archived-doc-en/reference/curl/constants.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<appendix xml:id="curl.constants" xmlns="http://docbook.org/ns/docbook">
 &reftitle.constants;
 &extension.constants;
 <para>
  Descriptions and uses for these constants are described within the
  <function>curl_setopt</function>, <function>curl_multi_setopt</function> and
  <function>curl_getinfo</function> documentation.
 </para>
 <variablelist role="constant_list">
  <varlistentry xml:id="constant.curlaltsvc-h1">
   <term>
    <constant>CURLALTSVC_H1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.64.1.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlaltsvc-h2">
   <term>
    <constant>CURLALTSVC_H2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.64.1.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlaltsvc-h3">
   <term>
    <constant>CURLALTSVC_H3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.64.1.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlaltsvc-readonlyfile">
   <term>
    <constant>CURLALTSVC_READONLYFILE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.64.1.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-any">
   <term>
    <constant>CURLAUTH_ANY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-anysafe">
   <term>
    <constant>CURLAUTH_ANYSAFE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-aws-sigv4">
   <term>
    <constant>CURLAUTH_AWS_SIGV4</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.75.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-basic">
   <term>
    <constant>CURLAUTH_BASIC</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-bearer">
   <term>
    <constant>CURLAUTH_BEARER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.61.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-digest">
   <term>
    <constant>CURLAUTH_DIGEST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-digest-ie">
   <term>
    <constant>CURLAUTH_DIGEST_IE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Use HTTP Digest authentication with an IE flavor.
     Available as of cURL 7.19.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-gssapi">
   <term>
    <constant>CURLAUTH_GSSAPI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.1
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-gssnegotiate">
   <term>
    <constant>CURLAUTH_GSSNEGOTIATE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-negotiate">
   <term>
    <constant>CURLAUTH_NEGOTIATE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.38.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-none">
   <term>
    <constant>CURLAUTH_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.10.6.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-ntlm">
   <term>
    <constant>CURLAUTH_NTLM</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-ntlm-wb">
   <term>
    <constant>CURLAUTH_NTLM_WB</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.22.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlauth-only">
   <term>
    <constant>CURLAUTH_ONLY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     This is a meta symbol. OR this value together
     with a single specific auth value
     to force libcurl to probe for unrestricted auth and if not,
     only that single auth algorithm is acceptable.
     Available as of cURL 7.21.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpauth-default">
   <term>
    <constant>CURLFTPAUTH_DEFAULT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpauth-ssl">
   <term>
    <constant>CURLFTPAUTH_SSL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpauth-tls">
   <term>
    <constant>CURLFTPAUTH_TLS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpmethod-default">
   <term>
    <constant>CURLFTPMETHOD_DEFAULT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.15.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpmethod-multicwd">
   <term>
    <constant>CURLFTPMETHOD_MULTICWD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Do a single <literal xmlns="http://docbook.org/ns/docbook">CWD</literal> operation
     for each path part in the given URL.
     Available as of cURL 7.15.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpmethod-nocwd">
   <term>
    <constant>CURLFTPMETHOD_NOCWD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     libcurl makes no <literal xmlns="http://docbook.org/ns/docbook">CWD</literal> at all.
     libcurl does <literal xmlns="http://docbook.org/ns/docbook">SIZE</literal>, <literal xmlns="http://docbook.org/ns/docbook">RETR</literal>,
     <literal xmlns="http://docbook.org/ns/docbook">STOR</literal> etc.
     and gives a full path to the server for all these commands.
     Available as of cURL 7.15.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpmethod-singlecwd">
   <term>
    <constant>CURLFTPMETHOD_SINGLECWD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     libcurl does one <literal xmlns="http://docbook.org/ns/docbook">CWD</literal> with the full target directory
     and then operates on the file like in the multicwd case.
     Available as of cURL 7.15.3.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-all">
   <term>
    <constant>CURLFTPSSL_ALL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-ccc-active">
   <term>
    <constant>CURLFTPSSL_CCC_ACTIVE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Initiate the shutdown and wait for a reply.
