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

說(shuō)明

uopz_extend(string $class, string $parent): bool

Makes class extend parent

參數(shù)

class

The name of the class to extend

parent

The name of the class to inherit

返回值

成功時(shí)返回 true， 或者在失敗時(shí)返回 false。

錯(cuò)誤／異常

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));
?>

以上例程會(huì)輸出：

array(1) {
  ["B"]=>
  string(1) "B"
}