3v4l.org

run code in 200+ php & hhvm versions
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<?php $page = $_GET['page'] ?? 0; var_dump ($page);
based on JVqHB
Output for 7.0.0 - 7.2.0
int(0)
Output for 5.3.18 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/RZXt8 on line 3
Process exited with code 255.