archived-doc-es/reference/datetime/datetimeinterface.xml

<?xml version="1.0" encoding="utf-8"?>
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<reference xml:id="class.datetimeinterface" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">

 <title>La interfaz DateTimeInterface</title>
 <titleabbrev>DateTimeInterface</titleabbrev>

 <partintro>

<!-- {{{ DateTimeInterface intro -->
  <section xml:id="datetimeinterface.intro">
   &reftitle.intro;
   <para>
    <interfacename>DateTimeInterface</interfacename> fue creada
    tanto como parametro de retorno, como para las declaraciones de tipo
    de propiedad puedan aceptar tanto <classname>DateTimeImmutable</classname> o
    <classname>DateTime</classname> como valor. No es posible que el usuario
    implemente esta interfaz en sus propias clases.
   </para>
   <para>
    Las constantes comunes que permiten el formato de objetos
    <classname>DateTimeImmutable</classname> o
    <classname>DateTime</classname> mediante
    <methodname>DateTimeImmutable::format</methodname> y
    <methodname>DateTime::format</methodname> son también definidas en esta
    interfaz.
   </para>
  </section>
<!-- }}} -->

  <section xml:id="datetimeinterface.synopsis">
   &reftitle.classsynopsis;

<!-- {{{ Synopsis -->
   <classsynopsis class="interface">
    <oointerface>
     <interfacename>DateTimeInterface</interfacename>
    </oointerface>

    <classsynopsisinfo role="comment">&Constants;</classsynopsisinfo>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.atom">DateTimeInterface::ATOM</varname>
     <initializer>"Y-m-d\\TH:i:sP"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.cookie">DateTimeInterface::COOKIE</varname>
     <initializer>"l, d-M-Y H:i:s T"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.iso8601">DateTimeInterface::ISO8601</varname>
     <initializer>"Y-m-d\\TH:i:sO"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.iso8601-expanded">DateTimeInterface::ISO8601_EXPANDED</varname>
     <initializer>"X-m-d\\TH:i:sP"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc822">DateTimeInterface::RFC822</varname>
     <initializer>"D, d M y H:i:s O"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc850">DateTimeInterface::RFC850</varname>
     <initializer>"l, d-M-y H:i:s T"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc1036">DateTimeInterface::RFC1036</varname>
     <initializer>"D, d M y H:i:s O"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc1123">DateTimeInterface::RFC1123</varname>
     <initializer>"D, d M Y H:i:s O"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc7231">DateTimeInterface::RFC7231</varname>
     <initializer>"D, d M Y H:i:s \\G\\M\\T"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc2822">DateTimeInterface::RFC2822</varname>
     <initializer>"D, d M Y H:i:s O"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc3339">DateTimeInterface::RFC3339</varname>
     <initializer>"Y-m-d\\TH:i:sP"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rfc3339-extended">DateTimeInterface::RFC3339_EXTENDED</varname>
     <initializer>"Y-m-d\\TH:i:s.vP"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.rss">DateTimeInterface::RSS</varname>
     <initializer>"D, d M Y H:i:s O"</initializer>
    </fieldsynopsis>
    <fieldsynopsis>
     <modifier>public</modifier>
     <modifier>const</modifier>
     <type>string</type>
     <varname linkend="datetimeinterface.constants.w3c">DateTimeInterface::W3C</varname>
     <initializer>"Y-m-d\\TH:i:sP"</initializer>
    </fieldsynopsis>

    <classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.datetimeinterface')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='DateTimeInterface'])">
     <xi:fallback/>
    </xi:include>
   </classsynopsis>
<!-- }}} -->

