<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >imagecreatefromgd</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="Image 图像函数" HREF="ref.image.html"><LINK REL="PREVIOUS" TITLE="imagecreatefromgd2part" HREF="function.imagecreatefromgd2part.html"><LINK REL="NEXT" TITLE="imagecreatefromgif" HREF="function.imagecreatefromgif.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.imagecreatefromgd2part.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.imagecreatefromgif.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.imagecreatefromgd" ></A >imagecreatefromgd</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN87935" ></A ><P > (PHP 4 >= 4.1.0, PHP 5)</P >imagecreatefromgd -- 从 GD 文件或 URL 新建一图像</DIV ><DIV CLASS="refsect1" ><A NAME="AEN87938" ></A ><H2 >说明</H2 >resource <B CLASS="methodname" >imagecreatefromgd</B > ( string filename )<BR ></BR ><P > <DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >警告</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P >本函数暂无文档,仅有参数列表。</P ></TD ></TR ></TABLE ></DIV > </P ><DIV CLASS="tip" ><BLOCKQUOTE CLASS="tip" ><P ><B >提示: </B >如果<A HREF="ref.filesystem.html#ini.allow-url-fopen" >“fopen wrappers”</A >已经被激活,则在本函数中可以把 URL 作为文件名来使用。请参阅 <A HREF="function.fopen.html" ><B CLASS="function" >fopen()</B ></A > 函数来获取怎样指定文件名的详细信息以及支持 URL 封装协议的列表:<A HREF="wrappers.html" >附录 N</A >。</P ></BLOCKQUOTE ></DIV ><DIV CLASS="warning" ><P ></P ><TABLE CLASS="warning" BORDER="1" WIDTH="100%" ><TR ><TD ALIGN="CENTER" ><B >警告</B ></TD ></TR ><TR ><TD ALIGN="LEFT" ><P >Windows 版本的 PHP 在 4.3.0 版之前不支持本函数的远程文件访问,即使 <A HREF="ref.filesystem.html#ini.allow-url-fopen" >allow_url_fopen</A > 选项已被激活。</P ></TD ></TR ></TABLE ></DIV ></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.imagecreatefromgd2part.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.imagecreatefromgif.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >imagecreatefromgd2part</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.image.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >imagecreatefromgif</TD ></TR ></TABLE ></DIV ></BODY ></HTML >