<?php
$arr = ["a", "b", "c", "d", "e", "f"];
foreach($arr as $k => $v)
$arr[$k] = ["current" => $v, "next" => ""];
foreach($arr as $k => $v) {
if(isset($arr[$k+1]))
$arr[$k]["next"] = &$arr[$k+1]["current"];
else
$arr[$k]["next"] = "";
}
print_r($arr);
$arr[1]["current"] = "c";
print_r($arr);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 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
(
[0] => Array
(
[current] => a
[next] => b
)
[1] => Array
(
[current] => b
[next] => c
)
[2] => Array
(
[current] => c
[next] => d
)
[3] => Array
(
[current] => d
[next] => e
)
[4] => Array
(
[current] => e
[next] => f
)
[5] => Array
(
[current] => f
[next] =>
)
)
Array
(
[0] => Array
(
[current] => a
[next] => c
)
[1] => Array
(
[current] => c
[next] => c
)
[2] => Array
(
[current] => c
[next] => d
)
[3] => Array
(
[current] => d
[next] => e
)
[4] => Array
(
[current] => e
[next] => f
)
[5] => Array
(
[current] => f
[next] =>
)
)
- 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
(
[0] => Array
(
[current] => a
[next] => b
)
[1] => Array
(
[current] => b
[next] => c
)
[2] => Array
(
[current] => c
[next] => d
)
[3] => Array
(
[current] => d
[next] => e
)
[4] => Array
(
[current] => e
[next] => f
)
[5] => Array
(
[current] => f
[next] =>
)
)
Array
(
[0] => Array
(
[current] => a
[next] => c
)
[1] => Array
(
[current] => c
[next] => c
)
[2] => Array
(
[current] => c
[next] => d
)
[3] => Array
(
[current] => d
[next] => e
)
[4] => Array
(
[current] => e
[next] => f
)
[5] => Array
(
[current] => f
[next] =>
)
)
preferences:
244.22 ms | 404 KiB | 227 Q