<?php
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?>
<div id="funcref" class="set">
  <h1 class="title">函数参考</h1>
  <div class="info">
   <div class="abstract">
    <p class="para">
     <div class="tip"><strong class="tip">小技巧</strong>
      <p class="simpara">
       参见 <a href="extensions.php" class="xref">扩展库列表/归类</a>.
      </p>
     </div>
    </p>
   </div>
  </div>

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  
 <ul class="chunklist chunklist_set"><li><a href="refs.basic.php.php">影响 PHP 行为的扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.apcu.php">APCu</a> — APC 用户缓存</li><li><a href="book.componere.php">Componere</a></li><li><a href="book.errorfunc.php">错误处理</a> — 错误处理和日志记录</li><li><a href="book.ffi.php">FFI</a> — 外部函数接口</li><li><a href="book.opcache.php">OPcache</a></li><li><a href="book.outcontrol.php">输出控制</a> — 输出缓冲控制</li><li><a href="book.info.php">PHP 选项/信息</a> — PHP 选项和信息</li><li><a href="book.phpdbg.php">phpdbg</a> — Interactive PHP Debugger</li><li><a href="book.runkit7.php">runkit7</a></li><li><a href="book.uopz.php">uopz</a> — User Operations for Zend</li><li><a href="book.wincache.php">WinCache</a> — Windows Cache for PHP</li><li><a href="book.xhprof.php">Xhprof</a> — 层次式性能分析器</li><li><a href="book.yac.php">Yac</a></li></ul></li><li><a href="refs.utilspec.audio.php">音频格式操作</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.openal.php">OpenAL</a> — OpenAL Audio Bindings</li></ul></li><li><a href="refs.remote.auth.php">身份认证服务</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.radius.php">Radius</a></li></ul></li><li><a href="refs.utilspec.cmdline.php">针对命令行的扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.readline.php">Readline</a> — GNU Readline</li></ul></li><li><a href="refs.compression.php">压缩与归档扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.bzip2.php">Bzip2</a></li><li><a href="book.lzf.php">LZF</a></li><li><a href="book.phar.php">Phar</a></li><li><a href="book.rar.php">Rar</a> — Rar Archiving</li><li><a href="book.zip.php">Zip</a></li><li><a href="book.zlib.php">Zlib</a> — Zlib 压缩</li></ul></li><li><a href="refs.crypto.php">加密扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.hash.php">Hash</a> — 散列消息摘要框架</li><li><a href="book.mcrypt.php">Mcrypt</a></li><li><a href="book.mhash.php">Mhash</a></li><li><a href="book.openssl.php">OpenSSL</a></li><li><a href="book.password.php">密码散列算法</a></li><li><a href="book.rnp.php">Rnp</a></li><li><a href="book.sodium.php">Sodium</a></li><li><a href="book.xpass.php">Xpass</a></li></ul></li><li><a href="refs.database.php">数据库扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="refs.database.abstract.php">数据库抽象层</a></li><li><a href="refs.database.vendors.php">针对各数据库系统对应的扩展</a></li></ul></li><li><a href="refs.calendar.php">日期与时间相关扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.calendar.php">Calendar</a></li><li><a href="book.datetime.php">日期/时间</a> — 日期和时间</li><li><a href="book.hrtime.php">HRTime</a> — High resolution timing</li></ul></li><li><a href="refs.fileprocess.file.php">文件系统相关扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.dio.php">直接 IO</a></li><li><a href="book.dir.php">目录</a></li><li><a href="book.fileinfo.php">Fileinfo</a> — 文件信息</li><li><a href="book.filesystem.php">文件系统</a></li><li><a href="book.inotify.php">Inotify</a></li><li><a href="book.xattr.php">xattr</a></li><li><a href="book.xdiff.php">xdiff</a></li></ul></li><li><a href="refs.international.php">国际化与字符编码支持</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.enchant.php">Enchant</a> — Enchant spelling library</li><li><a href="book.gender.php">Gender</a> — Determine gender of firstnames</li><li><a