mirror of
https://github.com/sigmasternchen/php-doc-en
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9e4a34a9e5
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@145945 c90b9560-bf6c-de11-be94-00142212c4b1
56 lines
1.6 KiB
XML
56 lines
1.6 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<!-- splitted from ./en/functions/math.xml, last change in rev 1.2 -->
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<refentry id="function.abs">
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<refnamediv>
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<refname>abs</refname>
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<refpurpose>Absolute value</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>number</type><methodname>abs</methodname>
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<methodparam><type>mixed</type><parameter>number</parameter></methodparam>
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</methodsynopsis>
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<para>
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Returns the absolute value of <parameter>number</parameter>. If the
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argument <parameter>number</parameter> is
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of type <type>float</type>, the return type is also <type>float</type>,
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otherwise it is <type>integer</type> (as <type>float</type> usually has a
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bigger value range than <type>integer</type>).
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</para>
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<example>
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<title><function>abs</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$abs = abs(-4.2); // $abs = 4.2; (double/float)
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$abs2 = abs(5); // $abs2 = 5; (integer)
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$abs3 = abs(-5); // $abs3 = 5; (integer)
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?>
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]]>
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</programlisting>
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</example>
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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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