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?>
<div id="ldap.constants" class="appendix">
 <h1 class="title">Costanti predefinite</h1>

 <p class="simpara">
Queste costanti sono definite da questa estensione e 
sono disponibili solo se l&#039;estensione è stata compilata
nel PHP o se è stata caricata dinamicamente a runtime.
</p>
 <dl>
  
   <dt id="constant.ldap-deref-never">
    <strong><code><a href="ldap.constants.php#constant.ldap-deref-never">LDAP_DEREF_NEVER</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias dereferencing rule - Never.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-deref-searching">
    <strong><code><a href="ldap.constants.php#constant.ldap-deref-searching">LDAP_DEREF_SEARCHING</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias dereferencing rule - Searching.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-deref-finding">
    <strong><code><a href="ldap.constants.php#constant.ldap-deref-finding">LDAP_DEREF_FINDING</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias dereferencing rule - Finding.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-deref-always">
    <strong><code><a href="ldap.constants.php#constant.ldap-deref-always">LDAP_DEREF_ALWAYS</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias dereferencing rule - Always.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-deref">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-deref">LDAP_OPT_DEREF</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies alternative rules for following aliases at the server.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-sizelimit">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-sizelimit">LDAP_OPT_SIZELIMIT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <p class="para">
     Specifies the maximum number of entries that can be
     returned on a search operation.
    </p>
    <blockquote class="note"><p><strong class="note">Nota</strong>: 
     <span class="simpara">
      The actual size limit for operations is also bounded
      by the server&#039;s configured maximum number of return entries.
      The lesser of these two settings is the actual size limit.
     </span>
    </p></blockquote>
   </dd>
  
  
   <dt id="constant.ldap-opt-timelimit">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-timelimit">LDAP_OPT_TIMELIMIT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the number of seconds to wait for search results.
    </span>
    <blockquote class="note"><p><strong class="note">Nota</strong>: 
     <span class="simpara">
      The actual time limit for operations is also bounded
      by the server&#039;s configured maximum time.
      The lesser of these two settings is the actual time limit.
     </span>
    </p></blockquote>
   </dd>
  
