<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >pcntl_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="Process Control Functions" HREF="ref.pcntl.html"><LINK REL="PREVIOUS" TITLE="pcntl_alarm" HREF="function.pcntl-alarm.html"><LINK REL="NEXT" TITLE="pcntl_fork" HREF="function.pcntl-fork.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.pcntl-alarm.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.pcntl-fork.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.pcntl-exec" ></A >pcntl_exec</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN169861" ></A ><P > (PHP 4 >= 4.2.0, PHP 5)</P >pcntl_exec -- Executes specified program in current process space</DIV ><DIV CLASS="refsect1" ><A NAME="AEN169864" ></A ><H2 >说明</H2 >void <B CLASS="methodname" >pcntl_exec</B > ( string path [, array args [, array envs]] )<BR ></BR ><P > Executes the program with the given arguments. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN169879" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >path</CODE ></DT ><DD ><P > <CODE CLASS="parameter" >path</CODE > must be the path to a binary executable or a script with a valid path pointing to an executable in the shebang ( #!/usr/local/bin/perl for example) as the first line. See your system's man execve(2) page for additional information. </P ></DD ><DT ><CODE CLASS="parameter" >args</CODE ></DT ><DD ><P > <CODE CLASS="parameter" >args</CODE > is an array of argument strings passed to the program. </P ></DD ><DT ><CODE CLASS="parameter" >envs</CODE ></DT ><DD ><P > <CODE CLASS="parameter" >envs</CODE > is an array of strings which are passed as environment to the program. The array is in the format of name => value, the key being the name of the environmental variable and the value being the value of that variable. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN169901" ></A ><H2 >返回值</H2 ><P > Returns <TT CLASS="constant" ><B >FALSE</B ></TT > on error and does not return on success. </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.pcntl-alarm.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.pcntl-fork.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >pcntl_alarm</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.pcntl.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >pcntl_fork</TD ></TR ></TABLE ></DIV ></BODY ></HTML >