     Available as of cURL 7.16.2.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-ccc-none">
   <term>
    <constant>CURLFTPSSL_CCC_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Do not attempt to use CCC (Clear Command Channel).
     Available as of cURL 7.16.2.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-ccc-passive">
   <term>
    <constant>CURLFTPSSL_CCC_PASSIVE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Do not initiate the shutdown, but wait for the server to do it.
     Do not send a reply.
     Available as of cURL 7.16.1.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-control">
   <term>
    <constant>CURLFTPSSL_CONTROL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-none">
   <term>
    <constant>CURLFTPSSL_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftpssl-try">
   <term>
    <constant>CURLFTPSSL_TRY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftp-create-dir">
   <term>
    <constant>CURLFTP_CREATE_DIR</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.19.3
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftp-create-dir-none">
   <term>
    <constant>CURLFTP_CREATE_DIR_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.19.3
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlftp-create-dir-retry">
   <term>
    <constant>CURLFTP_CREATE_DIR_RETRY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.19.3
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlgssapi-delegation-flag">
   <term>
    <constant>CURLGSSAPI_DELEGATION_FLAG</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Allow unconditional GSSAPI credential delegation.
     Available as of cURL 7.22.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlgssapi-delegation-policy-flag">
   <term>
    <constant>CURLGSSAPI_DELEGATION_POLICY_FLAG</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Delegate only if the <literal xmlns="http://docbook.org/ns/docbook">OK-AS-DELEGATE</literal> flag is set
     in the service ticket if this feature is supported by the GSS-API implementation
     and the definition of <literal xmlns="http://docbook.org/ns/docbook">GSS_C_DELEG_POLICY_FLAG</literal>
     was available at compile-time.
     Available as of cURL 7.22.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlheader-separate">
   <term>
    <constant>CURLHEADER_SEPARATE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.37.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlheader-unified">
   <term>
    <constant>CURLHEADER_UNIFIED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.37.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlhsts-enable">
   <term>
    <constant>CURLHSTS_ENABLE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.74.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlhsts-readonlyfile">
   <term>
    <constant>CURLHSTS_READONLYFILE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.74.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlkhmatch-last">
   <term>
    <constant>CURLKHMATCH_LAST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.19.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlkhmatch-mismatch">
   <term>
    <constant>CURLKHMATCH_MISMATCH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.19.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlkhmatch-missing">
   <term>
    <constant>CURLKHMATCH_MISSING</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.19.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlkhmatch-ok">
   <term>
    <constant>CURLKHMATCH_OK</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.19.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlmimeopt-formescape">
   <term>
    <constant>CURLMIMEOPT_FORMESCAPE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.81.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlmsg-done">
   <term>
    <constant>CURLMSG_DONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpipe-http1">
   <term>
    <constant>CURLPIPE_HTTP1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.43.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpipe-multiplex">
   <term>
    <constant>CURLPIPE_MULTIPLEX</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.43.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpipe-nothing">
   <term>
    <constant>CURLPIPE_NOTHING</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.43.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-http">
   <term>
    <constant>CURLPROXY_HTTP</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.10.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-https">
   <term>
    <constant>CURLPROXY_HTTPS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.52.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-http-1-0">
   <term>
    <constant>CURLPROXY_HTTP_1_0</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.19.3
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-socks4">
   <term>
    <constant>CURLPROXY_SOCKS4</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.10.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-socks4a">
   <term>
    <constant>CURLPROXY_SOCKS4A</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.18.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-socks5">
   <term>
    <constant>CURLPROXY_SOCKS5</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.10.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlproxy-socks5-hostname">
   <term>
    <constant>CURLPROXY_SOCKS5_HOSTNAME</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.18.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-bad-address-type">
   <term>
    <constant>CURLPX_BAD_ADDRESS_TYPE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-bad-version">
   <term>
    <constant>CURLPX_BAD_VERSION</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-closed">
   <term>
    <constant>CURLPX_CLOSED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-gssapi">
   <term>
