What does php5.4 mean?

php5.4 is the PHP5.4.0 version released by the PHP development team. This version is a major leap forward in the 5.x series, including a large number of new features and bug fixes, such as Traits, shortened array syntax, and more.

The operating environment of this article: windows7 system, php5.4 version, DELL G3 computer

What does php5.4 mean?

PHP 5.4.0 Release Announcement

The PHP development team is proud to announce the immediate availability of PHP 5.4.0. This release is a major leap forward for the 5.x series and includes a host of new features and bug fixes.

Key features of PHP 5.4.0 include:

• New language syntax including Traits, shortened array syntax and more

• Improve performance and reduce memory consumption

• Multibyte languages ​​are now supported in all PHP versions when switching between runtimes

• Built-in CLI mode web server to simplify development workflow and testing

• Cleaner code base due to removal of multiple deprecated language features

• More improvements and fixes

Changes affecting compatibility:

• Registered global variables, magic quotes and safe mode have been removed

• In rest/continue is $var syntax removed

• ini removed Option allow_call_time_pass_reference

• PHP default_charset is now "UTF-8" in the distributed php.ini file, but still defaults to ""

Extensions moved to PECL:

• ##ext/sqlite (ext/sqlite3 and ext/pdo_sqlite are not affected)

PHP 5.4 will be the last series to support Windows XP and Windows 2003. After PHP 5.4, we will no longer provide binary packages for these Windows versions.

Users upgrading from PHP 5.3 have a migration guide available here, detailing the changes between PHP 5.3 and PHP 5.4.0.

For a complete list of PHP 5.4.0 changes, see ChangeLog (https://www.php.net/ChangeLog-5.php#5.4.0).

Recommended learning: "

PHP Video Tutorial"

The above is the detailed content of What does php5.4 mean?. For more information, please follow other related articles on the PHP Chinese website!