mirror of
https://github.com/sigmasternchen/php-doc-en
synced 2025-03-19 18:38:55 +00:00
bc37ae981e
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@165044 c90b9560-bf6c-de11-be94-00142212c4b1
76 lines
1.9 KiB
XML
76 lines
1.9 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
|
|
<!-- $Revision: 1.9 $ -->
|
|
<!-- splitted from ./en/functions/array.xml, last change in rev 1.59 -->
|
|
<refentry id="function.array-sum">
|
|
<refnamediv>
|
|
<refname>array_sum</refname>
|
|
<refpurpose>
|
|
Calculate the sum of values in an array.
|
|
</refpurpose>
|
|
</refnamediv>
|
|
<refsect1>
|
|
<title>Description</title>
|
|
<methodsynopsis>
|
|
<type>number</type><methodname>array_sum</methodname>
|
|
<methodparam><type>array</type><parameter>array</parameter></methodparam>
|
|
</methodsynopsis>
|
|
<para>
|
|
<function>array_sum</function> returns the sum of values
|
|
in an array as an integer or float.
|
|
</para>
|
|
<para>
|
|
<example>
|
|
<title><function>array_sum</function> examples</title>
|
|
<programlisting role="php">
|
|
<![CDATA[
|
|
<?php
|
|
$a = array(2, 4, 6, 8);
|
|
echo "sum(a) = " . array_sum($a) . "\n";
|
|
|
|
$b = array("a" => 1.2, "b" => 2.3, "c" => 3.4);
|
|
echo "sum(b) = " . array_sum($b) . "\n";
|
|
?>
|
|
]]>
|
|
</programlisting>
|
|
<para>
|
|
The printout of the program above will be:
|
|
</para>
|
|
<screen>
|
|
<![CDATA[
|
|
sum(a) = 20
|
|
sum(b) = 6.9
|
|
]]>
|
|
</screen>
|
|
</example>
|
|
</para>
|
|
<note>
|
|
<para>
|
|
PHP versions prior to 4.2.1 modified the passed array
|
|
itself and converted strings to numbers (which most
|
|
of the time converted them to zero, depending on
|
|
their value).
|
|
</para>
|
|
</note>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!-- Keep this comment at the end of the file
|
|
Local variables:
|
|
mode: sgml
|
|
sgml-omittag:t
|
|
sgml-shorttag:t
|
|
sgml-minimize-attributes:nil
|
|
sgml-always-quote-attributes:t
|
|
sgml-indent-step:1
|
|
sgml-indent-data:t
|
|
indent-tabs-mode:nil
|
|
sgml-parent-document:nil
|
|
sgml-default-dtd-file:"../../../../manual.ced"
|
|
sgml-exposed-tags:nil
|
|
sgml-local-catalogs:nil
|
|
sgml-local-ecat-files:nil
|
|
End:
|
|
vim600: syn=xml fen fdm=syntax fdl=2 si
|
|
vim: et tw=78 syn=sgml
|
|
vi: ts=1 sw=1
|
|
-->
|