  
   <dt id="constant.ldap-opt-network-timeout">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-network-timeout">LDAP_OPT_NETWORK_TIMEOUT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Option for <span class="function"><a href="function.ldap-set-option.php" class="function">ldap_set_option()</a></span> to allow setting network timeout.
     (Available as of PHP 5.3.0)
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-protocol-version">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-protocol-version">LDAP_OPT_PROTOCOL_VERSION</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the LDAP protocol to be used (V2 or V3).
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-error-number">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-error-number">LDAP_OPT_ERROR_NUMBER</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Latest session error number.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-referrals">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-referrals">LDAP_OPT_REFERRALS</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies whether to automatically follow referrals returned
     by the LDAP server.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-restart">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-restart">LDAP_OPT_RESTART</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Determines whether or not the connection should be implicitly restarted.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-host-name">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-host-name">LDAP_OPT_HOST_NAME</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Sets/gets a space-separated of hosts when trying to connect.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-error-string">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-error-string">LDAP_OPT_ERROR_STRING</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias of <strong><code><a href="ldap.constants.php#constant.ldap-opt-diagnostic-message">LDAP_OPT_DIAGNOSTIC_MESSAGE</a></code></strong>.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-diagnostic-message">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-diagnostic-message">LDAP_OPT_DIAGNOSTIC_MESSAGE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Gets the latest session error message.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-matched-dn">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-matched-dn">LDAP_OPT_MATCHED_DN</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Sets/gets the matched DN associated with the connection.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-server-controls">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-server-controls">LDAP_OPT_SERVER_CONTROLS</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies a default list of server controls to be sent with each request.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-client-controls">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-client-controls">LDAP_OPT_CLIENT_CONTROLS</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies a default list of client controls to be processed with each request.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-debug-level">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-debug-level">LDAP_OPT_DEBUG_LEVEL</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies a bitwise level for debug traces.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-keepalive-idle">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-keepalive-idle">LDAP_OPT_X_KEEPALIVE_IDLE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the number of seconds a connection needs to remain idle before TCP starts sending keepalive probes.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-keepalive-probes">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-keepalive-probes">LDAP_OPT_X_KEEPALIVE_PROBES</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the maximum number of keepalive probes TCP should send before dropping the connection.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-keepalive-interval">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-keepalive-interval">LDAP_OPT_X_KEEPALIVE_INTERVAL</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the interval in seconds between individual keepalive probes.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-cacertdir">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-cacertdir">LDAP_OPT_X_TLS_CACERTDIR</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the path of the directory containing CA certificates.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-cacertfile">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-cacertfile">LDAP_OPT_X_TLS_CACERTFILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the full-path of the CA certificate file.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-certfile">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-certfile">LDAP_OPT_X_TLS_CERTFILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the full-path of the certificate file.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-cipher-suite">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-cipher-suite">LDAP_OPT_X_TLS_CIPHER_SUITE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the allowed cipher suite.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-crlcheck">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crlcheck">LDAP_OPT_X_TLS_CRLCHECK</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the CRL evaluation strategy. This must be one of: <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-none">LDAP_OPT_X_TLS_CRL_NONE</a></code></strong>,<strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-peer">LDAP_OPT_X_TLS_CRL_PEER</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-all">LDAP_OPT_X_TLS_CRL_ALL</a></code></strong>.
    </span>
    <blockquote class="note"><p><strong class="note">Nota</strong>: 
     <span class="simpara">
      This option is only valid for OpenSSL.
     </span>
    </p></blockquote>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-crlfile">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crlfile">LDAP_OPT_X_TLS_CRLFILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the full-path of the CRL file.
    </span>
    <blockquote class="note"><p><strong class="note">Nota</strong>: 
     <span class="simpara">
      This option is only valid for GnuTLS.
     </span>
    </p></blockquote>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-dhfile">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-dhfile">LDAP_OPT_X_TLS_DHFILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the full-path  of the file containing the parameters for Diffie-Hellman ephemeral key exchange.
    </span>
    <blockquote class="note"><p><strong class="note">Nota</strong>: 
     <span class="simpara">
      This option is ignored by GnuTLS and Mozilla NSS.
     </span>
    </p></blockquote>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-keyfile">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-keyfile">LDAP_OPT_X_TLS_KEYFILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the full-path of the certificate key file.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-protocol-min">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-min">LDAP_OPT_X_TLS_PROTOCOL_MIN</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the minimum protocol version. This can be one of: <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-ssl2">LDAP_OPT_X_TLS_PROTOCOL_SSL2</a></code></strong>,<strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-ssl3">LDAP_OPT_X_TLS_PROTOCOL_SSL3</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-0">LDAP_OPT_X_TLS_PROTOCOL_TLS1_0</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-1">LDAP_OPT_X_TLS_PROTOCOL_TLS1_1</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-2">LDAP_OPT_X_TLS_PROTOCOL_TLS1_2</a></code></strong>
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-random-file">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-random-file">LDAP_OPT_X_TLS_RANDOM_FILE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Sets/gets the random file when one of the system default ones are not available.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-require-cert">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-require-cert">LDAP_OPT_X_TLS_REQUIRE_CERT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies the certificate checking strategy. This must be one of: <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-never">LDAP_OPT_X_TLS_NEVER</a></code></strong>,<strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-hard">LDAP_OPT_X_TLS_HARD</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-demand">LDAP_OPT_X_TLS_DEMAND</a></code></strong>,
<strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-allow">LDAP_OPT_X_TLS_ALLOW</a></code></strong>, <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-try">LDAP_OPT_X_TLS_TRY</a></code></strong>.
     (Available as of PHP 7.0.0)
    </span>
   </dd>
  
  
   <dt id="constant.gslc-ssl-no-auth">
    <strong><code><a href="ldap.constants.php#constant.gslc-ssl-no-auth">GSLC_SSL_NO_AUTH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     SSL Authentication Mode - No authentication required. (Only for Oracle LDAP)
    </span>
   </dd>
  
  
   <dt id="constant.gslc-ssl-oneway-auth">
    <strong><code><a href="ldap.constants.php#constant.gslc-ssl-oneway-auth">GSLC_SSL_ONEWAY_AUTH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     SSL Authentication Mode - Only server authentication required. (Only for Oracle LDAP)
    </span>
   </dd>
  
  
   <dt id="constant.gslc-ssl-twoway-auth">
    <strong><code><a href="ldap.constants.php#constant.gslc-ssl-twoway-auth">GSLC_SSL_TWOWAY_AUTH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     SSL Authentication Mode - Both server and client authentication required. (Only for Oracle LDAP)
    </span>
   </dd>
  

