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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Test { const ALPHA = 1, BETA = 2, GAMMA = 3; public $a = "apple", $b = "bread", $c = "candy"; function showConstants(){ return "{self::ALPHA}{self::BETA}{self::GAMMA}"; } } echo (new Test)->showConstants(); // 123
based on TuXsZ
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
{self::ALPHA}{self::BETA}{self::GAMMA}
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/bPHnX on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/bPHnX on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/bPHnX on line 3
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/bPHnX on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/bPHnX on line 3
Process exited with code 255.