Online PHP editor | rfc for 2PPl6

@ 2022-04-09T10:50:08Z

<?php

$data = [
    ['model_num' => 'ABC', 'revision' => 'AA', 'testRecipeID' => 85, 'value' => 31.25, 'treatment' => 'Pressure'],
    ['model_num' => 'ABC', 'revision' => 'AA', 'testRecipeID' => 85, 'value' => 31.25, 'treatment' => 'Gas'],
    ['model_num' => 'ABC', 'revision' => 'AA', 'testRecipeID' => 85, 'value' => 33.12, 'treatment' => 'Temp'],
    ['model_num' => 'ABC', 'revision' => 'AA', 'testRecipeID' => 85, 'value' => 25.87, 'treatment' => 'Current'],
    ['model_num' => 'ABC', 'revision' => 'AB', 'testRecipeID' => 86, 'value' => 26.63, 'treatment' => 'Pressure'],
    ['model_num' => 'ABC', 'revision' => 'AB', 'testRecipeID' => 86, 'value' => 26.0,  'treatment' => 'Gas'],
    ['model_num' => 'ABC', 'revision' => 'AB', 'testRecipeID' => 86, 'value' => 23.75, 'treatment' => 'Temp']
];
$result = [];
foreach ($data as $row) {
    $compositeKey = "{$row['model_num']}-{$row['revision']}-{$row['testRecipeID']}";
    $result[$compositeKey] ??= [
        'model_num' => $row['model_num'],
        'revision' => $row['revision'],
        'testRecipeID' => $row['testRecipeID']
    ];
    $result[$compositeKey][$row['treatment']] = $row['value'];
}
var_export(array_values($result));

Output for git.master, git.master_jit, rfc.property-hooks: array ( 0 => array ( 'model_num' => 'ABC', 'revision' => 'AA', 'testRecipeID' => 85, 'Pressure' => 31.25, 'Gas' => 31.25, 'Temp' => 33.12, 'Current' => 25.87, ), 1 => array ( 'model_num' => 'ABC', 'revision' => 'AB', 'testRecipeID' => 86, 'Pressure' => 26.63, 'Gas' => 26.0, 'Temp' => 23.75, ), )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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