href="book.gettext.php">Gettext</a></li><li><a href="book.iconv.php">iconv</a></li><li><a href="book.intl.php">intl</a> — Internationalization Functions</li><li><a href="book.mbstring.php">多字节字符串</a></li><li><a href="book.pspell.php">Pspell</a></li><li><a href="book.recode.php">Recode</a> — GNU Recode</li></ul></li><li><a href="refs.utilspec.image.php">图像生成和处理</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.exif.php">Exif</a> — 可交换图像信息</li><li><a href="book.image.php">GD</a> — 图像处理和 GD</li><li><a href="book.gmagick.php">Gmagick</a></li><li><a href="book.imagick.php">ImageMagick</a> — 图像处理(ImageMagick)</li></ul></li><li><a href="refs.remote.mail.php">邮件相关扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.imap.php">IMAP</a> — IMAP, POP3 和 NNTP</li><li><a href="book.mail.php">Mail</a></li><li><a href="book.mailparse.php">Mailparse</a></li></ul></li><li><a href="refs.math.php">数学扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.bc.php">BC Math</a> — BCMath 任意精度数学</li><li><a href="book.gmp.php">GMP</a> — GNU Multiple Precision</li><li><a href="book.math.php">Math</a> — 数学函数</li><li><a href="book.stats.php">Statistics</a></li><li><a href="book.trader.php">Trader</a> — Technical Analysis for Traders</li></ul></li><li><a href="refs.utilspec.nontext.php">非文本内容的 MIME 输出</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.fdf.php">FDF</a> — Forms Data Format</li><li><a href="book.gnupg.php">GnuPG</a> — GNU Privacy Guard</li><li><a href="book.wkhtmltox.php">wkhtmltox</a></li><li><a href="book.ps.php">PS</a> — PostScript document creation</li><li><a href="book.rpminfo.php">RpmInfo</a></li><li><a href="book.xlswriter.php">XLSWriter</a></li></ul></li><li><a href="refs.fileprocess.process.php">进程控制扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.eio.php">Eio</a></li><li><a href="book.ev.php">Ev</a></li><li><a href="book.expect.php">Expect</a></li><li><a href="book.pcntl.php">PCNTL</a> — 进程控制</li><li><a href="book.posix.php">POSIX</a></li><li><a href="book.exec.php">程序执行</a> — 系统程序执行</li><li><a href="book.parallel.php">parallel</a></li><li><a href="book.pthreads.php">pthreads</a></li><li><a href="book.sem.php">Semaphore</a> — Semaphore, Shared Memory and IPC</li><li><a href="book.shmop.php">Shared Memory</a></li><li><a href="book.sync.php">Sync</a></li></ul></li><li><a href="refs.basic.other.php">其它基本扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.geoip.php">GeoIP</a> — Geo IP 定位</li><li><a href="book.fann.php">FANN</a> — FANN (快速人工神经网络)</li><li><a href="book.igbinary.php">Igbinary</a></li><li><a href="book.json.php">JSON</a> — JavaScript 对象表示法（JSON）</li><li><a href="book.simdjson.php">Simdjson</a></li><li><a href="book.lua.php">Lua</a></li><li><a href="book.luasandbox.php">LuaSandbox</a></li><li><a href="book.misc.php">杂项</a> — 杂项函数</li><li><a href="book.random.php">Random</a> — 随机数生成器和相关随机函数</li><li><a href="book.seaslog.php">SeasLog</a></li><li><a href="book.spl.php">SPL</a> — PHP 标准库（SPL）</li><li><a href="book.stream.php">Stream</a></li><li><a href="book.swoole.php">Swoole</a></li><li><a href="book.tidy.php">Tidy</a></li><li><a href="book.tokenizer.php">Tokenizer</a></li><li><a href="book.uri.php">URI</a></li><li><a href="book.url.php">URLs</a></li><li><a href="book.v8js.php">V8js</a> — V8 Javascript Engine Integration</li><li><a href="book.yaml.php">Yaml</a> — YAML 数据序列化</li><li><a href="book.yaf.php">Yaf</a> — Yet Another Framework</li><li><a href="book.yaconf.php">Yaconf</a></li><li><a href="book.taint.php">Taint</a></li><li><a href="book.ds.php">Data Structures</a></li><li><a href="book.var_representation.php">var_representation</a></li></ul></li><li><a