    <constant>CURLPX_GSSAPI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-gssapi-permsg">
   <term>
    <constant>CURLPX_GSSAPI_PERMSG</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-gssapi-protection">
   <term>
    <constant>CURLPX_GSSAPI_PROTECTION</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-identd">
   <term>
    <constant>CURLPX_IDENTD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-identd-differ">
   <term>
    <constant>CURLPX_IDENTD_DIFFER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-long-hostname">
   <term>
    <constant>CURLPX_LONG_HOSTNAME</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-long-passwd">
   <term>
    <constant>CURLPX_LONG_PASSWD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-long-user">
   <term>
    <constant>CURLPX_LONG_USER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-no-auth">
   <term>
    <constant>CURLPX_NO_AUTH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-ok">
   <term>
    <constant>CURLPX_OK</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-recv-address">
   <term>
    <constant>CURLPX_RECV_ADDRESS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-recv-auth">
   <term>
    <constant>CURLPX_RECV_AUTH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-recv-connect">
   <term>
    <constant>CURLPX_RECV_CONNECT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-recv-reqack">
   <term>
    <constant>CURLPX_RECV_REQACK</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-address-type-not-supported">
   <term>
    <constant>CURLPX_REPLY_ADDRESS_TYPE_NOT_SUPPORTED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-command-not-supported">
   <term>
    <constant>CURLPX_REPLY_COMMAND_NOT_SUPPORTED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-connection-refused">
   <term>
    <constant>CURLPX_REPLY_CONNECTION_REFUSED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-general-server-failure">
   <term>
    <constant>CURLPX_REPLY_GENERAL_SERVER_FAILURE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-host-unreachable">
   <term>
    <constant>CURLPX_REPLY_HOST_UNREACHABLE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-network-unreachable">
   <term>
    <constant>CURLPX_REPLY_NETWORK_UNREACHABLE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-not-allowed">
   <term>
    <constant>CURLPX_REPLY_NOT_ALLOWED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-ttl-expired">
   <term>
    <constant>CURLPX_REPLY_TTL_EXPIRED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-reply-unassigned">
   <term>
    <constant>CURLPX_REPLY_UNASSIGNED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-request-failed">
   <term>
    <constant>CURLPX_REQUEST_FAILED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-resolve-host">
   <term>
    <constant>CURLPX_RESOLVE_HOST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-send-auth">
   <term>
    <constant>CURLPX_SEND_AUTH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-send-connect">
   <term>
    <constant>CURLPX_SEND_CONNECT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-send-request">
   <term>
    <constant>CURLPX_SEND_REQUEST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-unknown-fail">
   <term>
    <constant>CURLPX_UNKNOWN_FAIL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-unknown-mode">
   <term>
    <constant>CURLPX_UNKNOWN_MODE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlpx-user-rejected">
   <term>
    <constant>CURLPX_USER_REJECTED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.73.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-agent">
   <term>
    <constant>CURLSSH_AUTH_AGENT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.28.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-any">
   <term>
    <constant>CURLSSH_AUTH_ANY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-default">
   <term>
    <constant>CURLSSH_AUTH_DEFAULT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-gssapi">
   <term>
    <constant>CURLSSH_AUTH_GSSAPI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.58.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-host">
   <term>
    <constant>CURLSSH_AUTH_HOST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-keyboard">
   <term>
    <constant>CURLSSH_AUTH_KEYBOARD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-none">
   <term>
    <constant>CURLSSH_AUTH_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-password">
   <term>
    <constant>CURLSSH_AUTH_PASSWORD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlssh-auth-publickey">
   <term>
    <constant>CURLSSH_AUTH_PUBLICKEY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-allow-beast">
   <term>
    <constant>CURLSSLOPT_ALLOW_BEAST</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.25.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-auto-client-cert">
   <term>
    <constant>CURLSSLOPT_AUTO_CLIENT_CERT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.77.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-native-ca">
   <term>
    <constant>CURLSSLOPT_NATIVE_CA</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.71.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-no-partialchain">
   <term>
    <constant>CURLSSLOPT_NO_PARTIALCHAIN</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.68.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-no-revoke">
   <term>
    <constant>CURLSSLOPT_NO_REVOKE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.44.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlsslopt-revoke-best-effort">
   <term>
    <constant>CURLSSLOPT_REVOKE_BEST_EFFORT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.70.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlusessl-all">
   <term>
    <constant>CURLUSESSL_ALL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Require SSL for all communication
     or fail with <constant xmlns="http://docbook.org/ns/docbook">CURLE_USE_SSL_FAILED</constant>.
