PHP 8.0.9 Release: Bug Fixes and Updates

PHP 8.0.9 has been released as a bug‑fix version, and the PHP community encourages all PHP 8.0 users to upgrade to this release.

The update includes the following fixes:

Core Fixed bug #81145 where copy() and stream_copy_to_stream() failed for files larger than 4 GB. Fixed bug #81163 concerning incorrect handling of indirect variables in __sleep. Fixed bug #81159 that produced object‑to‑int warnings when using objects as string offsets. Fixed bug #80728 where the built‑in web server reset timeouts when it could terminate a process. Fixed bug #73630 where the built‑in Weberver overwrote $_SERVER['request_uri']. Fixed bug #80173 where the return value of zend_assign_to_variable() was unsafe. Fixed bug #73226 where "-- r [fcez]" always returned a zero exit code.

Intl Fixed bug #72809 where Locale::lookup() gave incorrect results when the canonicalize option was used. Fixed bug #68471 where IntlDateFormatter failed for the "GMT+00:00" timezone. Fixed bug #74264 where grapheme_strrpos() was corrupted by negative offsets.

OpenSSL Fixed bug #52093 where openssl_csr_sign truncated the $serial value.

PCRE Fixed bug #81101 where PCRE2 10.37 displayed unexpected results. Fixed bug #81243 where preg_replace() allocated excessive memory.

Reflection Fixed bug #81208 where creating a new instance from a property caused a segmentation fault.

Standard Fixed bug #81223 where flock() only locked the first byte of a file.

For the complete list of changes, see the official changelog at https://www.php.net/ChangeLog-8.php#8.0.9 .