3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $v ?? 'data;
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.29, 5.6.7 - 5.6.13
Parse error: syntax error, unexpected '?' in /in/gC8aE on line 3
Process exited with code 255.

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