CakeFest 2024: The Official CakePHP Conference

uopz_extend

(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7 < 7.1.0)

uopz_extendExtend 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.

示例

示例 #1 uopz_extend() example

<?php
class A {}
class
B {}

uopz_extend(A::class, B::class);

var_dump(class_parents(A::class));
?>

以上示例会输出:

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