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<?php $a = 1; $b = 2; $c = &(1 == 1? $a : &$b); print_r($c); print_r(++$c);
Output for 7.0.0
Parse error: syntax error, unexpected '&' in /in/9he8b on line 6
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/9he8b on line 6
Process exited with code 255.
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