<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Migrating from PHP 7.0.x to PHP 7.1.x</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration72.other-changes.html">Other changes</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration71.new-features.html">New features</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 id="migration71" class="appendix"> <h1>Migrating from PHP 7.0.x to PHP 7.1.x</h1> <h2>Table of Contents</h2><ul class="chunklist chunklist_appendix"><li><a href="migration71.new-features.html">New features</a></li><li><a href="migration71.new-functions.html">New functions</a></li><li><a href="migration71.constants.html">New global constants</a></li><li><a href="migration71.incompatible.html">Backward incompatible changes</a></li><li><a href="migration71.deprecated.html">Deprecated features in PHP 7.1.x</a></li><li><a href="migration71.changed-functions.html">Changed functions</a></li><li><a href="migration71.other-changes.html">Other changes</a></li><li><a href="migration71.windows-support.html">Windows Support</a></li></ul> <div id="migration71.intro" class="sect1"> <p class="para"> This new minor version brings with it a number of <a href="migration71.new-features.html" class="link">new features</a> and a <a href="migration71.incompatible.html" class="link">few incompatibilities</a> that should be tested for before switching PHP versions in production environments. </p> <p class="para"> See also the migration guides for PHP versions <a href="migration5.html" class="link">5.0.x</a>, <a href="migration51.html" class="link">5.1.x</a>, <a href="migration52.html" class="link">5.2.x</a>, <a href="migration53.html" class="link">5.3.x</a>, <a href="migration54.html" class="link">5.4.x</a>, <a href="migration55.html" class="link">5.5.x</a>, <a href="migration56.html" class="link">5.6.x</a> and <a href="migration70.html" class="link">7.0.x</a>. </p> </div> </div> <hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration72.other-changes.html">Other changes</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration71.new-features.html">New features</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>
