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<refentry xml:id="function.header-remove" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">

<refnamediv>

<refname>header_remove</refname>

<refpurpose>Elimina un encabezado HTTP</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>void</type><methodname>header_remove</methodname>

<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>name</parameter><initializer>&null;</initializer></methodparam>

</methodsynopsis>

<para>

Elimina un encabezado HTTP previamente añadido con

<function>header</function>.

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

<varlistentry>

<term><parameter>name</parameter></term>

<listitem>

<para>

El nombre del encabezado a eliminar. Si es &null;, todos los encabezados definidos previamente son eliminados.

</para>

<note>

<simpara>

Este argumento no distingue entre mayúsculas y minúsculas.

</simpara>

</note>

</listitem>

</varlistentry>

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

&return.void;

</para>

</refsect1>

<refsect1 role="changelog">

&reftitle.changelog;

<informaltable>

<tgroup cols="2">

<thead>

<row>

<entry>&Version;</entry>

<entry>&Description;</entry>

</row>

</thead>

<tbody>

<row>

<entry>8.0.0</entry>

<entry>

<parameter>name</parameter> ahora es nullable.

</entry>

</row>

</tbody>

</tgroup>

</informaltable>

</refsect1>

<refsect1 role="examples">

&reftitle.examples;

<para>

<example>

<title>Eliminar un encabezado HTTP con <function>header_remove</function></title>

<programlisting role="php">

<![CDATA[

<?php

header("X-Foo: Bar");

header("X-Bar: Baz");

header_remove("X-Foo");

?>

]]>

</programlisting>

&example.outputs.similar;

<screen>

<![CDATA[

X-Bar: Baz

]]>

</screen>

</example>

<example>

<title>Eliminar todos los encabezados HTTP con <function>header_remove</function></title>

<programlisting role="php">

<![CDATA[

<?php

header("X-Foo: Bar");

header("X-Bar: Baz");

header_remove();

?>

]]>

</programlisting>

&example.outputs.similar;

<screen>

<![CDATA[

]]>

</screen>

</example>

</para>

</refsect1>

<refsect1 role="notes"><!-- {{{ -->

&reftitle.notes;

<caution>

<para>

Esta función elimina <emphasis>todos</emphasis> los encabezados

configurados por PHP, incluyendo cookies, sesiones y los encabezados

<literal>X-Powered-By</literal>.

</para>

</caution>

&note.network.header.sapi;

</refsect1><!-- }}} -->

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>header</function></member>

<member><function>headers_sent</function></member>

</simplelist>

</para>

</refsect1>

</refentry>

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