<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >dbase_pack</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="dBase Functions" HREF="ref.dbase.html"><LINK REL="PREVIOUS" TITLE="dbase_open" HREF="function.dbase-open.html"><LINK REL="NEXT" TITLE="dbase_replace_record" HREF="function.dbase-replace-record.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.dbase-open.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.dbase-replace-record.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbase-pack" ></A >dbase_pack</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN34349" ></A ><P > (PHP 3, PHP 4, PHP 5)</P >dbase_pack -- Packs a database</DIV ><DIV CLASS="refsect1" ><A NAME="AEN34352" ></A ><H2 >说明</H2 >bool <B CLASS="methodname" >dbase_pack</B > ( int dbase_identifier )<BR ></BR ><P > Packs the specified database by permanently deleting all records marked for deletion using <A HREF="function.dbase-delete-record.html" ><B CLASS="function" >dbase_delete_record()</B ></A >. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN34362" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >dbase_identifier</CODE ></DT ><DD ><P > The database link identifier, returned by <A HREF="function.dbase-open.html" ><B CLASS="function" >dbase_open()</B ></A > or <A HREF="function.dbase-create.html" ><B CLASS="function" >dbase_create()</B ></A >. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN34373" ></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="AEN34378" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN34381" ></A ><P ><B >例 1. Emptying a dBase database</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br /></font><font color="#FF8000">// open in read-write mode<br /></font><font color="#0000BB">$db </font><font color="#007700">= </font><font color="#0000BB">dbase_open</font><font color="#007700">(</font><font color="#DD0000">'/tmp/test.dbf'</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">);<br /><br />if (</font><font color="#0000BB">$db</font><font color="#007700">) {<br /> </font><font color="#0000BB">$record_numbers </font><font color="#007700">= </font><font color="#0000BB">dbase_numrecords</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">);<br /> for (</font><font color="#0000BB">$i </font><font color="#007700">= </font><font color="#0000BB">1</font><font color="#007700">; </font><font color="#0000BB">$i </font><font color="#007700"><= </font><font color="#0000BB">$record_numbers</font><font color="#007700">; </font><font color="#0000BB">$i</font><font color="#007700">++) {<br /> </font><font color="#0000BB">dbase_delete_record</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">, </font><font color="#0000BB">$i</font><font color="#007700">);<br /> }<br /> </font><font color="#FF8000">// expunge the database<br /> </font><font color="#0000BB">dbase_pack</font><font color="#007700">(</font><font color="#0000BB">$db</font><font color="#007700">);<br />}<br /><br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN34384" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.dbase-delete-record.html" ><B CLASS="function" >dbase_delete_record()</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.dbase-open.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.dbase-replace-record.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbase_open</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbase.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbase_replace_record</TD ></TR ></TABLE ></DIV ></BODY ></HTML >