<?php
$a = [[1, 2], [1, 2]];
$a[5] = [1, 3];
array_unshift($a, [3, 4]);
print_r($a);
- Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
(
[0] => Array
(
[0] => 3
[1] => 4
)
[1] => Array
(
[0] => 1
[1] => 2
)
[2] => Array
(
[0] => 1
[1] => 2
)
[3] => Array
(
[0] => 1
[1] => 3
)
)
- 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
(
[0] => 3
[1] => 4
)
[1] => Array
(
[0] => 1
[1] => 2
)
[2] => Array
(
[0] => 1
[1] => 2
)
[3] => Array
(
[0] => 1
[1] => 3
)
)
preferences:
207.8 ms | 402 KiB | 291 Q