runkit_constant_add Similar to define(), but allows defining in class definitions as well &reftitle.description; boolrunkit_constant_add stringconstname mixedvalue &reftitle.parameters; constname Name of constant to declare. Either a string to indicate a global constant, or classname::constname to indicate a class constant. value NULL, Bool, Long, Double, String, or Resource value to store in the new constant. &reftitle.returnvalues; &return.success; &reftitle.seealso; define runkit_constant_redefine runkit_constant_remove