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git-svn-id: https://svn.php.net/repository/phpdoc/it/trunk@314058 c90b9560-bf6c-de11-be94-00142212c4b1
68 lines
2.0 KiB
XML
68 lines
2.0 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!-- EN-Revision: n/a Maintainer: cortesi Status: ready -->
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<refentry xml:id="function.hexdec" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>hexdec</refname>
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<refpurpose>Da esadecimale a decimale</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Descrizione</title>
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<methodsynopsis>
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<type>int</type><methodname>hexdec</methodname>
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<methodparam><type>string</type><parameter>stringa_esadecimale</parameter></methodparam>
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</methodsynopsis>
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<para>
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Restituisce l'equivalente decimale di un numero esadecimale rappresentato
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dall'argomento <parameter>stringa_esadecimale</parameter>. <function>hexdec</function> converte una
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stringa esadecimale in un numero decimale. Il più grande numero che può
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essere convertito è 7fffffff o 2147483647 espresso in decimale.
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</para>
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<para>
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<function>hexdec</function> ignora i caratteri non esadecimali
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che incontra.
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<example>
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<title>esempio di <function>hexdec</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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var_dump(hexdec("See"));
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var_dump(hexdec("ee"));
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// entrambi stampano "int(238)"
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var_dump(hexdec("that")); // stampa "int(10)"
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var_dump(hexdec("a0")); // stampa "int(160)"
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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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<para>
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Vedere anche <function>dechex</function>,
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<function>bindec</function>,
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<function>octdec</function> e
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<function>base_convert</function>.
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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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