reference/filter/functions/filter-var-array.xml
de9c65c91ff1710d8b2d2ec955caea0162679305
de9c65c91ff1710d8b2d2ec955caea0162679305
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>mixed</type><methodname>filter_var_array</methodname>
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<methodparam><type>array</type><parameter>data</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>definition</parameter></methodparam>
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<type class="union"><type>array</type><type>false</type><type>null</type></type><methodname>filter_var_array</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>array</type><type>int</type></type><parameter>options</parameter><initializer><constant>FILTER_DEFAULT</constant></initializer></methodparam>
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<methodparam choice="opt"><type>bool</type><parameter>add_empty</parameter><initializer>&true;</initializer></methodparam>
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</methodsynopsis>
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<para>
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This function is useful for retrieving many values without
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>data</parameter></term>
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<term><parameter>array</parameter></term>
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<listitem>
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<para>
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An array with string keys containing the data to filter.
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>definition</parameter></term>
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<term><parameter>options</parameter></term>
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<listitem>
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<para>
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An array defining the arguments. A valid key is a <type>string</type>
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containing a variable name and a valid value is either a filter type,
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or an <type>array</type> optionally specifying the filter, flags and
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options. If the value is an array, valid keys are
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<literal>filter</literal> which specifies the filter type,
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containing a variable name and a valid value is either a
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<link linkend="filter.filters">filter type</link>, or an
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<type>array</type> optionally specifying the filter, flags and options.
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If the value is an array, valid keys are <literal>filter</literal>
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which specifies the <link linkend="filter.filters">filter type</link>,
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<literal>flags</literal> which specifies any flags that apply to the
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filter, and <literal>options</literal> which specifies any options
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that apply to the filter. See the example below for a better
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understanding.
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filter, and <literal>options</literal> which specifies any options that
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apply to the filter. See the example below for a better understanding.
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</para>
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<para>
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This parameter can be also an integer holding a <link
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>add_empty</parameter></term>
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<listitem>
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<para>
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Add missing keys as &null; to the return value.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<programlisting role="php">
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<![CDATA[
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<?php
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error_reporting(E_ALL | E_STRICT);
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$data = array(
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'product_id' => 'libgd<script>',
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'component' => '10',
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<![CDATA[
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array(6) {
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["product_id"]=>
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array(1) {
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[0]=>
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string(17) "libgd%3Cscript%3E"
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}
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string(17) "libgd%3Cscript%3E"
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["component"]=>
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array(1) {
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[0]=>
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int(10)
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}
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["versions"]=>
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array(1) {
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[0]=>
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string(6) "2.0.33"
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}
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string(6) "2.0.33"
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["doesnotexist"]=>
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NULL
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["testscalar"]=>
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<member><function>filter_input_array</function></member>
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<member><function>filter_var</function></member>
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<member><function>filter_input</function></member>
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<member><xref linkend="filter.filters"/></member>
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</simplelist>
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</para>
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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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