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git-svn-id: https://svn.php.net/repository/phpdoc/de/trunk@297032 c90b9560-bf6c-de11-be94-00142212c4b1
85 lines
2.2 KiB
XML
85 lines
2.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision: 1.1 -->
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<!-- EN-Revision: 96c9d88bad9a7d7d44bfb7f26c226df7ee9ddf26 Maintainer: hholzgra Status: ready -->
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<refentry xml:id="function.abs" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>abs</refname>
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<refpurpose>Absolutwert bzw. Betrag</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>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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Liefert den Betrag des Wertes <parameter>number</parameter>
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ohne Vorzeichen.
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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>number</parameter></term>
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<listitem>
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<para>
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Der zu bearbeitende Wert
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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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Der Betrag des Wertes <parameter>number</parameter>.
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Ist <parameter>number</parameter> vom Typ <type>float</type>,
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so ist auch das Ergebnis von diesem Typ, ansonsten wird
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das Ergebnis als <type>integer</type> zurückgegeben
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(da <type>float</type> einen größeren Wertebereich als
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<type>integer</type> hat).
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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>abs</function>-Beispiel</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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</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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