     Available as of cURL 7.17.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlusessl-control">
   <term>
    <constant>CURLUSESSL_CONTROL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Require SSL for the control connection
     or fail with <constant xmlns="http://docbook.org/ns/docbook">CURLE_USE_SSL_FAILED</constant>.
     Available as of cURL 7.17.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlusessl-none">
   <term>
    <constant>CURLUSESSL_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Do not attempt to use SSL.
     Available as of cURL 7.17.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlusessl-try">
   <term>
    <constant>CURLUSESSL_TRY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Try using SSL, proceed as normal otherwise.
     Note that server may close the connection if the negotiation does not succeed.
     Available as of cURL 7.17.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlversion-now">
   <term>
    <constant>CURLVERSION_NOW</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curlws-raw-mode">
   <term>
    <constant>CURLWS_RAW_MODE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.3.0 and cURL 7.86.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-fnmatchfunc-fail">
   <term>
    <constant>CURL_FNMATCHFUNC_FAIL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Returned by the wildcard match callback function if an error occurred.
     Available as of cURL 7.21.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-fnmatchfunc-match">
   <term>
    <constant>CURL_FNMATCHFUNC_MATCH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Returned by the wildcard match callback function
     if pattern matches the string.
     Available as of cURL 7.21.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-fnmatchfunc-nomatch">
   <term>
    <constant>CURL_FNMATCHFUNC_NOMATCH</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Returned by the wildcard match callback function
     if pattern does not match the string.
     Available as of cURL 7.21.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-1-0">
   <term>
    <constant>CURL_HTTP_VERSION_1_0</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-1-1">
   <term>
    <constant>CURL_HTTP_VERSION_1_1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-2">
   <term>
    <constant>CURL_HTTP_VERSION_2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.43.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-2tls">
   <term>
    <constant>CURL_HTTP_VERSION_2TLS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.47.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-2-0">
   <term>
    <constant>CURL_HTTP_VERSION_2_0</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.33.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-2-prior-knowledge">
   <term>
    <constant>CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.49.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-3">
   <term>
    <constant>CURL_HTTP_VERSION_3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.4.0 and cURL 7.66.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-3only">
   <term>
    <constant>CURL_HTTP_VERSION_3ONLY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.4.0 and cURL 7.88.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-http-version-none">
   <term>
    <constant>CURL_HTTP_VERSION_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-ipresolve-v4">
   <term>
    <constant>CURL_IPRESOLVE_V4</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Use only IPv4 addresses when establishing a connection
     or choosing one from the connection pool.
     Available as of cURL 7.10.8.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-ipresolve-v6">
   <term>
    <constant>CURL_IPRESOLVE_V6</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Use only IPv6 addresses when establishing a connection
     or choosing one from the connection pool.
     Available as of cURL 7.10.8.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-ipresolve-whatever">
   <term>
    <constant>CURL_IPRESOLVE_WHATEVER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Use addresses of all IP versions allowed by the system.
