[doc-en] master: Example for clearstatcache no longer works. (#6041)

Author: Tobias Olry (tolry) Committer: GitHub (web-flow) Pusher: lacatoire Date: 2026-11-06T13:45:05+01:00 Commit: https://github.com/php/doc-en/commit/124e1f57f5dc2cd667536dc8eb027816effcfead Raw diff: https://github.com/php/doc-en/commit/124e1f57f5dc2cd667536dc8eb027816effcfead.diff Example for clearstatcache no longer works. (#6041) chown has been fixed since https://github.com/php/php-src/commit/930624899b Modifying the file in another process is the most obvious way to get stale data from the cache. Changed paths: M reference/filesystem/functions/clearstatcache.xml Diff: diff --git a/reference/filesystem/functions/clearstatcache.xml b/reference/filesystem/functions/clearstatcache.xml index de085d247c65..1517d21ad9f8 100644 --- a/reference/filesystem/functions/clearstatcache.xml +++ b/reference/filesystem/functions/clearstatcache.xml @@ -108,33 +108,36 @@ <programlisting role="php"> <![CDATA[ <?php -$file = 'output_log.txt'; -function get_owner($file) -{ - $stat = stat($file); - $user = posix_getpwuid($stat['uid']); - return $user['name']; -} +$file = tempnam(sys_get_temp_dir(), 'stat-demo-'); +file_put_contents($file, 'Hello'); -$format = "UID @ %s: %s\n"; +echo "Run this command in another shell:\n"; +echo "\techo \" World!\" >> $file\n"; -printf($format, date('r'), get_owner($file)); +$before = filesize($file); // caches the metadata -chown($file, 'ross'); -printf($format, date('r'), get_owner($file)); +sleep(20); // Run the echo-command in another shell + +$cached = filesize($file); // stale data is returned clearstatcache(); -printf($format, date('r'), get_owner($file)); -?> + +$fresh = filesize($file); // returns the correct data + +printf("Before: %d\nCached: %d\nFresh: %d\n", $before, $cached, $fresh); + +unlink($file); ]]> </programlisting> &example.outputs.similar; <screen> <![CDATA[ -UID @ Sun, 12 Oct 2008 20:48:28 +0100: root -UID @ Sun, 12 Oct 2008 20:48:28 +0100: root -UID @ Sun, 12 Oct 2008 20:48:28 +0100: ross +Run this command in another shell: + echo " World!" >> /tmp/stat-demo-6fjvs4vir9ll2haCl4W +Before: 5 +Cached: 5 +Fresh: 13 ]]> </screen> </example>