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c268b1f210
* Update oop5.xml * Update types.xml * Update fgetcsv.xml * Update bcdiv.xml * Update bcadd.xml and gmp-init.xml * Update ini.xml * Remove a file not in the EN tree * Fix credits section * Update get-magic-quotes-runtime.xml * Remove useless section * Update addslashes.xml * Update ini.core.xml * Update fwrite.xml * Remove ini.magic-quotes-gpc reference from language-snippets.ent * Update stripslashes.xml * Update parse-str.xml * Update oci-bind-by-name.xml
153 lines
3.9 KiB
XML
153 lines
3.9 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 3295741565f760edd22e305bd10e37f243e9e194 Maintainer: pastore Status: ready -->
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<!-- CREDITS: cucinato -->
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<refentry xml:id="function.bcadd" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>bcadd</refname>
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<refpurpose>Somma due numeri a precisione arbitraria</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>string</type><methodname>bcadd</methodname>
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<methodparam><type>string</type><parameter>num1</parameter></methodparam>
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<methodparam><type>string</type><parameter>num2</parameter></methodparam>
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<methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>scale</parameter><initializer>&null;</initializer></methodparam>
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</methodsynopsis>
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<para>
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Somma <parameter>num1</parameter> e
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<parameter>num2</parameter>.
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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>num1</parameter></term>
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<listitem>
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<para>
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L'operando di sinistra, come stringa.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>num2</parameter></term>
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<listitem>
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<para>
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L'operando di destra, come stringa.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry xml:id="function.bcadd..parameters.scale">
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<term><parameter>scale</parameter></term>
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<listitem>
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<simpara>
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Questo parametro viene utilizzato per impostare il numero di cifre dopo la virgola nel risultato.
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Se è &null;, verrà utilizzato il valore predefinito impostato con <function>bcscale</function>,
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o in alternativa il valore della
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direttiva INI <link linkend="ini.bcmath.scale"><literal>bcmath.scale</literal></link>.
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</simpara>
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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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La somma dei due operandi, come stringa.
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</para>
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</refsect1>
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<refsect1 role="errors">
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&reftitle.errors;
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<para>
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Questa funzione genera un'eccezione <exceptionname>ValueError</exceptionname> nei seguenti casi:
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<simplelist>
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<member>
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<parameter>num1</parameter> o <parameter>num2</parameter>
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non è una stringa numerica BCMath ben formata.
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</member>
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<member>
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<parameter>scale</parameter> è al di fuori dell'intervallo valido.
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</member>
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</simplelist>
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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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<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>8.0.0</entry>
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<entry>
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<parameter>scale</parameter> ora può essere null.
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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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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<example>
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<title>Esempio di <function>bcadd</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$a = '1.234';
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$b = '5';
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echo bcadd($a, $b); // 6
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echo bcadd($a, $b, 4); // 6.2340
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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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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>bcsub</function></member>
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<member><methodname>BcMath\Number::add</methodname></member>
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</simplelist>
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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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--> |