Opcache prevents file from being added to realpath cache?

Description

realpath cache is a per process cache
opcache is a shared cache

opcache is enabled with validation 2 seconds

foo.php contains:

<?php $t = time();

bar.php contains:

$path = '../foo.php';
require_once $path;
echo $t;

var_dump( realpath_cache_get() );

with php-fpm request bar.php multiple times.

when checking realpath_cache_get() we see foo.php is added to the realpath cache
as soon as opcache has cached this require once foo.php, foo.php is removed from realpath cache - for most worker processes.

Questions:

1. opcache seems to be able to clear the realpath cache for some (?) workers - how is opcache able to do that? or does this happen on every request separately? (how come that foo.php is still in realpath cache for some workers though?)

2. no matter what (is_file, realpath,...) calls with ../foo.php will never make it populate realpath cache again with this file, once it's in opcache - even when calling clearstatcache before it because the file is potentially deleted beforehand. It always seems to fetch the full path again from disk instead of storing it in realpath?

PHP Version

8.3

Operating System

No response

在启用 opcache 验证的情况下，使用 require_once、realpath_cache_get()、is_file()、realpath() 和 clearstatcache()，在 php-fpm 下通过 foo.php 和 bar.php 复现该行为。比较不同 worker 进程之间的结果，并跟踪 opcache 与 realpath-cache 之间的交互；当能够解释不同的缓存内容以及缓存未能重新填充的原因，或确定一个已确认的修复方案时，即视为完成。