(PECL runkit >= 0.7.0)
runkit_constant_add — Similar to define(), but allows defining in class definitions as well
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.
Retorna TRUE
em caso de sucesso ou FALSE
em caso de falha.