<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >dbx_escape_string</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="dbx Functions" HREF="ref.dbx.html"><LINK REL="PREVIOUS" TITLE="dbx_error" HREF="function.dbx-error.html"><LINK REL="NEXT" TITLE="dbx_fetch_row" HREF="function.dbx-fetch-row.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.dbx-error.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.dbx-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.dbx-escape-string" ></A >dbx_escape_string</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN35439" ></A ><P > (PHP 4 >= 4.3.0, PHP 5 <= 5.0.4)</P >dbx_escape_string -- Escape a string so it can safely be used in an sql-statement </DIV ><DIV CLASS="refsect1" ><A NAME="AEN35442" ></A ><H2 >说明</H2 >string <B CLASS="methodname" >dbx_escape_string</B > ( object link_identifier, string text )<BR ></BR ><P > Escape the given string so that it can safely be used in an sql-statement. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35454" ></A ><H2 >参数</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >link_identifier</CODE ></DT ><DD ><P > The DBX link object returned by <A HREF="function.dbx-connect.html" ><B CLASS="function" >dbx_connect()</B ></A > </P ></DD ><DT ><CODE CLASS="parameter" >text</CODE ></DT ><DD ><P > The string to escape. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35469" ></A ><H2 >返回值</H2 ><P > Returns the text, escaped where necessary (such as quotes, backslashes etc). On error, <TT CLASS="constant" ><B >NULL</B ></TT > is returned. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN35473" ></A ><H2 >范例</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN35476" ></A ><P ><B >例 1. <B CLASS="function" >dbx_escape_string()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br />$link </font><font color="#007700">= </font><font color="#0000BB">dbx_connect</font><font color="#007700">(</font><font color="#0000BB">DBX_MYSQL</font><font color="#007700">, </font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"db"</font><font color="#007700">, </font><font color="#DD0000">"username"</font><font color="#007700">, </font><font color="#DD0000">"password"</font><font color="#007700">)<br /> or die(</font><font color="#DD0000">"Could not connect"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">$text </font><font color="#007700">= </font><font color="#0000BB">dbx_escape_string</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"It\'s quoted and backslashed (\\)."</font><font color="#007700">);<br /></font><font color="#0000BB">$result </font><font color="#007700">= </font><font color="#0000BB">dbx_query</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">, </font><font color="#DD0000">"insert into tbl (txt) values ('" </font><font color="#007700">. </font><font color="#0000BB">$text </font><font color="#007700">. </font><font color="#DD0000">"')"</font><font color="#007700">);<br />if (</font><font color="#0000BB">$result </font><font color="#007700">== </font><font color="#0000BB">0</font><font color="#007700">) {<br /> echo </font><font color="#0000BB">dbx_error</font><font color="#007700">(</font><font color="#0000BB">$link</font><font color="#007700">);<br />}<br /></font><font color="#0000BB">dbx_close</font><font color="#007700">(</font><font color="#0000BB">$link</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="AEN35480" ></A ><H2 >参见</H2 ><P > <P ></P ><TABLE BORDER="0" ><TBODY ><TR ><TD ><A HREF="function.dbx-query.html" ><B CLASS="function" >dbx_query()</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.dbx-error.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.dbx-fetch-row.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >dbx_error</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.dbx.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >dbx_fetch_row</TD ></TR ></TABLE ></DIV ></BODY ></HTML >