runkit_constant_redefine

(PECL runkit >= 0.7.0)

runkit_constant_redefine — Redefine an already defined constant

说锟斤拷

runkit_constant_redefine ( string $constname , mixed $newvalue ) : bool

锟斤拷锟斤拷

constname: Constant to redefine. Either string indicating global constant, or classname::constname indicating class constant.
newvalue: New value to assign to constant.

锟斤拷锟斤拷值

锟缴癸拷时锟斤拷锟斤拷 TRUE锟斤拷锟斤拷锟斤拷锟斤拷失锟斤拷时锟斤拷锟斤拷 FALSE锟斤拷

锟轿硷拷

runkit_constant_add() - Similar to define(), but allows defining in class definitions as well
runkit_constant_remove() - Remove/Delete an already defined constant