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run code in 200+ php & hhvm versions
<?php class Bar{ function __get($a){ throw new Error("no prop error\n"); } } $bar = new Bar; var_dump(isset($bar->foo) ? $bar->foo : "qux"); var_dump($bar->foo ?? "qux");
based on 4EPXm
Output for 7.1.25 - 7.3.1
string(3) "qux" Fatal error: Uncaught Error: no prop error in /in/UI13h:5 Stack trace: #0 /in/UI13h(11): Bar->__get('foo') #1 {main} thrown in /in/UI13h on line 5
Process exited with code 255.