minor symfony#11023 Mentioned the LDAP query scopes (javiereguiluz)

This PR was merged into the 3.4 branch.

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Mentioned the LDAP query scopes

This fixes symfony#7284.

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4d8040d Mentioned the LDAP query scopes

Author: javiereguiluz

components/ldap.rst

@@ -103,6 +103,16 @@ array, you may use the
 
     // Do something with the results array
 
+By default, LDAP queries use the ``Symfony\Component\Ldap\Adapter::SCOPE_SUB``
+scope, which corresponds to the ``LDAP_SCOPE_SUBTREE`` scope of the
+:phpfunction:`ldap_search` function. You can also use ``SCOPE_BASE`` (related
+to the ``LDAP_SCOPE_BASE`` scope of :phpfunction:`ldap_read`) and ``SCOPE_ONE``
+(related to the ``LDAP_SCOPE_ONELEVEL`` scope of :phpfunction:`ldap_list`)::
+
+    use Symfony\Component\Ldap\Adapter;
+
+    $query = $ldap->query('dc=symfony,dc=com', '...', ['scope' => Adapter::SCOPE_ONE]);
+
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