Online PHP editor | rfc for 1lZHa

@ 2022-10-13T06:50:06Z

<?php

$array = [
    ['amount' => 13.31000000, 'i' => 1, 'created_at' => '2022-10-10 23:21:47',],
    ['amount' => 19.00000000, 'i' => 2, 'created_at' => '2022-10-10 23:21:38',],
    ['amount' => 17.32000000, 'i' => 2, 'created_at' => '2022-10-09 23:21:47',],
    ['amount' => 19.15000000, 'i' => 2, 'created_at' => '2022-10-08 23:21:47',],
    ['amount' => 14.68000000, 'i' => 2, 'created_at' => '2022-10-07 23:21:47',],
    ['amount' => 18.31000000, 'i' => 2, 'created_at' => '2022-10-06 23:21:47',],
    ['amount' => 19.48000000, 'i' => 2, 'created_at' => '2022-10-05 23:21:47',],
    ['amount' => 11.20000000, 'i' => 1, 'created_at' => '2022-10-04 23:21:47',],
    ['amount' => 12.91000000, 'i' => 2, 'created_at' => '2022-10-03 23:21:47',],
    ['amount' => 11.55000000, 'i' => 2, 'created_at' => '2022-10-02 23:21:47',],
    ['amount' => 13.64000000, 'i' => 1, 'created_at' => '2022-10-09 23:21:38',],
    ['amount' => 18.44000000, 'i' => 1, 'created_at' => '2022-10-08 23:21:38',],
    ['amount' => 11.56000000, 'i' => 2, 'created_at' => '2022-10-07 23:21:38',],
    ['amount' => 12.13000000, 'i' => 1, 'created_at' => '2022-10-06 23:21:38',],
    ['amount' => 13.39000000, 'i' => 1, 'created_at' => '2022-10-05 23:21:38',],
    ['amount' => 11.36000000, 'i' => 2, 'created_at' => '2022-10-04 23:21:38',],
    ['amount' => 11.82000000, 'i' => 1, 'created_at' => '2022-10-03 23:21:38',],
    ['amount' => 14.03000000, 'i' => 1, 'created_at' => '2022-10-02 23:21:38',],
];

const LOOKUP = [1 => 'increase', 2 => 'decrease'];
$defaults = array_fill_keys(LOOKUP, 0);

$result = [];
foreach ($array as $row) {
    $date = substr($row['created_at'], 0, 10);
    $result[$date] ??= $defaults;
    $result[$date][LOOKUP[$row['i']]] += $row['amount'];
}

print_r($result);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [2022-10-10] => Array ( [increase] => 13.31 [decrease] => 19 ) [2022-10-09] => Array ( [increase] => 13.64 [decrease] => 17.32 ) [2022-10-08] => Array ( [increase] => 18.44 [decrease] => 19.15 ) [2022-10-07] => Array ( [increase] => 0 [decrease] => 26.24 ) [2022-10-06] => Array ( [increase] => 12.13 [decrease] => 18.31 ) [2022-10-05] => Array ( [increase] => 13.39 [decrease] => 19.48 ) [2022-10-04] => Array ( [increase] => 11.2 [decrease] => 11.36 ) [2022-10-03] => Array ( [increase] => 11.82 [decrease] => 12.91 ) [2022-10-02] => Array ( [increase] => 14.03 [decrease] => 11.55 ) )

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