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<?php echo isset($a)?$a:'Test A ok<br>'; echo $b??$b:'Test B ok<br>';
Output for 7.0.0
Parse error: syntax error, unexpected ':', expecting ',' or ';' in /in/jX1cC on line 4
Process exited with code 255.
Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
Parse error: syntax error, unexpected '?' in /in/jX1cC on line 4
Process exited with code 255.

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