array (
1 => 1,
'b' => 'replaced b',
'd' => 4,
2 => 'first value with implicit key',
'a' => 'new a',
3 => 'second value with implicit key',
)
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 => 1,
'b' => 'replaced b',
'd' => 4,
2 => 'first value with implicit key',
'a' => 'new a',
3 => 'second value with implicit key',
)