  
   <dt id="constant.ldap-exop-start-tls">
    <strong><code><a href="ldap.constants.php#constant.ldap-exop-start-tls">LDAP_EXOP_START_TLS</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Extended Operation constant - Start TLS (<a href="https://datatracker.ietf.org/doc/html/rfc4511" class="link external">&raquo;&nbsp;RFC 4511</a>).
    </span>
   </dd>
  
  
   <dt id="constant.ldap-exop-modify-passwd">
    <strong><code><a href="ldap.constants.php#constant.ldap-exop-modify-passwd">LDAP_EXOP_MODIFY_PASSWD</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Extended Operation constant - Modify password (<a href="https://datatracker.ietf.org/doc/html/rfc3062" class="link external">&raquo;&nbsp;RFC 3062</a>).
    </span>
   </dd>
  
  
   <dt id="constant.ldap-exop-refresh">
    <strong><code><a href="ldap.constants.php#constant.ldap-exop-refresh">LDAP_EXOP_REFRESH</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Extended Operation Constant - Refresh (<a href="https://datatracker.ietf.org/doc/html/rfc2589" class="link external">&raquo;&nbsp;RFC 2589</a>).
    </span>
   </dd>
  
  
   <dt id="constant.ldap-exop-who-am-i">
    <strong><code><a href="ldap.constants.php#constant.ldap-exop-who-am-i">LDAP_EXOP_WHO_AM_I</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Extended Operation Constant - WHOAMI (<a href="https://datatracker.ietf.org/doc/html/rfc4532" class="link external">&raquo;&nbsp;RFC 4532</a>).
    </span>
   </dd>
  
  
   <dt id="constant.ldap-exop-turn">
    <strong><code><a href="ldap.constants.php#constant.ldap-exop-turn">LDAP_EXOP_TURN</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Extended Operation Constant - Turn (<a href="https://datatracker.ietf.org/doc/html/rfc4531" class="link external">&raquo;&nbsp;RFC 4531</a>).
    </span>
   </dd>
  

