<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >shell_exec</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="PHP 手册" HREF="index.html"><LINK REL="UP" TITLE="Program Execution Functions" HREF="ref.exec.html"><LINK REL="PREVIOUS" TITLE="proc_terminate" HREF="function.proc-terminate.html"><LINK REL="NEXT" TITLE="system" HREF="function.system.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP 手册</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.proc-terminate.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.system.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.shell-exec" ></A >shell_exec</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN189411" ></A ><P > (PHP 4, PHP 5)</P >shell_exec -- Execute command via shell and return the complete output as a string</DIV ><DIV CLASS="refsect1" ><A NAME="AEN189414" ></A ><H2 >说明</H2 >string <B CLASS="methodname" >shell_exec</B > ( string cmd )<BR ></BR ><P > This function is identical to the <A HREF="language.operators.execution.html" >backtick operator</A >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN189424" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >cmd</CODE ></DT ><DD ><P > The command that will be executed. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN189433" ></A ><H2 >返回值</H2 ><P > The output from the executed command. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN189436" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN189439" ></A ><P ><B >例 1. A <B CLASS="function" >shell_exec()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$output </font><font color="#007700">= </font><font color="#0000BB">shell_exec</font><font color="#007700">(</font><font color="#DD0000">'ls -lart'</font><font color="#007700">);<br />echo </font><font color="#DD0000">"<pre>$output</pre>"</font><font color="#007700">;<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN189443" ></A ><H2 >注释</H2 ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > 本函数在<A HREF="features.safe-mode.html" >安全模式</A >下被禁用。 </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN189448" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.exec.html" ><B CLASS="function" >exec()</B ></A ></TD ></TR ><TR ><TD ><A HREF="function.escapeshellcmd.html" ><B CLASS="function" >escapeshellcmd()</B ></A ></TD ></TR ></TBODY ></TABLE ><P ></P > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.proc-terminate.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >起始页</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.system.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >proc_terminate</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.exec.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >system</TD ></TR ></TABLE ></DIV ></BODY ></HTML >