     Available as of cURL 7.10.8.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-max-read-size">
   <term>
    <constant>CURL_MAX_READ_SIZE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.53.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-netrc-ignored">
   <term>
    <constant>CURL_NETRC_IGNORED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-netrc-optional">
   <term>
    <constant>CURL_NETRC_OPTIONAL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-netrc-required">
   <term>
    <constant>CURL_NETRC_REQUIRED</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-push-deny">
   <term>
    <constant>CURL_PUSH_DENY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.1.0 and cURL 7.44.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-push-ok">
   <term>
    <constant>CURL_PUSH_OK</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.1.0 and cURL 7.44.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-readfunc-pause">
   <term>
    <constant>CURL_READFUNC_PAUSE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.18.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-redir-post-301">
   <term>
    <constant>CURL_REDIR_POST_301</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.18.2
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-redir-post-302">
   <term>
    <constant>CURL_REDIR_POST_302</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.18.2
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-redir-post-303">
   <term>
    <constant>CURL_REDIR_POST_303</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.25.1
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-redir-post-all">
   <term>
    <constant>CURL_REDIR_POST_ALL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.0.7 and cURL 7.18.2
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-announce">
   <term>
    <constant>CURL_RTSPREQ_ANNOUNCE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     When sent by a client, this method changes the description of the session.
     <literal xmlns="http://docbook.org/ns/docbook">ANNOUNCE</literal> acts like an HTTP PUT or POST
     just like <constant xmlns="http://docbook.org/ns/docbook">CURL_RTSPREQ_SET_PARAMETER</constant>.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-describe">
   <term>
    <constant>CURL_RTSPREQ_DESCRIBE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Used to get the low level description of a stream.
     The application should note what formats it understands
     in the <literal xmlns="http://docbook.org/ns/docbook">Accept:</literal> header. Unless set manually,
     libcurl automatically adds in <literal xmlns="http://docbook.org/ns/docbook">Accept: application/sdp</literal>.
     Time-condition headers are added to DESCRIBE requests
     if the <constant xmlns="http://docbook.org/ns/docbook">CURLOPT_TIMECONDITION</constant> option is used.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-get-parameter">
   <term>
    <constant>CURL_RTSPREQ_GET_PARAMETER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Retrieve a parameter from the server.
     By default, libcurl adds a <literal xmlns="http://docbook.org/ns/docbook">Content-Type: text/parameters</literal>
     header on all non-empty requests unless a custom one is set.
     <literal xmlns="http://docbook.org/ns/docbook">GET_PARAMETER</literal> acts just like an HTTP PUT or POST.
     Applications wishing to send a heartbeat message
     should use an empty <literal xmlns="http://docbook.org/ns/docbook">GET_PARAMETER</literal> request.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-options">
   <term>
    <constant>CURL_RTSPREQ_OPTIONS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Used to retrieve the available methods of the server.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-pause">
   <term>
    <constant>CURL_RTSPREQ_PAUSE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Send a <literal xmlns="http://docbook.org/ns/docbook">PAUSE</literal> command to the server.
     Use the <constant xmlns="http://docbook.org/ns/docbook">CURLOPT_RANGE</constant> option with a single value
     to indicate when the stream should be halted (e.g. npt=25).
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-play">
   <term>
    <constant>CURL_RTSPREQ_PLAY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Send a <literal xmlns="http://docbook.org/ns/docbook">PLAY</literal> command to the server.
     Use the <constant xmlns="http://docbook.org/ns/docbook">CURLOPT_RANGE</constant> option
     to modify the playback time (e.g. npt=10-15).
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-receive">
   <term>
    <constant>CURL_RTSPREQ_RECEIVE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Set the RTSP request type to this value to receive interleaved RTP data.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-record">
   <term>
    <constant>CURL_RTSPREQ_RECORD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Used to tell the server to record a session.
     Use the <constant xmlns="http://docbook.org/ns/docbook">CURLOPT_RANGE</constant> option to modify the record time.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-setup">
   <term>
    <constant>CURL_RTSPREQ_SETUP</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Used to initialize the transport layer for the session.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-set-parameter">
   <term>
    <constant>CURL_RTSPREQ_SET_PARAMETER</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Set a parameter on the server.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-rtspreq-teardown">
   <term>
    <constant>CURL_RTSPREQ_TEARDOWN</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Terminates an RTSP session.
