<?php
$x = 5; // global scope
function myTest() {
echo "Variable x outside function is: $x";
}
myTest();
echo "Variable x inside function is: $x";
?>
?>
Warning: Undefined variable $x in /in/9f0BT on line 5
Variable x outside function is: Variable x inside function is: 5
?>
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
Warning: Undefined variable $x in /in/9f0BT on line 5
Variable x outside function is: Variable x inside function is: 5
?>