Online PHP editor | output for ospfm

@ 2018-12-17T19:29:31Z

<?php
$json = '[{
"id": 1,
"time": "2018-12-16",
"pages_indexed": 1024
},
{
"id": 2,
"time": "2018-12-12",
"something": 1024
},
{
"id": 3,
"time": "2018-12-09",
"something": 7
},
{
"id": 12,
"time": "2018-11-12",
"something": 7
},
{
"id": 13,
"time": "2018-11-08",
"something": 7
}]';
$items = json_decode($json, true);
$expectedArray = [];
foreach ($items as $item) {
    $indexKey = substr($item['time'], 0, 7);
    if (!isset($expectedArray[$indexKey]) || $expectedArray[$indexKey]['time'] < $item['time'])
         $expectedArray[$indexKey] = $item;
}
print_r(json_encode($expectedArray));

Output for 5.6.38, 7.0.33, 7.1.25, 7.2.0 - 7.2.33, 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: {"2018-12":{"id":1,"time":"2018-12-16","pages_indexed":1024},"2018-11":{"id":12,"time":"2018-11-12","something":7}}
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 {"2018-12":{"id":1,"time":"2018-12-16","pages_indexed":1024},"2018-11":{"id":12,"time":"2018-11-12","something":7}}

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