  
   <dt id="constant.ldap-control-managedsait">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-managedsait">LDAP_CONTROL_MANAGEDSAIT</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Manage DSA IT (<a href="https://datatracker.ietf.org/doc/html/rfc3296" class="link external">&raquo;&nbsp;RFC 3296</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-proxy-authz">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-proxy-authz">LDAP_CONTROL_PROXY_AUTHZ</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Proxied Authorization (<a href="https://datatracker.ietf.org/doc/html/rfc4730" class="link external">&raquo;&nbsp;RFC 4370</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-subentries">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-subentries">LDAP_CONTROL_SUBENTRIES</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Subentries (<a href="https://datatracker.ietf.org/doc/html/rfc3672" class="link external">&raquo;&nbsp;RFC 3672</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-valuesreturnfilter">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-valuesreturnfilter">LDAP_CONTROL_VALUESRETURNFILTER</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Filter returned values (<a href="https://datatracker.ietf.org/doc/html/rfc3876" class="link external">&raquo;&nbsp;RFC 3876</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-assert">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-assert">LDAP_CONTROL_ASSERT</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Assertion (<a href="https://datatracker.ietf.org/doc/html/rfc45282" class="link external">&raquo;&nbsp;RFC 4528</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-pre-read">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-pre-read">LDAP_CONTROL_PRE_READ</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Pre read (<a href="https://datatracker.ietf.org/doc/html/rfc4527" class="link external">&raquo;&nbsp;RFC 4527</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-post-read">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-post-read">LDAP_CONTROL_POST_READ</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Post read (<a href="https://datatracker.ietf.org/doc/html/rfc4527" class="link external">&raquo;&nbsp;RFC 4527</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-sortrequest">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-sortrequest">LDAP_CONTROL_SORTREQUEST</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Sort request (<a href="https://datatracker.ietf.org/doc/html/rfc2891" class="link external">&raquo;&nbsp;RFC 2891</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-sortresponse">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-sortresponse">LDAP_CONTROL_SORTRESPONSE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Sort response (<a href="https://datatracker.ietf.org/doc/html/rfc2891" class="link external">&raquo;&nbsp;RFC 2891</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-pagedresults">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-pagedresults">LDAP_CONTROL_PAGEDRESULTS</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Paged results (<a href="https://datatracker.ietf.org/doc/html/rfc2696" class="link external">&raquo;&nbsp;RFC 2696</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-authzid-request">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-authzid-request">LDAP_CONTROL_AUTHZID_REQUEST</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Authorization Identity Request (<a href="https://datatracker.ietf.org/doc/html/rfc3829" class="link external">&raquo;&nbsp;RFC 3829</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-authzid-response">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-authzid-response">LDAP_CONTROL_AUTHZID_RESPONSE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Authorization Identity Response (<a href="https://datatracker.ietf.org/doc/html/rfc3829" class="link external">&raquo;&nbsp;RFC 3829</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-sync">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-sync">LDAP_CONTROL_SYNC</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Content Synchronization Operation (<a href="https://datatracker.ietf.org/doc/html/rfc4533" class="link external">&raquo;&nbsp;RFC 4533</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-sync-state">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-sync-state">LDAP_CONTROL_SYNC_STATE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Content Synchronization Operation State (<a href="https://datatracker.ietf.org/doc/html/rfc4533" class="link external">&raquo;&nbsp;RFC 4533</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-sync-done">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-sync-done">LDAP_CONTROL_SYNC_DONE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Content Synchronization Operation Done (<a href="https://datatracker.ietf.org/doc/html/rfc4533" class="link external">&raquo;&nbsp;RFC 4533</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-dontusecopy">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-dontusecopy">LDAP_CONTROL_DONTUSECOPY</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Don&#039;t Use Copy (<a href="https://datatracker.ietf.org/doc/html/rfc6171" class="link external">&raquo;&nbsp;RFC 6171</a>).
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-passwordpolicyrequest">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-passwordpolicyrequest">LDAP_CONTROL_PASSWORDPOLICYREQUEST</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Password Policy Request.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-passwordpolicyresponse">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-passwordpolicyresponse">LDAP_CONTROL_PASSWORDPOLICYRESPONSE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Password Policy Response.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-incremental-values">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-incremental-values">LDAP_CONTROL_X_INCREMENTAL_VALUES</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Incremental Values.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-domain-scope">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-domain-scope">LDAP_CONTROL_X_DOMAIN_SCOPE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Domain Scope.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-permissive-modify">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-permissive-modify">LDAP_CONTROL_X_PERMISSIVE_MODIFY</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Permissive Modify.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-search-options">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-search-options">LDAP_CONTROL_X_SEARCH_OPTIONS</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Search Options.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-tree-delete">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-tree-delete">LDAP_CONTROL_X_TREE_DELETE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Tree Delete.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-x-extended-dn">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-x-extended-dn">LDAP_CONTROL_X_EXTENDED_DN</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Active Directory Extended DN.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-vlvrequest">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-vlvrequest">LDAP_CONTROL_VLVREQUEST</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Virtual List View Request.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-control-vlvresponse">
    <strong><code><a href="ldap.constants.php#constant.ldap-control-vlvresponse">LDAP_CONTROL_VLVRESPONSE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Control Constant - Virtual List View Response.
     Available as of PHP 7.3.0.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-escape-dn">
    <strong><code><a href="ldap.constants.php#constant.ldap-escape-dn">LDAP_ESCAPE_DN</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Escape a string for use in an LDAP DN.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-escape-filter">
    <strong><code><a href="ldap.constants.php#constant.ldap-escape-filter">LDAP_ESCAPE_FILTER</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Escape a string for use in an LDAP filter.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-modify-batch-attrib">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-attrib">LDAP_MODIFY_BATCH_ATTRIB</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The key of the modifications array containing the attributes:
     <code class="literal">attrib</code>.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-modify-batch-modtype">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-modtype">LDAP_MODIFY_BATCH_MODTYPE</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The key of the modifications array containing the type of modification:
     <code class="literal">modtype</code>.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-modify-batch-values">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-values">LDAP_MODIFY_BATCH_VALUES</a></code></strong>
    (<span class="type"><a href="language.types.string.php" class="type string">string</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The key of the modifications array containing the values:
     <code class="literal">values</code>.
    </span>
   </dd>
  

