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<div id="ldap.examples-controls" class="section">
  <h2 class="title">LDAP Controls</h2>
  <p class="para">
   Ниже показаны несколько примеры использования LDAP Controls с использованием PHP &gt;= 7.3.0.
  </p>

  <div class="example" id="example-1">
   <p><strong>Пример #1 Привязка с информацией policy</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php

$user   </span><span style="color: #007700">= </span><span style="color: #DD0000">'cn=admin,dc=example,dc=com'</span><span style="color: #007700">;
</span><span style="color: #0000BB">$passwd </span><span style="color: #007700">= </span><span style="color: #DD0000">'adminpassword'</span><span style="color: #007700">;

</span><span style="color: #0000BB">$ds </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'ldap://localhost'</span><span style="color: #007700">);

if (</span><span style="color: #0000BB">$ds</span><span style="color: #007700">) {
  </span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_bind_ext</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$passwd</span><span style="color: #007700">, [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYREQUEST</span><span style="color: #007700">]]);

  if (</span><span style="color: #0000BB">ldap_parse_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$ds</span><span style="color: #007700">, </span><span style="color: #0000BB">$r</span><span style="color: #007700">, </span><span style="color: #0000BB">$errcode</span><span style="color: #007700">, </span><span style="color: #0000BB">$matcheddn</span><span style="color: #007700">, </span><span style="color: #0000BB">$errmsg</span><span style="color: #007700">, </span><span style="color: #0000BB">$referrals</span><span style="color: #007700">, </span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">)) {
    if (</span><span style="color: #0000BB">$errcode </span><span style="color: #007700">!= </span><span style="color: #0000BB">0</span><span style="color: #007700">) {
      die(</span><span style="color: #DD0000">"Ошибки: </span><span style="color: #0000BB">$errmsg</span><span style="color: #DD0000"> (</span><span style="color: #0000BB">$errcode</span><span style="color: #DD0000">)"</span><span style="color: #007700">);
    }
    if (isset(</span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYRESPONSE</span><span style="color: #007700">])) {
      </span><span style="color: #0000BB">$value </span><span style="color: #007700">= </span><span style="color: #0000BB">$ctrls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PASSWORDPOLICYRESPONSE</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">];
      echo </span><span style="color: #DD0000">"Истекает: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'expire'</span><span style="color: #007700">].</span><span style="color: #DD0000">" seconds\n"</span><span style="color: #007700">;
      echo </span><span style="color: #DD0000">"Количество оставшихся аутентификаций: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'grace'</span><span style="color: #007700">].</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;
      if (isset(</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'error'</span><span style="color: #007700">])) {
        echo </span><span style="color: #DD0000">"Код ошибки Policy: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$value</span><span style="color: #007700">[</span><span style="color: #DD0000">'error'</span><span style="color: #007700">];
      }
    }
  }
} else {
  die(</span><span style="color: #DD0000">"Невозможно подключиться к серверу LDAP"</span><span style="color: #007700">);
}
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

  </div>

  <div class="example" id="example-2">
   <p><strong>Пример #2 Изменение описания, только если оно не пустое</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
  </span><span style="color: #FF8000">// $link - это LDAP-соединение

  </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_mod_replace_ext</span><span style="color: #007700">(
    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,
    </span><span style="color: #DD0000">'o=test,dc=example,dc=com'</span><span style="color: #007700">,
    [</span><span style="color: #DD0000">'description' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'New description'</span><span style="color: #007700">],
    [
      [
        </span><span style="color: #DD0000">'oid'         </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_ASSERT</span><span style="color: #007700">,
        </span><span style="color: #DD0000">'iscritical'  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">,
        </span><span style="color: #DD0000">'value'       </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'filter' </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">'(!(description=*))'</span><span style="color: #007700">]
      ]
    ]
  );

  </span><span style="color: #FF8000">// Затем используйте ldap_parse_result
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

  </div>

  <div class="example" id="example-3">
   <p><strong>Пример #3 Чтение определённых значений перед удалением</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
  </span><span style="color: #FF8000">// $link - это LDAP-соединение

