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run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { const VALUE0 = 0; const VALUE1 = 1; const VALUE2 = 2; const VALUES = array( self::VALUE0 => 'a', self::VALUE1 => 'b', self::VALUE2 => 'c' ); } class Bar { const SOMEVALUE = Foo::VALUES[Foo::VALUE0]; } var_dump(Bar::SOMEVALUE);
Output for 5.6.7 - 7.2.0
string(1) "a"
Output for 5.0.0 - 5.5.35
Fatal error: Arrays are not allowed in class constants in /in/60KbR on line 13
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/60KbR 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/60KbR 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/60KbR on line 5
Process exited with code 255.