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><H1
><A
NAME="function.ldap-set-option"
></A
>ldap_set_option</H1
><DIV
CLASS="refnamediv"
><A
NAME="AEN105963"
></A
><P
>    (PHP 4 &#62;= 4.0.4, PHP 5)</P
>ldap_set_option&nbsp;--&nbsp;Set the value of the given option</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN105966"
></A
><H2
>说明</H2
>bool <B
CLASS="methodname"
>ldap_set_option</B
> ( resource link_identifier, int option, mixed newval )<BR
></BR
><P
>&#13;   Sets the value of the specified option to be <CODE
CLASS="parameter"
>newval</CODE
>.
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN105982"
></A
><H2
>参数</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>link_identifier</CODE
></DT
><DD
><P
>&#13;       An LDAP link identifier, returned by <A
HREF="function.ldap-connect.html"
><B
CLASS="function"
>ldap_connect()</B
></A
>.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>option</CODE
></DT
><DD
><P
>&#13;       The parameter <CODE
CLASS="parameter"
>option</CODE
> can be one of:
       <DIV
CLASS="informaltable"
><P
></P
><A
NAME="AEN105998"
></A
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><THEAD
><TR
><TH
>Option</TH
><TH
>Type</TH
><TD
>&nbsp;</TD
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_DEREF</B
></TT
></TD
><TD
>integer</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_SIZELIMIT</B
></TT
></TD
><TD
>integer</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_TIMELIMIT</B
></TT
></TD
><TD
>integer</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_PROTOCOL_VERSION</B
></TT
></TD
><TD
>integer</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_ERROR_NUMBER</B
></TT
></TD
><TD
>integer</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_REFERRALS</B
></TT
></TD
><TD
>bool</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_RESTART</B
></TT
></TD
><TD
>bool</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_HOST_NAME</B
></TT
></TD
><TD
>string</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_ERROR_STRING</B
></TT
></TD
><TD
>string</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_MATCHED_DN</B
></TT
></TD
><TD
>string</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_SERVER_CONTROLS</B
></TT
></TD
><TD
>array</TD
><TD
>&nbsp;</TD
></TR
><TR
><TD
><TT
CLASS="constant"
><B
>LDAP_OPT_CLIENT_CONTROLS</B
></TT
></TD
><TD
>array</TD
><TD
>&nbsp;</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
>
      </P
><P
>&#13;       <TT
CLASS="constant"
><B
>LDAP_OPT_SERVER_CONTROLS</B
></TT
> and 
       <TT
CLASS="constant"
><B
>LDAP_OPT_CLIENT_CONTROLS</B
></TT
> require a list of
       controls, this means that the value must be an array of controls. A
       control consists of an <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>oid</I
></SPAN
> identifying the control,
       an optional <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>value</I
></SPAN
>, and an optional flag for
       <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>criticality</I
></SPAN
>. In PHP a control is given by an
       array containing an element with the key <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>oid</I
></SPAN
>
       and string value, and two optional elements. The optional
       elements are key <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>value</I
></SPAN
> with string value
       and key <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>iscritical</I
></SPAN
> with boolean value.
       <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>iscritical</I
></SPAN
> defaults to <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
><TT
CLASS="constant"
><B
>FALSE</B
></TT
></I
></SPAN
>
       if not supplied. See <A
HREF="http://www.openldap.org/devel/cvsweb.cgi/~checkout~/doc/drafts/draft-ietf-ldapext-ldap-c-api-xx.txt"
TARGET="_top"
>draft-ietf-ldapext-ldap-c-api-xx.txt</A
>
       for details. See also the second example below.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>newval</CODE
></DT
><DD
><P
>&#13;       The new value for the specified <CODE
CLASS="parameter"
>option</CODE
>.
      </P
></DD
></DL
></DIV
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN106072"
></A
><H2
>返回值</H2
><P
>&#13;   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="AEN106077"
></A
><H2
>范例</H2
><P
>&#13;   <TABLE
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN106080"
></A
><P
><B
>例 1. Set protocol version</B
></P
><TABLE
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><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// $ds is a valid link identifier for a directory server<br /></font><font color="#007700">if (</font><font color="#0000BB">ldap_set_option</font><font color="#007700">(</font><font color="#0000BB">$ds</font><font color="#007700">, </font><font color="#0000BB">LDAP_OPT_PROTOCOL_VERSION</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">)) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Using LDAPv3"</font><font color="#007700">;<br />} else {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Failed to set protocol version to 3"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
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CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN106083"
></A
><P
><B
>例 2. Set server controls</B
></P
><TABLE
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><TR
><TD
><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// $ds is a valid link identifier for a directory server<br />// control with no value<br /></font><font color="#0000BB">$ctrl1 </font><font color="#007700">= array(</font><font color="#DD0000">"oid" </font><font color="#007700">=&gt; </font><font color="#DD0000">"1.2.752.58.10.1"</font><font color="#007700">, </font><font color="#DD0000">"iscritical" </font><font color="#007700">=&gt; </font><font color="#0000BB">true</font><font color="#007700">);<br /></font><font color="#FF8000">// iscritical defaults to FALSE<br /></font><font color="#0000BB">$ctrl2 </font><font color="#007700">= array(</font><font color="#DD0000">"oid" </font><font color="#007700">=&gt; </font><font color="#DD0000">"1.2.752.58.1.10"</font><font color="#007700">, </font><font color="#DD0000">"value" </font><font color="#007700">=&gt; </font><font color="#DD0000">"magic"</font><font color="#007700">);<br /></font><font color="#FF8000">// try to set both controls<br /></font><font color="#007700">if (!</font><font color="#0000BB">ldap_set_option</font><font color="#007700">(</font><font color="#0000BB">$ds</font><font color="#007700">, </font><font color="#0000BB">LDAP_OPT_SERVER_CONTROLS</font><font color="#007700">, array(</font><font color="#0000BB">$ctrl1</font><font color="#007700">, </font><font color="#0000BB">$ctrl2</font><font color="#007700">))) {<br />&nbsp;&nbsp;&nbsp;&nbsp;echo </font><font color="#DD0000">"Failed to set server controls"</font><font color="#007700">;<br />}<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
>
  </P
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN106086"
></A
><H2
>注释</H2
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>注意: </B
>
    This function is only available when using OpenLDAP 2.x.x OR Netscape
    Directory SDK x.x.
   </P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN106090"
></A
><H2
>参见</H2
><P
>&#13;   <P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><A
HREF="function.ldap-get-option.html"
><B
CLASS="function"
>ldap_get_option()</B
></A
></TD
></TR
></TBODY
></TABLE
><P
></P
>
  </P
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