<?php
class ack{
public function getBar(){ return null; }
}
$foo = new ack();
var_dump($foo ?? "empty");
var_dump($foo->getBar()->getBaz() ?? "empty");
object(ack)#1 (0) {
}
Fatal error: Uncaught Error: Call to a member function getBaz() on null in /in/HnNZC:9
Stack trace:
#0 {main}
thrown in /in/HnNZC on line 9
Process exited with code 255.
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
object(ack)#1 (0) {
}
Fatal error: Uncaught Error: Call to a member function getBaz() on null in /in/HnNZC:9
Stack trace:
#0 {main}
thrown in /in/HnNZC on line 9
Process exited with code 255.