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>ldap_connect</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN104217"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>ldap_connect&nbsp;--&nbsp;Connect to an LDAP server</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104220"
></A
><H2
>说明</H2
>resource <B
CLASS="methodname"
>ldap_connect</B
> ( [string hostname [, int port]] )<BR
></BR
><P
>&#13;   Establishes a connection to a LDAP server on a specified
   <CODE
CLASS="parameter"
>hostname</CODE
> and <CODE
CLASS="parameter"
>port</CODE
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104234"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>hostname</CODE
></DT
><DD
><P
>&#13;       If you are using OpenLDAP 2.x.x you can specify a URL instead of the
       hostname. To use LDAP with SSL, compile OpenLDAP 2.x.x with SSL
       support, configure PHP with SSL, and set this parameter as  
       <TT
CLASS="literal"
>ldaps://hostname/</TT
>.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>port</CODE
></DT
><DD
><P
>&#13;       The port to connect to. Not used when using URLs. Defaults to 389.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104249"
></A
><H2
>返回值</H2
><P
>&#13;   Returns a positive LDAP link identifier on success, or <TT
CLASS="constant"
><B
>FALSE</B
></TT
> on error.
   When OpenLDAP 2.x.x is used, <B
CLASS="function"
>ldap_connect()</B
> will always
   return a <A
HREF="language.types.resource.html"
><B
CLASS="type"
>resource</B
></A
> as it does not actually connect but just
   initializes the connecting parameters.  The actual connect happens with
   the next calls to ldap_* funcs, usually with
   <A
HREF="function.ldap-bind.html"
><B
CLASS="function"
>ldap_bind()</B
></A
>.
  </P
><P
>&#13;   If no arguments are specified then the link identifier of the already
   opened link will be returned.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104257"
></A
><H2
>更新日志</H2
><P
>&#13;   <DIV
CLASS="informaltable"
><P
></P
><A
NAME="AEN104260"
></A
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><THEAD
><TR
><TH
>版本</TH
><TH
>说明</TH
></TR
></THEAD
><TBODY
><TR
><TD
>4.0.4</TD
><TD
>&#13;        URL and SSL support was added.
       </TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104270"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN104273"
></A
><P
><B
>例 1. Example of connecting to LDAP server.</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// LDAP variables<br /></font><font color="#0000BB">$ldaphost </font><font color="#007700">= </font><font color="#DD0000">"ldap.example.com"</font><font color="#007700">;&nbsp;&nbsp;</font><font color="#FF8000">// your ldap servers<br /></font><font color="#0000BB">$ldapport </font><font color="#007700">= </font><font color="#0000BB">389</font><font color="#007700">;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font><font color="#FF8000">// your ldap server's port number<br /><br />// Connecting to LDAP<br /></font><font color="#0000BB">$ldapconn </font><font color="#007700">= </font><font color="#0000BB">ldap_connect</font><font color="#007700">(</font><font color="#0000BB">$ldaphost</font><font color="#007700">, </font><font color="#0000BB">$ldapport</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Could not connect to $ldaphost"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
   <TABLE
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BORDER="0"
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CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN104276"
></A
><P
><B
>例 2. Example of connecting securely to LDAP server.</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /><br /></font><font color="#FF8000">// make sure your host is the correct one<br />// that you issued your secure certificate to<br /></font><font color="#0000BB">$ldaphost </font><font color="#007700">= </font><font color="#DD0000">"ldaps://ldap.example.com/"</font><font color="#007700">;<br /><br /></font><font color="#FF8000">// Connecting to LDAP<br /></font><font color="#0000BB">$ldapconn </font><font color="#007700">= </font><font color="#0000BB">ldap_connect</font><font color="#007700">(</font><font color="#0000BB">$ldaphost</font><font color="#007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or die(</font><font color="#DD0000">"Could not connect to </font><font color="#007700">{</font><font color="#DD0000">$ldaphost</font><font color="#007700">}</font><font color="#DD0000">"</font><font color="#007700">);<br /><br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN104279"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
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><TR
><TD
><A
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><B
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>ldap_bind()</B
></A
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