<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/appendices.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'zh',
  ),
  'this' => 
  array (
    0 => 'migration73.php',
    1 => '从 PHP 7.2.x 移植到 PHP 7.3.x',
    2 => '从 PHP 7.2.x 移植到 PHP 7.3.x',
  ),
  'up' => 
  array (
    0 => 'appendices.php',
    1 => '附录',
  ),
  'prev' => 
  array (
    0 => 'migration74.windows-support.php',
    1 => 'Windows 支持',
  ),
  'next' => 
  array (
    0 => 'migration73.new-features.php',
    1 => '新特性',
  ),
  'alternatives' => 
  array (
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    'lang' => 'zh',
    'path' => 'appendices/migration73.xml',
  ),
  'history' => 
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  'extra_header_links' => 
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    'rel' => 'alternate',
    'href' => '/manual/en/feeds/migration73.atom',
    'type' => 'application/atom+xml',
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="migration73" class="appendix">
 <h1 class="title">从 PHP 7.2.x 移植到 PHP 7.3.x</h1>
<h2>目录</h2><ul class="chunklist chunklist_appendix"><li><a href="migration73.new-features.php">新特性</a></li><li><a href="migration73.new-functions.php">新函数</a></li><li><a href="migration73.constants.php">新的全局常量</a></li><li><a href="migration73.incompatible.php">不向下兼容的变更</a></li><li><a href="migration73.deprecated.php">PHP 7.3.x 中废弃的功能</a></li><li><a href="migration73.other-changes.php">其它变更</a></li><li><a href="migration73.windows-support.php">Windows 支持</a></li></ul>


 <p class="para">
  这个新的小版本带来了大量的<a href="migration73.new-features.php" class="link">新特性</a>和<a href="migration73.incompatible.php" class="link">少量的兼容性调整</a>在生产环境切换 PHP 版本前应该进行相关测试。
 </p>

 <p class="para">
  参见 PHP 版本迁移指南
  <a href="migration70.php" class="link">7.0.x</a>、<a href="migration71.php" class="link">7.1.x</a>、<a href="migration72.php" class="link">7.2.x</a>。
 </p>

 







 







 







 







 







 







 








</div>
<?php manual_footer($setup); ?>