- PHP 手册
- 函数参考
- 影响 PHP 行为的扩展
- uopz
- Uopz 函数
uopz_extend
(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7 < 7.1.0)
uopz_extend — Extend a class at runtime
说明
uopz_extend(string$class, string $parent): bool
Makes class extend parent
参数
-
class -
The name of the class to extend
-
parent -
The name of the class to inherit
返回值
成功时返回 true， 或者在失败时返回 false。
错误／异常
As of PHP 7.4.0, uopz_extends() throws a RuntimeException,
if OPcache is enabled,
and the class entry of either class
or parent (if it is a trait) is immutable.
范例
示例 #1 uopz_extend() example
<?php
class A {}
class B {}
uopz_extend(A::class, B::class);
var_dump(class_parents(A::class));
?>
以上例程会输出：
array(1) {
["B"]=>
string(1) "B"
}
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/function.uopz-extend.php