<?php
$arr = ["m" => 0,"b" => 1, "k" => 2,"a" => 3];
echo current($arr); // what is current position
next($arr); // move current position
echo current($arr); // mwhat is current position
$key = array_keys($arr)[0];
echo current($arr); // make sure the position has not changed
echo $key;
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
011m