The long-awaited PHP 5.3.1 stable release has been released.

• The max_file_uploads directive is added which controls the maximum number of downloadable files to avoid DDos (denial of service attack) through directory overflow for temporary TMP files.
• Added missing checks for exif;
• Fixed Safe-mode bypassing tempnam ();
• The open_basedir parameter has been fixed to bypass the posix_mkfifo () function;

List of changes in PHP 5.3.1

Download PHP 5.3.1

This is all the information available on php.net this topic (post) will be updated as soon as more complete information appears.
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Our development team has already downloaded this version and installed it on the intra-office server for testing.

Unfortunately, on this version of PHP, our CodeIgniter framework, which is regularly used in development, does not work, since the function for working with regular expressions was excluded (removed ereg, left preg_match).

UPD: The problem with CodeIgniter is removed in CodeIgniter 1.7.2 the framework developers have solved this problem and everything now works like a clock.

Download CodeIgniter 1.7.2

Thanks for the information habrauzeram: DenisO and @zzkey

In php5.3.1, problems with gettext under Windows (http://bugs.php.net/bug.php?id=49349) Thanks to habraiser: grolse