mirror of
https://github.com/sigmasternchen/php-doc-en
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8c1cd0f8fb
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@185012 c90b9560-bf6c-de11-be94-00142212c4b1
86 lines
2.2 KiB
XML
86 lines
2.2 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.7 $ -->
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<!-- splitted from ./en/functions/datetime.xml, last change in rev 1.2 -->
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<refentry id="function.checkdate">
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<refnamediv>
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<refname>checkdate</refname>
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<refpurpose>Validate a Gregorian date</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>bool</type><methodname>checkdate</methodname>
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<methodparam><type>int</type><parameter>month</parameter></methodparam>
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<methodparam><type>int</type><parameter>day</parameter></methodparam>
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<methodparam><type>int</type><parameter>year</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns &true; if the date given is valid; otherwise returns &false;.
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Checks the validity of the date formed by the arguments. A date
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is considered valid if:
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<itemizedlist>
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<listitem>
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<simpara>
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year is between 1 and 32767 inclusive
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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month is between 1 and 12 inclusive
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</simpara>
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</listitem>
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<listitem>
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<simpara>
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<parameter>Day</parameter> is within the allowed number of
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days for the given <parameter>month</parameter>. Leap
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<parameter>year</parameter>s are taken into consideration.
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</simpara>
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</listitem>
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</itemizedlist>
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</para>
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<para>
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<example>
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<title><function>checkdate</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(checkdate(12, 31, 2000));
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var_dump(checkdate(2, 29, 2001));
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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bool(true)
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bool(false)
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]]>
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</screen>
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</example>
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</para>
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<para>
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See also <function>mktime</function> and <function>strtotime</function>.
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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:"../../../../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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