<?php
function make_recursive($arr, $root = 0, $pid = 'pid', $id = 'id', $child = 'child') {
$m = array();
foreach ($arr as $e) {
if (!isset($m[$e[$pid]])) $m[$e[$pid]] = array();
if (!isset($m[$e[$id]])) $m[$e[$id]] = array();
$m[$e[$pid]][] = array_merge($e, array($child => &$m[$e[$id]]));
}
return $m[$root][0];
}
$arr = array(
array('id' => 5273, 'pid' => 0, 'name' => 'John Doe'),
array('id' => 6032, 'pid' => 5273, 'name' => 'Sally Smith'),
array('id' => 6034, 'pid' => 6032, 'name' => 'Mike Jones'),
array('id' => 6035, 'pid' => 6034, 'name' => 'Jason Williams'),
array('id' => 6036, 'pid' => 5273, 'name' => 'Sara Johnson'),
array('id' => 6037, 'pid' => 5273, 'name' => 'Dave Wilson'),
array('id' => 6038, 'pid' => 6037, 'name' => 'Amy Martin'),
);
$re=make_recursive($arr);
var_export($re);
- Output for 7.0.0 - 7.0.25, 7.1.0 - 7.1.33, 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
- array (
'id' => 5273,
'pid' => 0,
'name' => 'John Doe',
'child' =>
array (
0 =>
array (
'id' => 6032,
'pid' => 5273,
'name' => 'Sally Smith',
'child' =>
array (
0 =>
array (
'id' => 6034,
'pid' => 6032,
'name' => 'Mike Jones',
'child' =>
array (
0 =>
array (
'id' => 6035,
'pid' => 6034,
'name' => 'Jason Williams',
'child' =>
array (
),
),
),
),
),
),
1 =>
array (
'id' => 6036,
'pid' => 5273,
'name' => 'Sara Johnson',
'child' =>
array (
),
),
2 =>
array (
'id' => 6037,
'pid' => 5273,
'name' => 'Dave Wilson',
'child' =>
array (
0 =>
array (
'id' => 6038,
'pid' => 6037,
'name' => 'Amy Martin',
'child' =>
array (
),
),
),
),
),
)
- 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
array (
'id' => 5273,
'pid' => 0,
'name' => 'John Doe',
'child' =>
array (
0 =>
array (
'id' => 6032,
'pid' => 5273,
'name' => 'Sally Smith',
'child' =>
array (
0 =>
array (
'id' => 6034,
'pid' => 6032,
'name' => 'Mike Jones',
'child' =>
array (
0 =>
array (
'id' => 6035,
'pid' => 6034,
'name' => 'Jason Williams',
'child' =>
array (
),
),
),
),
),
),
1 =>
array (
'id' => 6036,
'pid' => 5273,
'name' => 'Sara Johnson',
'child' =>
array (
),
),
2 =>
array (
'id' => 6037,
'pid' => 5273,
'name' => 'Dave Wilson',
'child' =>
array (
0 =>
array (
'id' => 6038,
'pid' => 6037,
'name' => 'Amy Martin',
'child' =>
array (
),
),
),
),
),
)
preferences:
226.14 ms | 404 KiB | 225 Q