     Simply closing a connection does not terminate the RTSP session
     since it is valid to control an RTSP session over different connections.
     Available as of cURL 7.20.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-default">
   <term>
    <constant>CURL_SSLVERSION_DEFAULT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-default">
   <term>
    <constant>CURL_SSLVERSION_MAX_DEFAULT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-none">
   <term>
    <constant>CURL_SSLVERSION_MAX_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-tlsv1-0">
   <term>
    <constant>CURL_SSLVERSION_MAX_TLSv1_0</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-tlsv1-1">
   <term>
    <constant>CURL_SSLVERSION_MAX_TLSv1_1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-tlsv1-2">
   <term>
    <constant>CURL_SSLVERSION_MAX_TLSv1_2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-max-tlsv1-3">
   <term>
    <constant>CURL_SSLVERSION_MAX_TLSv1_3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.54.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-sslv2">
   <term>
    <constant>CURL_SSLVERSION_SSLv2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-sslv3">
   <term>
    <constant>CURL_SSLVERSION_SSLv3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-tlsv1">
   <term>
    <constant>CURL_SSLVERSION_TLSv1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-tlsv1-0">
   <term>
    <constant>CURL_SSLVERSION_TLSv1_0</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-tlsv1-1">
   <term>
    <constant>CURL_SSLVERSION_TLSv1_1</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-tlsv1-2">
   <term>
    <constant>CURL_SSLVERSION_TLSv1_2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-sslversion-tlsv1-3">
   <term>
    <constant>CURL_SSLVERSION_TLSv1_3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.52.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-timecond-ifmodsince">
   <term>
    <constant>CURL_TIMECOND_IFMODSINCE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-timecond-ifunmodsince">
   <term>
    <constant>CURL_TIMECOND_IFUNMODSINCE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-timecond-lastmod">
   <term>
    <constant>CURL_TIMECOND_LASTMOD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-timecond-none">
   <term>
    <constant>CURL_TIMECOND_NONE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>

    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-tlsauth-srp">
   <term>
    <constant>CURL_TLSAUTH_SRP</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.21.4.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-altsvc">
   <term>
    <constant>CURL_VERSION_ALTSVC</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.6 and cURL 7.64.1
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-asynchdns">
   <term>
    <constant>CURL_VERSION_ASYNCHDNS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Asynchronous DNS resolves.
     Available as of PHP 7.3.0 and cURL 7.10.7
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-brotli">
   <term>
    <constant>CURL_VERSION_BROTLI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.57.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-conv">
   <term>
    <constant>CURL_VERSION_CONV</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Character conversions supported.
     Available as of PHP 7.3.0 and cURL 7.15.4
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-curldebug">
   <term>
    <constant>CURL_VERSION_CURLDEBUG</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Debug memory tracking supported.
     Available as of PHP 7.3.6 and cURL 7.19.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-debug">
   <term>
    <constant>CURL_VERSION_DEBUG</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Built with debug capabilities.
     Available as of PHP 7.3.0 and cURL 7.10.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-gsasl">
   <term>
    <constant>CURL_VERSION_GSASL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.76.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-gssapi">
   <term>
    <constant>CURL_VERSION_GSSAPI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Built against a GSS-API library.
     Available as of PHP 7.3.0 and cURL 7.38.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-gssnegotiate">
   <term>
    <constant>CURL_VERSION_GSSNEGOTIATE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Negotiate auth is supported.
     Available as of PHP 7.3.0 and cURL 7.10.6 (deprecated as of cURL 7.38.0)
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-hsts">
   <term>
    <constant>CURL_VERSION_HSTS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.74.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-http2">
   <term>
    <constant>CURL_VERSION_HTTP2</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     HTTP2 support built-in.
