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121 lines
2.9 KiB
XML
121 lines
2.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: d816a0fad6c458d9515f697cc89e26ca9d8069f5 Maintainer: leonardolara Status: ready -->
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<refentry xml:id="function.is-countable" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>is_countable</refname>
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<refpurpose>
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Verifica se o conteúdo de uma variável é um valor contável
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>is_countable</methodname>
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<methodparam><type>mixed</type><parameter>value</parameter></methodparam>
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</methodsynopsis>
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<para>
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Verifica se o conteúdo de uma variável é um <type>array</type> ou
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um objeto que implementa a classe <classname>Countable</classname>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>value</parameter></term>
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<listitem>
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<para>
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O valor a ser verificado
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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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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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Retorna &true; se <parameter>value</parameter> for contável, &false;
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caso contrário.
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry>7.3.0</entry>
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<entry>
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A função <function>is_countable</function> foi adicionada.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Exemplos de <function>is_countable</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(is_countable([1, 2, 3])); // bool(true)
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var_dump(is_countable(new ArrayIterator(['foo', 'bar', 'baz']))); // bool(true)
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var_dump(is_countable(new ArrayIterator())); // bool(true)
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var_dump(is_countable(new stdClass())); // bool(false)
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>is_array</function></member>
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<member><function>is_object</function></member>
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<member><function>is_iterable</function></member>
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<member><function>is_bool</function></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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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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