<?php
class A {
function __get($name)
{
echo "get\n";
return new self;
}
function __isset($name)
{
echo "isset\n";
return true;
}
}
$o = new A;
var_dump(isset($o->a->b));
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
isset
get
isset
bool(true)