PHP - Manual: ldap_list

2024-11-13

ldap_list

(PHP 4, PHP 5, PHP 7, PHP 8)

ldap_list — Single-level search

说明

ldap_list(
    LDAP\Connection|array $ldap,
    array|string $base,
    array|string $filter,
    array $attributes = [],
    int $attributes_only = 0,
    int $sizelimit = -1,
    int $timelimit = -1,
    int $deref = LDAP_DEREF_NEVER,
    ?array $controls = null
): LDAP\Result|array|false

Performs the search for a specified filter on the directory with the scope LDAP_SCOPE_ONELEVEL.

LDAP_SCOPE_ONELEVEL means that the search should only return information that is at the level immediately below the base given in the call. (Equivalent to typing "ls" and getting a list of files and folders in the current working directory.)

It is also possible to perform parallel searches. In this case, the first argument should be an array of LDAP\Connection instances, rather than a single one. If the searches should not all use the same base DN and filter, an array of base DNs and/or an array of filters can be passed as arguments instead. These arrays must be of the same size as the LDAP\Connection instances array, since the first entries of the arrays are used for one search, the second entries are used for another, and so on. When doing parallel searches an array of LDAP\Result instances is returned, except in case of error, when the return value will be false.

参数

ldap

通过 ldap_connect() 返回的 LDAP\Connection 实例。

base

The base DN for the directory.

filter

attributes

An array of the required attributes, e.g. array("mail", "sn", "cn"). Note that the "dn" is always returned irrespective of which attributes types are requested.

Using this parameter is much more efficient than the default action (which is to return all attributes and their associated values). The use of this parameter should therefore be considered good practice.

attributes_only

Should be set to 1 if only attribute types are wanted. If set to 0 both attributes types and attribute values are fetched which is the default behaviour.

sizelimit

Enables you to limit the count of entries fetched. Setting this to 0 means no limit.

注意:
This parameter can NOT override server-side preset sizelimit. You can set it lower though.

Some directory server hosts will be configured to return no more than a preset number of entries. If this occurs, the server will indicate that it has only returned a partial results set. This also occurs if you use this parameter to limit the count of fetched entries.

timelimit

Sets the number of seconds how long is spend on the search. Setting this to 0 means no limit.

注意:
This parameter can NOT override server-side preset timelimit. You can set it lower though.

deref

Specifies how aliases should be handled during the search. It can be one of the following:

LDAP_DEREF_NEVER - (default) aliases are never dereferenced.
LDAP_DEREF_SEARCHING - aliases should be dereferenced during the search but not when locating the base object of the search.
LDAP_DEREF_FINDING - aliases should be dereferenced when locating the base object but not during the search.
LDAP_DEREF_ALWAYS - aliases should be dereferenced always.

controls

Array of LDAP Controls to send with the request.

返回值

Returns an LDAP\Result instance, an array of LDAP\Result instances, 或者在失败时返回 false.

更新日志

版本	说明
8.1.0	现在 `ldap` 参数接受 LDAP\Connection 实例，之前接受资源(resource)。
8.1.0	Returns an LDAP\Result instance now; previously, a 资源(resource) was returned.
8.0.0	`controls` is nullable now; previously, it defaulted to `[]`.
7.3	Support for `controls` added

范例

示例 #1 Produce a list of all organizational units of an organization


<?php
// $ds is a valid link identifier for a directory server

$basedn = "o=My Company, c=US";
$justthese = array("ou");

$sr = ldap_list($ds, $basedn, "ou=*", $justthese);

$info = ldap_get_entries($ds, $sr);

for ($i=0; $i < $info["count"]; $i++) {
    echo $info[$i]["ou"][0];
}
?>

参见

ldap_search() - Search LDAP tree

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官方地址：https://www.php.net/manual/en/function.ldap-list.php

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ldap_list

说明

参数

返回值

更新日志

范例

参见

User Contributed Notes