(PECL runkit7 >= Unknown)
runkit7_constant_redefine — Redefine an already defined constant
constant_name
Constant to redefine. Either the name of a global constant,
or classname::constname
indicating class constant.
value
Value to assign to the constant.
new_visibility
The new visibility of the constant, for class constants.
Unchanged by default.
One of the RUNKIT7_ACC_*
constants.