php-doc-en/reference/array/functions/array-sum.xml
Christoph Michael Becker eb0bd932eb Replace "number" type with built-in types
There is really no need for a pseudo type here; we can either use the
`int|float` union, or spell out the abbreviation, instead.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@351123 c90b9560-bf6c-de11-be94-00142212c4b1
2020-11-02 09:17:09 +00:00

87 lines
2 KiB
XML

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.array-sum" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>array_sum</refname>
<refpurpose>Calculate the sum of values in an array</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>int</type><type>float</type></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.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>array</parameter></term>
<listitem>
<para>
The input array.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the sum of values as an integer or float; <literal>0</literal> if the
<parameter>array</parameter> is empty.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<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>
&example.outputs;
<screen>
<![CDATA[
sum(a) = 20
sum(b) = 6.9
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
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