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run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump($b ?? $c ?? 1); // 1 var_dump($b ?? ($c ?? 1)); // 1 var_dump(($b ?? $c) ?? 1); // 1
based on XhOBP
Output for 7.0.0 - 7.2.0
int(1) int(1) Notice: Undefined variable: c in /in/oKaFh on line 5 int(1)
Output for 5.3.19 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/oKaFh on line 3
Process exited with code 255.