reference/url/functions/get-headers.xml
943c1285bd3808ad764f01da00b59458110133c0
943c1285bd3808ad764f01da00b59458110133c0
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>array</type><methodname>get_headers</methodname>
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<type class="union"><type>array</type><type>false</type></type><methodname>get_headers</methodname>
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<methodparam><type>string</type><parameter>url</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>format</parameter><initializer>0</initializer></methodparam>
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<methodparam choice="opt"><type>resource</type><parameter>context</parameter></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>associative</parameter><initializer>&false;</initializer></methodparam>
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<methodparam choice="opt"><type class="union"><type>resource</type><type>null</type></type><parameter>context</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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<function>get_headers</function> returns an array with the headers sent
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>format</parameter></term>
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<term><parameter>associative</parameter></term>
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<listitem>
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<para>
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If the optional <parameter>format</parameter> parameter is set to non-zero,
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If the optional <parameter>associative</parameter> parameter is set to true,
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<function>get_headers</function> parses the response and sets the
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array's keys.
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</para>
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<listitem>
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<para>
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A valid context resource created with
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<function>stream_context_create</function>.
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<function>stream_context_create</function>, or &null; to use the
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default context.
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</para>
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</listitem>
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</varlistentry>
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</thead>
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<tbody>
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<row>
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<entry>7.1.0</entry>
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<entry>8.0.0</entry>
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<entry>
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The <parameter>context</parameter> parameter was added.
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The <parameter>associative</parameter> has been changed from <type>int</type> to <type>bool</type>.
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</entry>
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</row>
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<row>
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<entry>5.1.3</entry>
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<entry>7.1.0</entry>
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<entry>
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This function now uses the default stream context, which can be
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set/changed with the <function>stream_context_set_default</function>
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function.
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The <parameter>context</parameter> parameter was added.
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</entry>
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</row>
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</tbody>
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print_r(get_headers($url));
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print_r(get_headers($url, 1));
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print_r(get_headers($url, true));
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?>
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]]>
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</programlisting>
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<?php
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// By default get_headers uses a GET request to fetch the headers. If you
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// want to send a HEAD request instead, you can do so using a stream context:
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stream_context_set_default(
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array(
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$context = stream_context_create(
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[
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'http' => array(
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'method' => 'HEAD'
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)
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)
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]
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);
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$headers = get_headers('http://example.com');
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$headers = get_headers('http://example.com', false, $context);
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?>
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]]>
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</programlisting>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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