(PECL uopz 1, PECL uopz 2, PECL uopz 5)
uopz_redefine — Redefine a constant
Redefines the given constant
as value
class
The name of the class containing the constant
constant
The name of the constant
value
The new value for the constant, must be a valid type for a constant variable
Example #1 uopz_redefine() example
<?php
define("MY", 100);
uopz_redefine("MY", 1000);
echo MY;
?>
以上例程的输出类似于:
1000