   
   <dt id="constant.ldap-modify-batch-add">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-add">LDAP_MODIFY_BATCH_ADD</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Add values to an attribute of an LDAP entry.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-modify-batch-remove">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-remove">LDAP_MODIFY_BATCH_REMOVE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Remove values from an attribute of an LDAP entry.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-modify-batch-remove-all">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-remove-all">LDAP_MODIFY_BATCH_REMOVE_ALL</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Remove all values from an attribute of an LDAP entry.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-modify-batch-replace">
    <strong><code><a href="ldap.constants.php#constant.ldap-modify-batch-replace">LDAP_MODIFY_BATCH_REPLACE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Replace all current values of an LDAP entry attribute with the specified values.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-timeout">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-timeout">LDAP_OPT_TIMEOUT</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Specifies a timeout (in seconds) after which calls to synchronous LDAP APIs
     will abort if no response is received.
     Also controls the timeout when communicating with the KDC in case of SASL bind.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-x-sasl-authcid">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-authcid">LDAP_OPT_X_SASL_AUTHCID</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the SASL authentication identity.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-sasl-authzid">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-authzid">LDAP_OPT_X_SASL_AUTHZID</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the SASL authorization identity.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-sasl-mech">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-mech">LDAP_OPT_X_SASL_MECH</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the SASL mechanism.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-sasl-nocanon">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-nocanon">LDAP_OPT_X_SASL_NOCANON</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Set/get the <code class="literal">NOCANON</code> flag.
     When unset, the hostname is canonicalized.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-sasl-realm">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-realm">LDAP_OPT_X_SASL_REALM</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the SASL realm.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-sasl-username">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-sasl-username">LDAP_OPT_X_SASL_USERNAME</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the SASL username.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-x-tls-allow">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-allow">LDAP_OPT_X_TLS_ALLOW</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The peer certificate is requested.
     If no certificate is provided, the session proceeds normally.
     If a bad certificate is provided,
     it will be ignored and the session proceeds normally.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-demand">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-demand">LDAP_OPT_X_TLS_DEMAND</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The peer certificate is requested.
     If no certificate is provided, or a bad certificate is provided,
     the session is immediately terminated.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-hard">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-hard">LDAP_OPT_X_TLS_HARD</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Alias di <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-demand">LDAP_OPT_X_TLS_DEMAND</a></code></strong>.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-never">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-never">LDAP_OPT_X_TLS_NEVER</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The peer certificate is not requested or checked.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-try">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-try">LDAP_OPT_X_TLS_TRY</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The peer certificate is requested.
     If no certificate is provided, the session proceeds normally.
     If a bad certificate is provided, the session is immediately terminated.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-x-tls-crl-all">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-all">LDAP_OPT_X_TLS_CRL_ALL</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Check the CRL for a whole certificate chain.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-crl-none">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-none">LDAP_OPT_X_TLS_CRL_NONE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     No CRL checks are performed.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-crl-peer">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-crl-peer">LDAP_OPT_X_TLS_CRL_PEER</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Check the CRL of the peer certificate.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-x-tls-package">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-package">LDAP_OPT_X_TLS_PACKAGE</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     Return the name of the underlying TLS implementation.
    </span>
   </dd>
  

  
   <dt id="constant.ldap-opt-x-tls-protocol-ssl2">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-ssl2">LDAP_OPT_X_TLS_PROTOCOL_SSL2</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The SSL 2.0 protocol.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-protocol-ssl3">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-ssl3">LDAP_OPT_X_TLS_PROTOCOL_SSL3</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The SSL 3 protocol.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-protocol-tls1-0">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-0">LDAP_OPT_X_TLS_PROTOCOL_TLS1_0</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The TLS 1.0 protocol.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-protocol-tls1-1">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-1">LDAP_OPT_X_TLS_PROTOCOL_TLS1_1</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The TLS 1.1 protocol.
    </span>
   </dd>
  
  
   <dt id="constant.ldap-opt-x-tls-protocol-tls1-2">
    <strong><code><a href="ldap.constants.php#constant.ldap-opt-x-tls-protocol-tls1-2">LDAP_OPT_X_TLS_PROTOCOL_TLS1_2</a></code></strong>
    (<span class="type"><a href="language.types.integer.php" class="type int">int</a></span>)
   </dt>
   <dd>
    <span class="simpara">
     The TLS 1.2 protocol.
    </span>
   </dd>
  

 </dl>
</div>
<?php manual_footer($setup); ?>