<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >xdiff_file_diff</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="xdiff Functions" HREF="ref.xdiff.html"><LINK REL="PREVIOUS" TITLE="xdiff_file_diff_binary" HREF="function.xdiff-file-diff-binary.html"><LINK REL="NEXT" TITLE="xdiff_file_merge3" HREF="function.xdiff-file-merge3.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.xdiff-file-diff-binary.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.xdiff-file-merge3.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.xdiff-file-diff" ></A >xdiff_file_diff</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN239817" ></A ><P > (PECL)</P >xdiff_file_diff -- Make unified diff of two files</DIV ><DIV CLASS="refsect1" ><A NAME="AEN239820" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >xdiff_file_diff</B > ( string file1, string file2, string dest [, int context [, bool minimal]] )<BR ></BR ><P > Makes a diff of two files and stores the result in a file. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN239841" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >file1</CODE ></DT ><DD ><P > </P ></DD ><DT ><CODE CLASS="parameter" >file2</CODE ></DT ><DD ><P > </P ></DD ><DT ><CODE CLASS="parameter" >dest</CODE ></DT ><DD ><P > Path of the resulting file. </P ></DD ><DT ><CODE CLASS="parameter" >context</CODE ></DT ><DD ><P > Indicates how many lines of context you want to include in diff result. </P ></DD ><DT ><CODE CLASS="parameter" >minimal</CODE ></DT ><DD ><P > Set this parameter to <TT CLASS="constant" ><B >TRUE</B ></TT > if you want to minimalize size of diff (can take a long time). Resulting file is human-readable. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN239871" ></A ><H2 >返回值</H2 ><P > 如果成功则返回 <TT CLASS="constant" ><B >TRUE</B ></TT >,失败则返回 <TT CLASS="constant" ><B >FALSE</B ></TT >。 </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN239876" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN239879" ></A ><P ><B >例 1. <B CLASS="function" >xdiff_file_diff()</B > example</B ></P ><P > The following code makes unified diff of two php files. </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$old_version </font><font color="#007700">= </font><font color="#DD0000">'my_script.php'</font><font color="#007700">;<br /></font><font color="#0000BB">$new_version </font><font color="#007700">= </font><font color="#DD0000">'my_new_script.php'</font><font color="#007700">;<br /><br /></font><font color="#0000BB">xdiff_file_diff</font><font color="#007700">(</font><font color="#0000BB">$old_version</font><font color="#007700">, </font><font color="#0000BB">$new_version</font><font color="#007700">, </font><font color="#DD0000">'my_script.diff'</font><font color="#007700">, </font><font color="#0000BB">2</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="AEN239884" ></A ><H2 >注释</H2 ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >注意: </B > This function doesn't work well with binary files. To make diff of binary files use <A HREF="function.xdiff-file-diff-binary.html" ><B CLASS="function" >xdiff_file_diff_binary()</B ></A >. </P ></BLOCKQUOTE ></DIV ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN239889" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.xdiff-string-diff.html" ><B CLASS="function" >xdiff_string_diff()</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.xdiff-file-diff-binary.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.xdiff-file-merge3.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >xdiff_file_diff_binary</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.xdiff.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >xdiff_file_merge3</TD ></TR ></TABLE ></DIV ></BODY ></HTML >