mirror of
https://github.com/sigmasternchen/php-doc-en
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9ba9ce4f8c
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@329643 c90b9560-bf6c-de11-be94-00142212c4b1
112 lines
2.5 KiB
XML
112 lines
2.5 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.array-product" xmlns="http://docbook.org/ns/docbook"
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xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>array_product</refname>
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<refpurpose>Calculate the product of values in an array</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>number</type><methodname>array_product</methodname>
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<methodparam><type>array</type><parameter>array</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>array_product</function> returns the product of values
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in an array.
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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>array</parameter></term>
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<listitem>
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<para>
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The array.
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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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Returns the product as an integer or float.
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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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<para>
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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>5.3.6</entry>
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<entry>
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The product of an empty array is now 1, when before this function would
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return 0 for an empty array.
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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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</para>
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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><function>array_product</function> examples</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = array(2, 4, 6, 8);
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echo "product(a) = " . array_product($a) . "\n";
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echo "product(array()) = " . array_product(array()) . "\n";
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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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product(a) = 384
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product(array()) = 1
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]]>
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</screen>
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</example>
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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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