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https://github.com/sigmasternchen/php-doc-en
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918f77ae2e
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@165723 c90b9560-bf6c-de11-be94-00142212c4b1
95 lines
2.7 KiB
XML
95 lines
2.7 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.5 $ -->
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<refentry id="function.fprintf">
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<refnamediv>
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<refname>fprintf</refname>
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<refpurpose>Write a formatted string to a stream</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>int</type><methodname>fprintf</methodname>
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<methodparam><type>resource</type><parameter>handle</parameter></methodparam>
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<methodparam><type>string</type><parameter>format</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>args</parameter></methodparam>
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<methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
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</methodsynopsis>
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<simpara>
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Write a string produced according to <parameter>format</parameter>
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to the stream resource specified by <parameter>handle</parameter>.
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<parameter>format</parameter> is described in the documentation for
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<function>sprintf</function>.
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</simpara>
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<simpara>
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Returns the length of the outputted string.
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</simpara>
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<simpara>
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See also: <function>printf</function>,
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<function>sprintf</function>,
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<function>sscanf</function>, <function>fscanf</function>,
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<function>vsprintf</function>, and
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<function>number_format</function>.
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</simpara>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<para>
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<example>
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<title><function>fprintf</function>: zero-padded integers</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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if (!($fp = fopen('date.txt', 'w')))
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return;
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fprintf($fp, "%04d-%02d-%02d", $year, $month, $day);
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// will write the formatted ISO date to date.txt
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?>
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]]>
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</programlisting>
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</example>
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<example>
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<title><function>fprintf</function>: formatting currency</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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if (!($fp = fopen('currency.txt', 'w')))
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return;
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$money1 = 68.75;
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$money2 = 54.35;
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$money = $money1 + $money2;
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// echo $money will output "123.1";
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$len = fprintf($fp, '%01.2f', $money);
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// will write "123.10" to currency.txt
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echo "wrote $len bytes to currency.txt";
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// use the return value of fprintf to determine how many bytes we wrote
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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:"../../../../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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