<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >新指令</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="从 PHP 4 移植到 PHP 5" HREF="migration5.html"><LINK REL="PREVIOUS" TITLE="新函数" HREF="migration5.functions.html"><LINK REL="NEXT" TITLE="数据库" HREF="migration5.databases.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="section" 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="migration5.functions.html" ACCESSKEY="P" >上一页</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >附录 C. 从 PHP 4 移植到 PHP 5</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="migration5.databases.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="section" ><H1 CLASS="section" ><A NAME="migration5.newconf" >新指令</A ></H1 ><P > PHP 5 在 <TT CLASS="filename" >php.ini</TT > 中引进了一些新指令。列表如下: </P ><P ></P ><UL ><LI ><P > mail.force_extra_parameters - 强制指定的参数附加值作为额外的参数传递给 sendmail 库。这些参数总是会替换掉 <A HREF="function.mail.html" ><B CLASS="function" >mail()</B ></A > 的第 5 个参数,即使在安全模式下 </P ></LI ><LI ><P > <A HREF="ini.core.html#ini.register-long-arrays" >register_long_arrays</A > - 允许/禁止 PHP 注册已过时的 $HTTP_*_VARS 变量 </P ></LI ><LI ><P > <A HREF="ref.session.html#ini.session.hash-function" >session.hash_function</A > - 选择一种散列函数(MD5 或 SHA-1) </P ></LI ><LI ><P > <A HREF="ref.session.html#ini.session.hash-bits-per-character" >session.hash_bits_per_character</A > - 定义将二进制散列数据转换为可读格式时每个字符中储存几个位(从 4 到 6) </P ></LI ><LI ><P > <A HREF="ini.core.html#ini.zend.ze1-compatibility-mode" >zend.ze1_compatibility_mode</A > - 启用 Zend Engline 1 代(PHP 4)兼容模式 </P ></LI ></UL ></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="migration5.functions.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="migration5.databases.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >新函数</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="migration5.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >数据库</TD ></TR ></TABLE ></DIV ></BODY ></HTML >