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run code in 150+ php & hhvm versions
Bugs & Features
<?php define('ANIMAL','turtles'); $constant='constant'; echo "I like {$constant('ANIMAL')}";
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
I like turtles
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '(', expecting '}' in /in/PoEKB on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '(', expecting '}' in /in/PoEKB on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'}'' in /in/PoEKB on line 5
Process exited with code 255.