  </section>

<!-- {{{ DateTimeInterface constants -->
  <section xml:id="datetimeinterface.constants.types">
   &reftitle.constants;
   <variablelist>
    <varlistentry xml:id="datetimeinterface.constants.atom">
     <term>
      <constant>DateTimeInterface::ATOM</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_ATOM</constant></term>
     <listitem>
      <simpara>
       Atom (ejemplo: <literal>2005-08-15T15:52:01+00:00</literal>); compatible con ISO-8601, RFC 3399 y XML Schema
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.cookie">
     <term>
      <constant>DateTimeInterface::COOKIE</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_COOKIE</constant></term>
     <listitem>
      <simpara>
       HTTP Cookies (ejemplo: <literal>Monday, 15-Aug-2005 15:52:01 UTC</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.iso8601">
     <term>
      <constant>DateTimeInterface::ISO8601</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_ISO8601</constant></term>
     <listitem>
      <simpara>
       Similar a ISO-8601 (ejemplo: <literal>2005-08-15T15:52:01+0000</literal>)
      </simpara>
      <note>
       <simpara>
        Este formato no es compatible con el ISO-8601, aunque se deja por
        razones de retrocompatibilidad. Use
        <constant>DateTimeInterface::ISO8601_EXPANDED</constant>,
        <constant>DateTimeInterface::ATOM</constant> en su lugar para que sea
        compatible con el ISO-8601. (ref ISO8601:2004 section 4.3.3 clause d)
       </simpara>
      </note>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.iso8601-expanded">
     <term>
      <constant>DateTimeInterface::ISO8601_EXPANDED</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_ISO8601_EXPANDED</constant></term>
     <listitem>
      <simpara>
       ISO-8601 Extendido (ejemplo: <literal>+10191-07-26T08:59:52+01:00</literal>)
      </simpara>
      <note>
       <simpara>
        Este formato permite rangos de años fuera del rango normal de ISO-8601
        de <literal>0000</literal>-<literal>9999</literal> al incluir siempre
        un carácter de signo. También asegura que la parte de la zona horaria
        (<literal>+01:00</literal>) sea compatible con ISO-8601.
       </simpara>
      </note>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc822">
     <term>
      <constant>DateTimeInterface::RFC822</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC822</constant></term>
     <listitem>
      <simpara>
       RFC 822 (ejemplo: <literal>Mon, 15 Aug 05 15:52:01 +0000</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc850">
     <term>
      <constant>DateTimeInterface::RFC850</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC850</constant></term>
     <listitem>
      <simpara>
       RFC 850 (ejemplo: <literal>Monday, 15-Aug-05 15:52:01 UTC</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc1036">
     <term>
      <constant>DateTimeInterface::RFC1036</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC1036</constant></term>
     <listitem>
      <simpara>
       RFC 1036 (ejemplo: <literal>Mon, 15 Aug 05 15:52:01 +0000</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc1123">
     <term>
      <constant>DateTimeInterface::RFC1123</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC1123</constant></term>
     <listitem>
      <simpara>
       RFC 1123 (ejemplo: <literal>Mon, 15 Aug 2005 15:52:01 +0000</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc7231">
      <term>
       <constant>DateTimeInterface::RFC7231</constant>
       <type>string</type>
      </term>
      <term><constant>DATE_RFC7231</constant></term>
      <listitem>
       <simpara>
        RFC 7231 (desde PHP 7.0.19 y 7.1.5)
        (ejemplo: <literal>Sat, 30 Apr 2016 17:52:13 GMT</literal>)
       </simpara>
      </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc2822">
     <term>
      <constant>DateTimeInterface::RFC2822</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC2822</constant></term>
     <listitem>
      <simpara>
       RFC 2822 (ejemplo: <literal>Mon, 15 Aug 2005 15:52:01 +0000</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc3339">
     <term>
      <constant>DateTimeInterface::RFC3339</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC3339</constant></term>
     <listitem>
      <simpara>
       Igual que <constant>DATE_ATOM</constant>
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rfc3339-extended">
     <term>
      <constant>DateTimeInterface::RFC3339_EXTENDED</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RFC3339_EXTENDED</constant></term>
     <listitem>
      <simpara>
       Formato RFC 3339 EXTENDED
       (ejemplo: <literal>2005-08-15T15:52:01.000+00:00</literal>)
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.rss">
     <term>
      <constant>DateTimeInterface::RSS</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_RSS</constant></term>
     <listitem>
      <simpara>
       RSS (ejemplo: <literal>Mon, 15 Aug 2005 15:52:01 +0000</literal>).
       &Alias; <constant>DATE_RFC1123</constant>.
      </simpara>
     </listitem>
    </varlistentry>

    <varlistentry xml:id="datetimeinterface.constants.w3c">
     <term>
      <constant>DateTimeInterface::W3C</constant>
      <type>string</type>
     </term>
     <term><constant>DATE_W3C</constant></term>
     <listitem>
      <simpara>
       World Wide Web Consortium (ejemplo: <literal>2005-08-15T15:52:01+00:00</literal>).
       &Alias; <constant>DATE_RFC3339</constant>.
      </simpara>
     </listitem>
    </varlistentry>

   </variablelist>
  </section>
<!-- }}} -->

  <section role="changelog" xml:id="datetimeinterface.changelog"><!-- {{{ -->
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.4.0</entry>
       <entry>Las constantes de clase ahora están tipadas.</entry>
      </row>
      <row>
       <entry>8.2.0</entry>
       <entry>
        Se ha añadido la constante
        <constant linkend="datetimeinterface.constants.iso8601-expanded">DateTimeInterface::ISO8601_EXPANDED</constant>.
       </entry>
      </row>
      <row>
       <entry>7.2.0</entry>
       <entry>
        Las constantes de clase de <classname>DateTime</classname> ahora están
        definidas en <classname>DateTimeInterface</classname>.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </section><!-- }}} -->

 </partintro>

 &reference.datetime.entities.datetimeinterface;

</reference>

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