<HTML ><HEAD ><TITLE >ldap_connect</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="LDAP functions" HREF="ref.ldap.html"><LINK REL="PREVIOUS" TITLE="ldap_compare" HREF="function.ldap-compare.html"><LINK REL="NEXT" TITLE="ldap_count_entries" HREF="function.ldap-count-entries.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></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 Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.ldap-compare.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.ldap-count-entries.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.ldap-connect" ></A >ldap_connect</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN42746" ></A ><P > (PHP 3, PHP 4 )</P >ldap_connect -- Connect to an LDAP server</DIV ><DIV CLASS="refsect1" ><A NAME="AEN42749" ></A ><H2 >Description</H2 >resource <B CLASS="methodname" >ldap_connect</B > ( [string hostname [, int port]])<BR ></BR ><P > Returns a positive LDAP link identifier on success, or <TT CLASS="constant" ><B >FALSE</B ></TT > on error.</P ><P > <B CLASS="function" >ldap_connect()</B > establishes a connection to a LDAP server on a specified <TT CLASS="parameter" ><I >hostname</I ></TT > and <TT CLASS="parameter" ><I >port</I ></TT >. Both the arguments are optional. If no arguments are specified then the link identifier of the already opened link will be returned. If only <TT CLASS="parameter" ><I >hostname</I ></TT > is specified, then the port defaults to 389.</P ><P > 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 use ldaps://hostname/ as host parameter. The port parameter is not used when using URLs. </P ><DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Note: </B > URL and SSL support were added in 4.0.4. </P ></BLOCKQUOTE ></DIV ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN42770" ></A ><P ><B >Example 1. Example of connecting to LDAP server.</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php // LDAP variables $ldaphost = "ldap.example.com"; // your ldap servers $ldapport = 389; // your ldap server's port number // Connecting to LDAP $ldapconn = ldap_connect( $ldaphost, $ldapport ) or die( "Could not connect to {$ldaphost}" ); ?></PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN42773" ></A ><P ><B >Example 2. Example of connecting securely to LDAP server.</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php // make sure your host is the correct one // that you issued your secure certificate to $ldaphost = "ldaps://ldap.example.com/"; // Connecting to LDAP $ldapconn = ldap_connect( $ldaphost ) or die( "Could not connect to {$ldaphost}" ); ?></PRE ></TD ></TR ></TABLE ></DIV ></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.ldap-compare.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.ldap-count-entries.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >ldap_compare</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.ldap.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >ldap_count_entries</TD ></TR ></TABLE ></DIV ></BODY ></HTML >