<?php
$arr = [
["year" => 1921, "name" => "bob"],
["year" => 1944, "name" => "steve"],
["year" => 1944, "name" => "doug"],
["year" => 1921, "name" => "jim"],
];
foreach ($arr as $item) {
$result[$item['year']]['year'] = $item['year'];
$result[$item['year']]['names'][] = ['name' => $item['name']];
}
echo json_encode(['data' => array_values($result)], JSON_PRETTY_PRINT);
- 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
- {
"data": [
{
"year": 1921,
"names": [
{
"name": "bob"
},
{
"name": "jim"
}
]
},
{
"year": 1944,
"names": [
{
"name": "steve"
},
{
"name": "doug"
}
]
}
]
}
- 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
{
"data": [
{
"year": 1921,
"names": [
{
"name": "bob"
},
{
"name": "jim"
}
]
},
{
"year": 1944,
"names": [
{
"name": "steve"
},
{
"name": "doug"
}
]
}
]
}
preferences:
177.2 ms | 403 KiB | 183 Q