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

Description

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

Makes class extend parent

Parameters

class

The name of the class to extend

parent

The name of the class to inherit

Return Values

Returns true on success or false on failure.

Errors/Exceptions

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.

Examples

Example #1 uopz_extend() example

<?php
class A {}
class B {}

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

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

The above example will output:

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