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ldap_free_result> <ldap_first_entry
[edit] Last updated: Sat, 12 May 2012

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ldap_first_reference

(PHP 4 >= 4.0.5, PHP 5)

ldap_first_referenceReturn first reference

Description

resource ldap_first_reference ( resource $link , resource $result )
Warning

This function is currently not documented; only its argument list is available.



add a note add a note User Contributed Notes ldap_first_reference
sami at sipponen dot com 16-Nov-2004 03:56
Hopefully the code below help you to loop through references with LDAP3 servers. It took me a significant amount of time to figure out how this thing works and now I have successfully used this with Active Directory to loop through severial subdomains.

Special thanks to Stig Venaas who helped me to get started. (the original problem was that ldap_parse_reference function was missing in Windows builds. At least it will now work with Windows PHP versions 5.1.0-DEV and higher after I made a bug report)

function crawlRefs($user, $passw, $host, $dn, $port, $filter) {

  //Create the basic connection for fetching referrals
  $adConn = ldap_connect($host, $port) or die("System couldn't connect!");
  ldap_set_option($adConn, LDAP_OPT_PROTOCOL_VERSION, 3) or die ("System couldn't make first protocol option setting!");
  ldap_set_option($adConn, LDAP_OPT_REFERRALS, 0) or die ("System couldn't make second protocol option setting!");
  $bd = ldap_bind($adConn, $user, $passw) or die ("System couldn't bind the connection!");
  $search = ldap_search($adConn, $dn, $filter);

  //Find referrals
  $ref = ldap_first_reference($adConn, $search);
  while ($ref) {
    if (ldap_parse_reference($adConn, $ref, $referrals)) {
      while ($referral = array_shift($referrals)) {
        echo $referral . "<br>\n";
      }
    }
  $ref = ldap_next_reference($adConn, $ref);
}

 
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