PHP 8.3 Release

Recently, a new major release of PHP 8.3 took place. The version includes a range of updates and a series of new features. However, this version has also a worse compatibility with previous releases due to new features.

The new features of this new version include:

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• Deep cloning of read-only properties.
• The possibility of using constants with type indication in classes, types, and enumerations.
• ‘"#[Override]’ attribute support.
• Processing of negative values as array index has been changed.
• Creating anonymous classes in read-only mode.
• getBytesFromString, getFloat, and nextFloat methods added to the Randomizer class.
• Extracting constants using dynamic class syntax.
• Generating special exceptions options – DateMalformedIntervalStringException, DateInvalidOperationException, DateRangeError.
• Improved handling of errors occurring while parsing serialized data in the unserialize() function.
• Changes to the range() function.
• Changed behavior of types with static properties.
• Settings to protect against stack overflow.
• New POSIX functions posix_sysconf(), posix_pathconf(), posix_fpathconf() and posix_eaccess().
•  mb_str_pad function.
• Expanded capabilities of array_sum(), array_product(), posix_getrlimit(), gc_status(), class_alias(), mysqli_poll(), array_pad() and proc_get_status() functions.
• The possibility to pass negative $widths value to mb_strimwidth() is now obsolete.