1<?php 2$_SERVER['BASE_PAGE'] = 'releases/5_4_0.php'; 3include_once __DIR__ . '/../include/prepend.inc'; 4site_header("PHP 5.4.0 Release Announcement"); 5?> 6 7<h1>PHP 5.4.0 Release Announcement</h1> 8<p> 9The PHP development team is proud to announce the immediate availability 10of PHP <a href="http://php.net/downloads.php#v5.4.0">5.4.0</a>. 11This release is a major leap forward in the 5.x series, 12and includes a large number of new features and bug fixes. 13</p> 14 15<p> 16<b>The key features of PHP 5.4.0 include:</b> 17</p> 18<ul> 19 <li>New language syntax including <a href="http://php.net/traits">Traits</a>, 20 <a href="http://docs.php.net/manual/language.types.array.php">shortened array syntax</a> 21 and <a href="http://docs.php.net/manual/migration54.new-features.php">more</a></li> 22 <li>Improved performance and reduced memory consumption</li> 23 <li>Support for multibyte languages now available in all builds of PHP at the flip of a runtime switch</li> 24 <li><a href="http://php.net/manual/features.commandline.webserver.php"> 25 Built-in webserver</a> in CLI mode to simplify development workflows and testing</li> 26 <li>Cleaner code base thanks to the removal of multiple deprecated language features</li> 27 <li>Many more improvements and fixes</li> 28</ul> 29 30<p> 31<b>Changes that affect compatibility:</b> 32</p> 33<ul> 34 <li><a href="http://www.php.net/manual/security.globals.php">Register globals</a>, <a href="http://www.php.net/manual/security.magicquotes.php">magic quotes</a> and <a href="http://www.php.net/manual/features.safe-mode.php">safe mode</a> were removed</li> 35 <li>The <a href="http://php.net/manual/control-structures.break.php">break</a>/<a href="http://php.net/manual/control-structures.continue.php">continue</a> $var syntax was removed</li> 36 <li>The ini option <a href="http://www.php.net/manual/ini.core.php#ini.allow-call-time-pass-reference">allow_call_time_pass_reference</a> was removed</li> 37 <li>The PHP <a href="http://www.php.net/manual/ini.core.php#ini.default-charset">default_charset</a> is now "UTF-8" within the distributed php.ini files, but still defaults to ""</li> 38</ul> 39 40<p> 41<b>Extensions moved to <a href="http://pecl.php.net">PECL</a>:</b> 42</p> 43<ul> 44 <li><a href="http://www.php.net/manual/ref.sqlite.php">ext/sqlite</a> (<a href="http://www.php.net/manual/book.sqlite3.php">ext/sqlite3</a> and <a href="http://www.php.net/manual/ref.pdo-sqlite.php">ext/pdo_sqlite</a> are not affected)</li> 45</ul> 46 47<p> 48PHP 5.4 will be the last series to support Windows XP and Windows 492003. We will not provide binary packages for these Windows versions 50after PHP 5.4. 51</p> 52 53<p> 54For users upgrading from PHP 5.3 there is a migration guide available 55<a href="http://php.net/migration54">here</a>, detailing the changes between 56PHP 5.3 and PHP 5.4.0. 57</p> 58 59<p> 60 For a full list of changes in PHP 5.4.0, see the 61 <a href="/ChangeLog-5.php#5.4.0">ChangeLog</a>. 62</p> 63 64<?php site_footer(); ?> 65
