<?php
/* assuming top level pid = 0 */$rows = array ( array ( 'id' => 1, 'pid' => 0 ), array ( 'id' => 2, 'pid' => 1 ), array ( 'id' => 3, 'pid' => 2 ), array ( 'id' => 4, 'pid' => 0 ), array ( 'id' => 5, 'pid' => 4 ), /* ... */);$rows = array_column ( $rows, null, 'id' );foreach ( $rows as $key => $val ) { if ( $val ['pid'] ) { if ( isset ( $rows [$val ['pid']] )) { $rows [$val ['pid']]['children'][] = &$rows [$key]; } }}foreach ( $rows as $key => $val ) { if ( $val ['pid'] ) unset ( $rows [$key] );}var_dump ( $rows );
- Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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(2) {
[1]=>
array(3) {
["id"]=>
int(1)
["pid"]=>
int(0)
["children"]=>
array(1) {
[0]=>
array(3) {
["id"]=>
int(2)
["pid"]=>
int(1)
["children"]=>
array(1) {
[0]=>
array(2) {
["id"]=>
int(3)
["pid"]=>
int(2)
}
}
}
}
}
[4]=>
array(3) {
["id"]=>
int(4)
["pid"]=>
int(0)
["children"]=>
array(1) {
[0]=>
array(2) {
["id"]=>
int(5)
["pid"]=>
int(4)
}
}
}
}
- 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(2) {
[1]=>
array(3) {
["id"]=>
int(1)
["pid"]=>
int(0)
["children"]=>
array(1) {
[0]=>
array(3) {
["id"]=>
int(2)
["pid"]=>
int(1)
["children"]=>
array(1) {
[0]=>
array(2) {
["id"]=>
int(3)
["pid"]=>
int(2)
}
}
}
}
}
[4]=>
array(3) {
["id"]=>
int(4)
["pid"]=>
int(0)
["children"]=>
array(1) {
[0]=>
array(2) {
["id"]=>
int(5)
["pid"]=>
int(4)
}
}
}
}
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
- Fatal error: Call to undefined function array_column() in /in/vm6PF on line 2
Process exited with code 255. - Output for 4.4.5 - 4.4.9
- Fatal error: Call to undefined function: array_column() in /in/vm6PF on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
- Fatal error: Call to undefined function: array_column() in /in/vm6PF on line 2
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Call to undefined function: array_column() in /in/vm6PF on line 2
preferences:
204.13 ms | 401 KiB | 311 Q