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@ 2023-06-15T19:15:20Z

<?php

$data = [
    [
        'question_category' => 'Engagement',
        'result' => '6.6667',
        'employee_first_name' => 'Person A',
    ],
    [
        'question_category' => 'Tenure',
        'result' => '7.6667',
        'employee_first_name' => 'Person A',
    ],
    [
        'question_category' => 'Engagement',
        'result' => '7.6667',
        'employee_first_name' => 'Person B',
    ],
    [
        'question_category' => 'Tenure',
        'result' => '8.3333',
        'employee_first_name' => 'Person B',
    ],
];

$grouped = [];
foreach($data as $row){
    // I think this is the mapping? If anything else exists,
    // this will throw
    $xOrY = match($row['question_category']){
        'Engagement' => 'x',
        'Tenure' => 'y',
    };
    
    // Group by name
    $grouped[$row['employee_first_name']][$xOrY] = $row['result'];
}

// Remove the names (optional)
$grouped = array_values($grouped);

var_dump($grouped);

Output for git.master, git.master_jit, rfc.property-hooks: array(2) { [0]=> array(2) { ["x"]=> string(6) "6.6667" ["y"]=> string(6) "7.6667" } [1]=> array(2) { ["x"]=> string(6) "7.6667" ["y"]=> string(6) "8.3333" } }

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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