mirror of
https://github.com/sigmasternchen/php-doc-en
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5b9fc29465
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@78496 c90b9560-bf6c-de11-be94-00142212c4b1
66 lines
1.8 KiB
XML
66 lines
1.8 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.2 $ -->
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<!-- splitted from ./en/functions/funchand.xml, last change in rev 1.1 -->
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<refentry id="function.func-num-args">
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<refnamediv>
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<refname>func_num_args</refname>
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<refpurpose>
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Returns the number of arguments passed to the function
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</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>int</type><methodname>func_num_args</methodname>
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<void/>
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</methodsynopsis>
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<simpara>
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Returns the number of arguments passed into the current
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user-defined function. <function>func_num_args</function> will
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generate a warning if called from outside of a user-defined function.
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</simpara>
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<para>
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<informalexample>
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<programlisting role="php">
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<![CDATA[
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<?php
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function foo() {
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$numargs = func_num_args();
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echo "Number of arguments: $numargs\n";
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}
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foo (1, 2, 3); // Prints 'Number of arguments: 3'
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?>
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]]>
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</programlisting>
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</informalexample>
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</para>
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<simpara>
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<function>func_num_args</function> may be used in conjunction
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with <function>func_get_arg</function> and
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<function>func_get_args</function> to allow user-defined
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functions to accept variable-length argument lists.
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</simpara>
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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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