"
    },
    {
      "AcctName" : "MassagePlace3",
      "AcctNum" : 30600,
      "CurrentBalance" : "324.20"
    },
    {
      "AcctName" : "MassagePlace3",
      "AcctNum" : 63000,
      "CurrentBalance" : "104.01"
    }
    
  ]
}';

$accountsInfo = json_decode($accountsJSON, true);

// print_r("$accountsJSON\n");
$date = new DateTime($accountsInfo['Header']['Time']);

print_r("\nTime: {$date->format('m-d-Y')}\n");

$accounts = $accountsInfo['Current Account Balances'];
// print_r($accounts);

//Reduces our balances to an array where 0 = Checking, 1 = Savings, 2 = Expense
$sumBalances = array_reduce($accounts, function($sumArray, $account) {
  
  $acctNum = $account['AcctNum'];
  
  (($acctNum >= 10000 && $acctNum <= 19999) and $sumArray['Checking'] = $sumArray['Checking'] + $account['CurrentBalance'])
  or
  
  (($acctNum >= 30000 && $acctNum <= 39999) and $sumArray['Savings'] = $sumArray['Savings'] + $account['CurrentBalance'])
  or
  
  (($acctNum >= 60000 && $acctNum <= 69999) and $sumArray['Expenses'] = $sumArray['Expenses'] + $account['CurrentBalance'])
  ; 
  
  return $sumArray;
  
} ,["Checking" =>0.0, "Savings" => 0.0, "Expenses" => 0.0]); 
  
// print_r($sumBalances);
print("Checking Balance: ".number_format($sumBalances['Checking'], 2)."\n");
print("Savings Balance: ".number_format($sumBalances['Savings'], 2)."\n");
print("Expenses Balance: ".number_format($sumBalances['Expenses'], 2)."\n");