<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >maxdb_connect_error</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="MaxDB PHP Extension" HREF="ref.maxdb.html"><LINK REL="PREVIOUS" TITLE="maxdb_connect_errno" HREF="function.maxdb-connect-errno.html"><LINK REL="NEXT" TITLE="maxdb_connect" HREF="function.maxdb-connect.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.maxdb-connect-errno.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.maxdb-connect.html" ACCESSKEY="N" >下一页</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.maxdb-connect-error" ></A >maxdb_connect_error</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN110090" ></A ><P > (PECL)</P >maxdb_connect_error -- Returns a string description of the last connect error</DIV ><DIV CLASS="refsect1" ><A NAME="AEN110093" ></A ><H2 >Description</H2 >string <B CLASS="methodname" >maxdb_connect_error</B > ( void )<BR ></BR ><P > The <B CLASS="function" >maxdb_connect_error()</B > function is identical to the corresponding <A HREF="function.maxdb-connect-errno.html" ><B CLASS="function" >maxdb_connect_errno()</B ></A > function in every way, except instead of returning an integer error code the <B CLASS="function" >maxdb_connect_error()</B > function will return a string representation of the last error to occur for the last <A HREF="function.maxdb-connect.html" ><B CLASS="function" >maxdb_connect()</B ></A > call. If no error has occured, this function will return an empty string. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110104" ></A ><H2 >Return values</H2 ><P > A string that describes the error. An empty string if no error occurred. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110107" ></A ><H2 >See also</H2 ><P > <A HREF="function.maxdb-connect.html" ><B CLASS="function" >maxdb_connect()</B ></A >, <A HREF="function.maxdb-connect-errno.html" ><B CLASS="function" >maxdb_connect_errno()</B ></A >, <A HREF="function.maxdb-errno.html" ><B CLASS="function" >maxdb_errno()</B ></A >, <A HREF="function.maxdb-error.html" ><B CLASS="function" >maxdb_error()</B ></A >, <A HREF="function.maxdb-sqlstate.html" ><B CLASS="function" >maxdb_sqlstate()</B ></A > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN110115" ></A ><H2 >Example</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN110118" ></A ><P ><B >例 1. maxdb_connect_error sample</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /><br />$link </font><font color="#007700">= </font><font color="#0000BB">maxdb_connect</font><font color="#007700">(</font><font color="#DD0000">"localhost"</font><font color="#007700">, </font><font color="#DD0000">"nonexisting_user"</font><font color="#007700">, </font><font color="#DD0000">""</font><font color="#007700">);<br /><br />if (!</font><font color="#0000BB">$link</font><font color="#007700">) {<br /> </font><font color="#0000BB">printf</font><font color="#007700">(</font><font color="#DD0000">"Can't connect to localhost. Error: %s\n"</font><font color="#007700">, </font><font color="#0000BB">maxdb_connect_error</font><font color="#007700">());<br />}<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > The above example would produce the following output: </P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >PHP Warning: maxdb_connect(): -4008 POS(1) Unknown user name/password combination <...> Can't connect to localhost. Error: POS(1) Unknown user name/password combination</PRE ></TD ></TR ></TABLE ></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.maxdb-connect-errno.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.maxdb-connect.html" ACCESSKEY="N" >下一页</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >maxdb_connect_errno</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.maxdb.html" ACCESSKEY="U" >上一级</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >maxdb_connect</TD ></TR ></TABLE ></DIV ></BODY ></HTML >