Online PHP editor | output for YXP3o

@ 2020-08-27T15:04:46Z

<?php

$json = <<<JSON
{
    "mlb": {
        "james": {
            "avgTotalPoints": 80.675,
            "avgPointsDifferential": -0.8112500000000002,
            "rank": null
        },
        "mary": {
            "avgTotalPoints": 114.9875,
            "avgPointsDifferential": 6.262500000000003,
            "rank": null
        },
        "lucas": {
            "avgTotalPoints": 66.825,
            "avgPointsDifferential": -9.10625,
            "rank": null
        },
        "timothy": {
            "avgTotalPoints": 69.2625,
            "avgPointsDifferential": -19.14125,
            "rank": null
        },
        "samantha": {
            "avgTotalPoints": 91.625,
            "avgPointsDifferential": -36.85000000000001,
            "rank": null
        }
    },
    "nhl": {
        "samantha": {
            "avgTotalPoints": 82.20000000000002,
            "avgPointsDifferential": 15.005714285714289,
            "rank": null
        },
        "peter": {
            "avgTotalPoints": 77.65714285714284,
            "avgPointsDifferential": -13.31857142857143,
            "rank": null
        },
        "rick": {
            "avgTotalPoints": 91.61428571428571,
            "avgPointsDifferential": 11.217142857142859,
            "rank": null
        },
        "bubba": {
            "avgTotalPoints": 119.60000000000001,
            "avgPointsDifferential": 28.13333333333334,
            "rank": null
        },
        "james": {
            "avgTotalPoints": 90.18571428571428,
            "avgPointsDifferential": 10.915714285714285,
            "rank": null
        }
    }
}
JSON;

function sortHighestToLowest(array $arr): array
{
  return array_map(static function (array $entries): array {
    uasort($entries, static function (array $entry1, array $entry2): int {
      return $entry2['avgTotalPoints'] <=> $entry1['avgTotalPoints'];
    });
    
    $rank = 0;
    foreach ($entries as &$entry) {
      $entry['rank'] = ++$rank;
    }
    
    return $entries;
  }, $arr);
}

$arr = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
print_r(sortHighestToLowest($arr));

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1: Array ( [mlb] => Array ( [mary] => Array ( [avgTotalPoints] => 114.9875 [avgPointsDifferential] => 6.2625 [rank] => 1 ) [samantha] => Array ( [avgTotalPoints] => 91.625 [avgPointsDifferential] => -36.85 [rank] => 2 ) [james] => Array ( [avgTotalPoints] => 80.675 [avgPointsDifferential] => -0.81125 [rank] => 3 ) [timothy] => Array ( [avgTotalPoints] => 69.2625 [avgPointsDifferential] => -19.14125 [rank] => 4 ) [lucas] => Array ( [avgTotalPoints] => 66.825 [avgPointsDifferential] => -9.10625 [rank] => 5 ) ) [nhl] => Array ( [bubba] => Array ( [avgTotalPoints] => 119.6 [avgPointsDifferential] => 28.133333333333 [rank] => 1 ) [rick] => Array ( [avgTotalPoints] => 91.614285714286 [avgPointsDifferential] => 11.217142857143 [rank] => 2 ) [james] => Array ( [avgTotalPoints] => 90.185714285714 [avgPointsDifferential] => 10.915714285714 [rank] => 3 ) [samantha] => Array ( [avgTotalPoints] => 82.2 [avgPointsDifferential] => 15.005714285714 [rank] => 4 ) [peter] => Array ( [avgTotalPoints] => 77.657142857143 [avgPointsDifferential] => -13.318571428571 [rank] => 5 ) ) )
Output for 7.2.0 - 7.2.33: Warning: Use of undefined constant JSON_THROW_ON_ERROR - assumed 'JSON_THROW_ON_ERROR' (this will throw an Error in a future version of PHP) in /in/YXP3o on line 78 Warning: json_decode() expects parameter 4 to be integer, string given in /in/YXP3o on line 78 Fatal error: Uncaught TypeError: Argument 1 passed to sortHighestToLowest() must be of the type array, null given, called in /in/YXP3o on line 79 and defined in /in/YXP3o:62 Stack trace: #0 /in/YXP3o(79): sortHighestToLowest(NULL) #1 {main} thrown in /in/YXP3o on line 62
Process exited with code 255.

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