(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7)
uopz_redefine — Redefine a constant
Redefines the given constant as value
classThe name of the class containing the constant
constantThe name of the constant
valueThe new value for the constant, must be a valid type for a constant variable
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。
示例 #1 uopz_redefine() example
<?php
define("MY", 100);
uopz_redefine("MY", 1000);
echo MY;
?>
以上例程會(huì )輸出：
1000