<?php
// basic sequence with LDAP is connect, bind, search, interpret search
// result, close connection

echo "<h3>LDAP query test</h3>";
echo "Connecting ...";
$ds=ldap_connect("ldap.iiita.ac.in");  // must be a valid LDAP server!
echo "connect result is " . $ds . "<br />";

if ($ds) { 
   echo "Binding ..."; 
   $r=ldap_bind($ds, "uid=mmishra,ou=users,dc=iiita,dc=ac,dc=in", "Mmishra");
//   $r=ldap_bind($ds);    // this is an "anonymous" bind, typically
                           // read-only access
   echo "Bind result is " . $r . "<br />";
   $sr=ldap_search($ds, "ou=users,dc=iiita,dc=ac,dc=in", "(&(uid=mmishra)(objectclass=posixAccount)(|(host=172.31.2.3)(host=\*)))");
   if (($e = ldap_get_entries($ds, $sr)) && $e["count"] > 0) $r = 1;
   echo "Searching for (sn=S*) ...";
   echo "Search result is " . $sr . "<br />";

   echo "Number of entries returned is " . ldap_count_entries($ds, $sr) . "<br />";

   echo "Getting entries ...<p>";
   $info = ldap_get_entries($ds, $sr);
   echo "Data for " . $info["count"] . " items returned:<p>";
   for ($i=0; $i<$info["count"]; $i++) {
       $entry = ldap_first_entry($ds, $sr);
       $attrs = ldap_get_attributes($ds, $entry);
       for ($j=0;$j<$attrs["count"];$j++){
         $att = $attrs[$j];
         echo $att . " ---- ";
         $atval = ldap_get_values($ds,$entry, $att);
         for ($k=0;$k<$atval["count"];$k++){
            echo $info[$i][$att][$k] . "<br />\n";
         }
       }
   }


   echo "Closing connection";
   ldap_close($ds);

} else {
   echo "<h4>Unable to connect to LDAP server</h4>";
}
?>