PHP Conference Nagoya 2025

PHP 5.1.2. Release Announcement

The PHP development team is proud to announce the release of PHP 5.1.2. This release combines small feature enhancements with a fair number of bug fixes and addresses three security issues. All PHP 5 users are encouraged to upgrade to this release.

The security issues resolved include the following:

The feature enhancements include the following notables:

The release also includes over 85 bug fixes with a focus on:

For a full list of changes in PHP 5.1.2, see the ChangeLog.

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