3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { const A = 1 << 0; const B = self::A | self::C; const C = 1 << 1; } class Bar extends Foo { const A = 1 << 2; const C = 1 << 3; } var_dump(decbin(Bar::B));
based on 6V0JD
Output for hhvm-3.10.1 - 3.21.0, 7.1.4 - 7.1.9
string(2) "11"
Output for 7.0.0 - 7.1.3
string(4) "1001"
Output for 5.6.0 - 5.6.30
string(4) "1100"
Output for 5.4.0 - 5.5.38
Parse error: syntax error, unexpected '<<' (T_SL), expecting ',' or ';' in /in/vUHq3 on line 4
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_SL, expecting ',' or ';' in /in/vUHq3 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_SL, expecting ',' or ';' in /in/vUHq3 on line 4
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/vUHq3 on line 4
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/vUHq3 on line 4
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/vUHq3 on line 4
Process exited with code 255.