migration5.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Migrating from PHP 4 to PHP 5.0.x</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration51.errorcheck.html">Checking for E_STRICT</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration5.incompatible.html">Backward Incompatible Changes</a></div> <div class="up"><a href="appendices.html">Appendices</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div>  <h1>Migrating from PHP 4 to PHP 5.0.x</h1><h2>Table of Contents</h2><ul class="chunklist chunklist_appendix"><li><a href="migration5.incompatible.html">Backward Incompatible Changes</a></li><li><a href="migration5.cli-cgi.html">CLI and CGI</a></li><li><a href="migration5.configuration.html">Migrating Configuration Files</a></li><li><a href="migration5.functions.html">New Functions</a></li><li><a href="migration5.newconf.html">New Directives</a></li><li><a href="migration5.databases.html">Databases</a></li><li><a href="migration5.oop.html">New Object Model</a></li><li><a href="migrating5.errorrep.html">Error Reporting</a></li></ul>  <p class="para">   See also the migration guides for PHP versions   <a href="migration51.html" class="link">5.1.x</a> and   <a href="migration52.html" class="link">5.2.x</a>.  </p>  <div id="migration5.changes" class="section">   <h2 class="title">What has changed in PHP 5.0.x</h2>   <p class="para">    PHP 5 and the integrated Zend Engine 2 have greatly improved PHP&#039;s    performance and capabilities, but great care has been taken to break as    little existing code as possible. So migrating your code from PHP 4 to 5    should be very easy. Most existing PHP 4 code should be ready to run    without changes, but you should still know about the <a href="migration5.incompatible.html" class="link">few differences</a> and    take care to test your code before switching versions in production    environments.   </p>  </div>                 </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration51.errorcheck.html">Checking for E_STRICT</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration5.incompatible.html">Backward Incompatible Changes</a></div> <div class="up"><a href="appendices.html">Appendices</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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本页面展示了「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」中的 migration5.html 源码文件，采用 HTML 编程语言编写，共 60 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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