循环获取PHP脚本中的LDAP条目

Question

Getting LDAP data through PHP by using ldap_connect function I want to list all the objectclass items available.

I got the variable $entries from here so I can print a single entry of my LDAP server when executing the following line:

var_dump($entries[0]["objectclass"][0]);

For entries with multiple values I am able to do it one by one, I mean:

var_dump($entries[0]["objectclass"][0]);
var_dump($entries[0]["objectclass"][1]);
var_dump($entries[0]["objectclass"][2]);

But I can't get it inside of a for loop like this and I don't understand why:

for ($i = 0; $i < 4; $i++){
    echo $i;
    var_dump($entries[0]["objectclass"][$i]);
}

Actually, my purpose is to do it without knowing the maximum number of objectclass I have, so I want to do it within a while loop looking for the objectclass values until I find the NULL value, something like:

$i=0;
while (var_dump($entries[0]["objectclass"][$i]) != NULL){
    var_dump($entries[0]["objectclass"][$i]);
    $i++;
}

Answer 1

You should be able to use the count item to iterate the values:

for ($i = 0; $i < $entries[0]['objectclass']['count']; $i++) {
    echo $i;
    var_dump($entries[0]["objectclass"][$i]);
}