migration51.extensions.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>Extensions</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.oop.html">Class and object changes</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration51.datetime.html">Date/time support</a></div> <div class="up"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="migration51.extensions" class="section"> <h2 class="title">Extensions</h2> <ul class="itemizedlist"> <li class="listitem"> <p class="para"> <a href="migration51.extensions.html#migration51.extensions-gone" class="link">Extensions that are gone from the PHP core</a> </p> </li> <li class="listitem"> <p class="para"> <a href="migration51.extensions.html#migration51.extensions-constants" class="link">Class constants in new PHP 5.1.x extensions</a> </p> </li> </ul> <div id="migration51.extensions-gone" class="section"> <h2 class="title">Extensions that are gone from the PHP core</h2> <p class="para"> One of the first things you're likely to notice when you download PHP 5.1.x is that several of the older extensions have disappeared. Those extensions that are still actively maintained are available in the PHP Extension Community Library (PECL), at <a href="http://pecl.php.net/" class="link external">» http://pecl.php.net/</a>. Windows binaries are built regularly, and you can obtain the binaries for PECL extensions built against PHP 5.1.x from <a href="http://pecl4win.php.net/" class="link external">» http://pecl4win.php.net/</a>. </p> <table border="5"> <caption><b>Removed extensions</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Extension</th> <th colspan="1">Alternative/Status</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ext/cpdf</td> <td colspan="1" rowspan="1" align="left"><a href="ref.pdf.html" class="link">pecl/pdflib</a></td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.dbx.html" class="link">ext/dbx</a></td> <td colspan="1" rowspan="1" align="left">pecl/dbx</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.dio.html" class="link">ext/dio</a></td> <td colspan="1" rowspan="1" align="left">pecl/dio</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.fam.html" class="link">ext/fam</a></td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.ingres.html" class="link">ext/ingres_ii</a></td> <td colspan="1" rowspan="1" align="left">pecl/ingres</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ext/ircg</td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.mcve.html" class="link">ext/mcve</a></td> <td colspan="1" rowspan="1" align="left">pecl/mcve</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.mnogosearch.html" class="link">ext/mnogosearch</a></td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ext/oracle</td> <td colspan="1" rowspan="1" align="left"> <a href="ref.oci8.html" class="link">ext/oci8</a> or <a href="ref.pdo-oci.html" class="link">ext/pdo_oci</a> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.ovrimos.html" class="link">ext/ovrimos</a></td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ext/pfpro</td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.w32api.html" class="link">ext/w32api</a></td> <td colspan="1" rowspan="1" align="left"><a href="http://pecl.php.net/package/ffi" class="link external">» pecl/ffi</a></td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"><a href="ref.nis.html" class="link">ext/yp</a></td> <td colspan="1" rowspan="1" align="left">Not actively maintained</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">ext/activescript</td> <td colspan="1" rowspan="1" align="left"> <a href="url.pecl.win.ext;php5activescript.dll" class="link external">» pecl/activescript</a> </td> </tr> </tbody> </colgroup> </table> <p class="para"> Modules in PECL that are not actively maintained (i.e. have not been supported for some time, have no active maintainer working on them currently, and do not have any PECL package releases), are still available in CVS at <a href="http://cvs.php.net/pecl" class="link external">» http://cvs.php.net/pecl</a>. However, unreleased PHP modules are by their nature unsupported, and your mileage may vary when attempting to install or use them. </p> </div> <div id="migration51.extensions-constants" class="section"> <h2 class="title">Class constants in new PHP 5.1.x extensions</h2> <p class="para"> The Zend Engine 2.1 API allows extension developers to declare class constants in object oriented extensions. New extensions written for PHP 5.1.x, including <a href="ref.spl.html" class="link">SPL</a>, <a href="intro.pdo.html" class="link">PDO</a>, <a href="book.xmlreader.html" class="link">XMLReader</a> and <a href="ref.datetime.html" class="link">date</a>, have their constants in the format <b><tt>PDO::CLASS_CONSTANT</tt></b> rather than in the C format <b><tt>PDO_CLASS_CONSTANT</tt></b> in order to minimise pollution of the global namespace in PHP. </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration51.oop.html">Class and object changes</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration51.datetime.html">Date/time support</a></div> <div class="up"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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