3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { const BAR = 'baz'; } $obj = new Foo(); var_dump( constant( array( $obj, 'BAR' ) ) );
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: constant() expects parameter 1 to be string, array given in /in/VaUXA on line 11 NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.2.17
Notice: Array to string conversion in /in/VaUXA on line 11 Warning: constant(): Couldn't find constant Array in /in/VaUXA on line 11 NULL
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/VaUXA 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 T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/VaUXA on line 5
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/VaUXA on line 5
Process exited with code 255.