Online PHP editor | output for 1MQ8Z

@ 2020-10-15T00:31:04Z

<?php

$array = [
    [
        "id" => "1",
        "macros" => [
            "calorie" => 487.98,
            "fat" => 48.79,
            "carb" => 7.35,
            "protein" => 8.06
        ],
    ],
    [
        "id" => "3",
        "macros" => [
            "calorie" => 472.07,
            "fat" => 38.4,
            "carb" => 9.46,
            "protein" => 18.25
        ],
    ],
    [
        "id" => "9",
        "macros" => [
            "calorie" => 445.37,
            "fat" => 41.15,
            "carb" => 9.25,
            "protein" => 10.13
        ],
    ],
    [
        "id" => "18",
        "macros" => [
            "calorie" => 457.73,
            "fat" => 41.92,
            "carb" => 5.61,
            "protein" => 10.94
        ],
    ],
    [
        "id" => "19",
        "macros" => [
            "calorie" => 455.22,
            "fat" => 42.08,
            "carb" => 5.25,
            "protein" => 15.81
        ]
    ],
	[
		"id" => "200",
		"macros" => [
			"calorie" => 443.21,
			"fat" => 35.95,
			"carb" => 3.86,
			"protein" => 24.3
		],
	]
];

$optimal = [
    "calorie" => 447.53,
    "fat" => 33.22,
    "carb" => 3.75,
    "protein" => 25.93
];

$minMax = [
    "calorie" => [
        "minimum" => 406.84,
        "maximum" => 488.21
    ],
    "fat" => [
        "minimum" => 28.7,
        "maximum" => 37.74
    ],
    "carb" => [
        "minimum" => 0,
        "maximum" => 7.5
    ],
    "protein" => [
        "minimum" => 22.22,
        "maximum" => 29.63
    ]
];

function sorter(array $array, $optimal, $minMax){
	usort($array, function ($a, $b) use ($optimal, $minMax) {
	    // check closeness of protein to optimal
	    $apo = abs($a['macros']['protein'] - $optimal['protein']);
	    $bpo = abs($b['macros']['protein'] - $optimal['protein']);
	    // if not equally close, return the closest
	    if ($apo != $bpo) return $apo <=> $bpo;
	    // same protein difference to optimal, return the one with least carbs
	    return $a['macros']['carb'] <=> $b['macros']['carb'];
	});
	return $array;
}

print_r(sorter($array, $optimal, $minMax));

Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Array ( [0] => Array ( [id] => 200 [macros] => Array ( [calorie] => 443.21 [fat] => 35.95 [carb] => 3.86 [protein] => 24.3 ) ) [1] => Array ( [id] => 3 [macros] => Array ( [calorie] => 472.07 [fat] => 38.4 [carb] => 9.46 [protein] => 18.25 ) ) [2] => Array ( [id] => 19 [macros] => Array ( [calorie] => 455.22 [fat] => 42.08 [carb] => 5.25 [protein] => 15.81 ) ) [3] => Array ( [id] => 18 [macros] => Array ( [calorie] => 457.73 [fat] => 41.92 [carb] => 5.61 [protein] => 10.94 ) ) [4] => Array ( [id] => 9 [macros] => Array ( [calorie] => 445.37 [fat] => 41.15 [carb] => 9.25 [protein] => 10.13 ) ) [5] => Array ( [id] => 1 [macros] => Array ( [calorie] => 487.98 [fat] => 48.79 [carb] => 7.35 [protein] => 8.06 ) ) )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => Array ( [id] => 200 [macros] => Array ( [calorie] => 443.21 [fat] => 35.95 [carb] => 3.86 [protein] => 24.3 ) ) [1] => Array ( [id] => 3 [macros] => Array ( [calorie] => 472.07 [fat] => 38.4 [carb] => 9.46 [protein] => 18.25 ) ) [2] => Array ( [id] => 19 [macros] => Array ( [calorie] => 455.22 [fat] => 42.08 [carb] => 5.25 [protein] => 15.81 ) ) [3] => Array ( [id] => 18 [macros] => Array ( [calorie] => 457.73 [fat] => 41.92 [carb] => 5.61 [protein] => 10.94 ) ) [4] => Array ( [id] => 9 [macros] => Array ( [calorie] => 445.37 [fat] => 41.15 [carb] => 9.25 [protein] => 10.13 ) ) [5] => Array ( [id] => 1 [macros] => Array ( [calorie] => 487.98 [fat] => 48.79 [carb] => 7.35 [protein] => 8.06 ) ) )

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