     Available as of cURL 7.33.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-http3">
   <term>
    <constant>CURL_VERSION_HTTP3</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.66.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-https-proxy">
   <term>
    <constant>CURL_VERSION_HTTPS_PROXY</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.52.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-idn">
   <term>
    <constant>CURL_VERSION_IDN</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Internationalized Domain Names are supported.
     Available as of PHP 7.3.0 and cURL 7.12.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-ipv6">
   <term>
    <constant>CURL_VERSION_IPV6</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     IPv6-enabled.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-kerberos4">
   <term>
    <constant>CURL_VERSION_KERBEROS4</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Kerberos V4 auth is supported.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-kerberos5">
   <term>
    <constant>CURL_VERSION_KERBEROS5</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Kerberos V5 auth is supported.
     Available as of PHP 7.0.7 and cURL 7.40.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-largefile">
   <term>
    <constant>CURL_VERSION_LARGEFILE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Supports files larger than 2GB.
     Available as of cURL 7.33.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-libz">
   <term>
    <constant>CURL_VERSION_LIBZ</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     libz features are present.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-multi-ssl">
   <term>
    <constant>CURL_VERSION_MULTI_SSL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 7.3.0 and cURL 7.56.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-ntlm">
   <term>
    <constant>CURL_VERSION_NTLM</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     NTLM auth is supported.
     Available as of PHP 7.3.0 and cURL 7.10.6
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-ntlm-wb">
   <term>
    <constant>CURL_VERSION_NTLM_WB</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     NTLM delegation to winbind helper is supported.
     Available as of PHP 7.3.0 and cURL 7.22.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-psl">
   <term>
    <constant>CURL_VERSION_PSL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Mozilla's Public Suffix List, used for cookie domain verification.
     Available as of PHP 7.3.6 and cURL 7.47.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-spnego">
   <term>
    <constant>CURL_VERSION_SPNEGO</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     SPNEGO auth is supported.
     Available as of PHP 7.3.0 and cURL 7.10.8
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-ssl">
   <term>
    <constant>CURL_VERSION_SSL</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     SSL options are present.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-sspi">
   <term>
    <constant>CURL_VERSION_SSPI</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Built against Windows SSPI.
     Available as of PHP 7.3.0 and cURL 7.13.2
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-tlsauth-srp">
   <term>
    <constant>CURL_VERSION_TLSAUTH_SRP</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     TLS-SRP auth is supported.
     Available as of PHP 7.3.0 and cURL 7.21.4
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-unicode">
   <term>
    <constant>CURL_VERSION_UNICODE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.72.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-unix-sockets">
   <term>
    <constant>CURL_VERSION_UNIX_SOCKETS</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Unix domain sockets support.
     Available as of PHP 7.0.7 and cURL 7.40.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-version-zstd">
   <term>
    <constant>CURL_VERSION_ZSTD</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.2.0 and cURL 7.72.0
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-writefunc-pause">
   <term>
    <constant>CURL_WRITEFUNC_PAUSE</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of cURL 7.18.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-prereqfunc-ok">
   <term>
    <constant>CURL_PREREQFUNC_OK</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.4.0 and cURL 7.80.0.
    </simpara>
   </listitem>
  </varlistentry>
  <varlistentry xml:id="constant.curl-prereqfunc-abort">
   <term>
    <constant>CURL_PREREQFUNC_ABORT</constant>
    (<type>int</type>)
   </term>
   <listitem>
    <simpara>
     Available as of PHP 8.4.0 and cURL 7.80.0.
    </simpara>
   </listitem>
  </varlistentry>
 </variablelist>
 &reference.curl.constants-curl-setopt;
 &reference.curl.constants-curl-share-setopt;
 &reference.curl.constants-curl-getinfo;
 &reference.curl.constants-curl-multi-setopt;
 &reference.curl.constants-curlproto;
 &reference.curl.constants-curl-error;
 &reference.curl.constants-curl-multi;
 &reference.curl.constants-curl-pause;
</appendix>
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End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->