  </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_delete_ext</span><span style="color: #007700">(
    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,
    </span><span style="color: #DD0000">'o=test,dc=example,dc=com'</span><span style="color: #007700">,
    [
      [
        </span><span style="color: #DD0000">'oid'         </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PRE_READ</span><span style="color: #007700">,
        </span><span style="color: #DD0000">'iscritical'  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">,
        </span><span style="color: #DD0000">'value'       </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'attrs' </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'o'</span><span style="color: #007700">, </span><span style="color: #DD0000">'description'</span><span style="color: #007700">]]
      ]
    ]
  );

  </span><span style="color: #FF8000">// Затем используйте ldap_parse_result
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

  </div>

  <div class="example" id="example-4">
   <p><strong>Пример #4 Удаление ссылки</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
  </span><span style="color: #FF8000">// $link - это LDAP-соединение

  // Без управления он удалит ссылочный узел
  // Обязательно настройте управление так, чтобы избежать этого.
  </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_delete_ext</span><span style="color: #007700">(
    </span><span style="color: #0000BB">$link</span><span style="color: #007700">,
    </span><span style="color: #DD0000">'cn=reference,dc=example,dc=com'</span><span style="color: #007700">,
    [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_MANAGEDSAIT</span><span style="color: #007700">, </span><span style="color: #DD0000">'iscritical' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">TRUE</span><span style="color: #007700">]]
  );

  </span><span style="color: #FF8000">// Затем используйте ldap_parse_result
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

  </div>

  <div class="example" id="example-5">
   <p><strong>Пример #5 Использование пагинации для поиска</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
  </span><span style="color: #FF8000">// $link - это LDAP-соединение

  </span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;

  do {
    </span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_search</span><span style="color: #007700">(
      </span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #DD0000">'dc=example,dc=base'</span><span style="color: #007700">, </span><span style="color: #DD0000">'(cn=*)'</span><span style="color: #007700">, [</span><span style="color: #DD0000">'cn'</span><span style="color: #007700">], </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">LDAP_DEREF_NEVER</span><span style="color: #007700">,
      [[</span><span style="color: #DD0000">'oid' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">, </span><span style="color: #DD0000">'value' </span><span style="color: #007700">=&gt; [</span><span style="color: #DD0000">'size' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">'cookie' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">$cookie</span><span style="color: #007700">]]]
    );
    </span><span style="color: #0000BB">ldap_parse_result</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">, </span><span style="color: #0000BB">$errcode </span><span style="color: #007700">, </span><span style="color: #0000BB">$matcheddn </span><span style="color: #007700">, </span><span style="color: #0000BB">$errmsg </span><span style="color: #007700">, </span><span style="color: #0000BB">$referrals</span><span style="color: #007700">, </span><span style="color: #0000BB">$controls</span><span style="color: #007700">);
    </span><span style="color: #FF8000">// Чтобы сохранить пример, короткие ошибки не проверяются
    </span><span style="color: #0000BB">$entries </span><span style="color: #007700">= </span><span style="color: #0000BB">ldap_get_entries</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$result</span><span style="color: #007700">);
    foreach (</span><span style="color: #0000BB">$entries </span><span style="color: #007700">as </span><span style="color: #0000BB">$entry</span><span style="color: #007700">) {
      echo </span><span style="color: #DD0000">"cn: "</span><span style="color: #007700">.</span><span style="color: #0000BB">$entry</span><span style="color: #007700">[</span><span style="color: #DD0000">'cn'</span><span style="color: #007700">][</span><span style="color: #0000BB">0</span><span style="color: #007700">].</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;
    }
    if (isset(</span><span style="color: #0000BB">$controls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">][</span><span style="color: #DD0000">'cookie'</span><span style="color: #007700">])) {
      </span><span style="color: #FF8000">// Вам необходимо передать cookie с последнего вызова на следующий
      </span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #0000BB">$controls</span><span style="color: #007700">[</span><span style="color: #0000BB">LDAP_CONTROL_PAGEDRESULTS</span><span style="color: #007700">][</span><span style="color: #DD0000">'value'</span><span style="color: #007700">][</span><span style="color: #DD0000">'cookie'</span><span style="color: #007700">];
    } else {
      </span><span style="color: #0000BB">$cookie </span><span style="color: #007700">= </span><span style="color: #DD0000">''</span><span style="color: #007700">;
    }
    </span><span style="color: #FF8000">// Пустой cookie означает последнюю страницу
  </span><span style="color: #007700">} while (</span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">$cookie</span><span style="color: #007700">) &gt; </span><span style="color: #0000BB">0</span><span style="color: #007700">);
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
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