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(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
class
The name of the class to extend
parent
The name of the class to inherit
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.
示例 #1 uopz_extend() example
<?php
class A {}
class B {}
uopz_extend(A::class, B::class);
var_dump(class_parents(A::class));
?>
以上示例会输出:
array(1) { ["B"]=> string(1) "B" }