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run code in 150+ php & hhvm versions
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<?php define('CONSTANT', 1); define('_CONSTANT', 0); define('EMPTY',''); if ( !empty(constant('EMPTY')) ) { if (!((boolean) _CONSTANT)) { print "One"; } } else if (constant('CONSTANT') == 1) { print "Two"; }
based on FcNsI
Output for 5.5.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Two
Output for 5.0.0 - 5.4.45
Fatal error: Can't use function return value in write context in /in/ZoGBZ on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/ZoGBZ on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/ZoGBZ on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/ZoGBZ on line 7
Process exited with code 255.