<?php
$a = [1,2,3,4];
$b = [
1=>[
2=>[
3=>[
4=>[]
]
]
]
];
$tmp = [];
foreach ($a as $val) {
if ($tmp) {
if (isset($tmp[$val])) {
$tmp = &$tmp[$val];
} else {
break;
}
} else {
$tmp = &$b[$val];
}
}
$tmp = ['aaaa'];
var_dump($tmp);
var_dump($b);
- Output for 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(1) {
[0]=>
string(4) "aaaa"
}
array(1) {
[1]=>
array(1) {
[2]=>
array(1) {
[3]=>
array(1) {
[4]=>
&array(1) {
[0]=>
string(4) "aaaa"
}
}
}
}
}
- 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(1) {
[0]=>
string(4) "aaaa"
}
array(1) {
[1]=>
array(1) {
[2]=>
array(1) {
[3]=>
array(1) {
[4]=>
&array(1) {
[0]=>
string(4) "aaaa"
}
}
}
}
}
preferences:
151.07 ms | 402 KiB | 156 Q