href="refs.remote.other.php">其它服务</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.curl.php">cURL</a> — Client URL 库</li><li><a href="book.event.php">Event</a></li><li><a href="book.ftp.php">FTP</a></li><li><a href="book.gearman.php">Gearman</a></li><li><a href="book.ldap.php">LDAP</a> — Lightweight Directory Access Protocol</li><li><a href="book.memcache.php">Memcache</a></li><li><a href="book.memcached.php">Memcached</a></li><li><a href="book.mqseries.php">mqseries</a></li><li><a href="book.network.php">网络</a></li><li><a href="book.rrd.php">RRD</a> — RRDtool</li><li><a href="book.scoutapm.php">ScoutAPM</a></li><li><a href="book.snmp.php">SNMP</a></li><li><a href="book.sockets.php">Socket</a></li><li><a href="book.ssh2.php">SSH2</a> — Secure Shell2</li><li><a href="book.stomp.php">Stomp</a> — Stomp Client</li><li><a href="book.svm.php">SVM</a> — 支持向量机</li><li><a href="book.svn.php">SVN</a> — Subversion</li><li><a href="book.tcpwrap.php">TCP</a> — TCP Wrappers</li><li><a href="book.varnish.php">Varnish</a></li><li><a href="book.yaz.php">YAZ</a></li><li><a href="book.zmq.php">0MQ 消息</a> — ZMQ</li><li><a href="book.zookeeper.php">ZooKeeper</a></li></ul></li><li><a href="refs.search.php">搜索引擎扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.solr.php">Solr</a> — Apache Solr</li></ul></li><li><a href="refs.utilspec.server.php">针对服务器的扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.apache.php">Apache</a></li><li><a href="book.fpm.php">FastCGI 进程管理器</a></li></ul></li><li><a href="refs.basic.session.php">Session 扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.session.php">Sessions</a> — Session 处理</li></ul></li><li><a href="refs.basic.text.php">文本处理</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.cmark.php">CommonMark</a></li><li><a href="book.parle.php">Parle</a> — Parsing and lexing</li><li><a href="book.pcre.php">PCRE</a> — 正则表达式(兼容 Perl)</li><li><a href="book.ssdeep.php">ssdeep</a> — ssdeep Fuzzy Hashing</li><li><a href="book.strings.php">字符串</a></li></ul></li><li><a href="refs.basic.vartype.php">变量与类型相关扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.array.php">数组</a></li><li><a href="book.classobj.php">类/对象</a> — 类/对象的信息</li><li><a href="book.ctype.php">Ctype</a> — 字符类型检测</li><li><a href="book.filter.php">过滤器</a> — 数据过滤器</li><li><a href="book.funchand.php">函数处理</a></li><li><a href="book.quickhash.php">Quickhash</a></li><li><a href="book.reflection.php">反射</a></li><li><a href="book.var.php">变量处理</a></li></ul></li><li><a href="refs.webservice.php">Web 服务</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.oauth.php">OAuth</a></li><li><a href="book.soap.php">SOAP</a></li><li><a href="book.yar.php">Yar</a> — Yet Another RPC Framework</li><li><a href="book.xmlrpc.php">XML-RPC</a></li></ul></li><li><a href="refs.utilspec.windows.php">Windows 专用扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.com.php">COM</a> — COM 和 .Net（Windows）</li><li><a href="book.win32service.php">win32service</a></li></ul></li><li><a href="refs.xml.php">XML 操作</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.dom.php">DOM</a> — Document Object Model</li><li><a href="book.libxml.php">libxml</a></li><li><a href="book.simplexml.php">SimpleXML</a></li><li><a href="book.wddx.php">WDDX</a></li><li><a href="book.xmldiff.php">XMLDiff</a> — XML diff and merge</li><li><a href="book.xml.php">XML 解析器</a></li><li><a href="book.xmlreader.php">XMLReader</a></li><li><a href="book.xmlwriter.php">XMLWriter</a></li><li><a href="book.xsl.php">XSL</a></li></ul></li><li><a href="refs.ui.php">图形用户界面(GUI) 扩展</a><ul class="chunklist chunklist_set chunklist_children"><li><a href="book.ui.php">UI</a></li></ul></li></ul></div><?php manual_footer($setup); ?>