CascadiaPHP 2024

PHP 5.4.5 Release Announcement

The PHP development team would like to announce the immediate availability of PHP 5.4.5. Over 30 bugs were fixed, including a security related overflow issue in the stream implementation. All users of PHP are encouraged to upgrade to this release.

For source downloads of PHP 5.4.5 please visit our downloads page, Windows binaries can be found on The list of changes is recorded in the ChangeLog.

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