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3c00e94a9b
others: fputs() -> fwrite() (use of aliases deprecated) git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@155110 c90b9560-bf6c-de11-be94-00142212c4b1
108 lines
3.3 KiB
XML
108 lines
3.3 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.10 $ -->
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<!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.2 -->
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<refentry id="function.fwrite">
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<refnamediv>
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<refname>fwrite</refname>
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<refpurpose>Binary-safe file write</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>fwrite</methodname>
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<methodparam><type>resource</type><parameter>handle</parameter></methodparam>
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<methodparam><type>string</type><parameter>string</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>length</parameter></methodparam>
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</methodsynopsis>
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<simpara>
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<function>fwrite</function> writes the contents of
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<parameter>string</parameter> to the file stream pointed to by
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<parameter>handle</parameter>. If the <parameter>length</parameter>
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argument is given, writing will stop after
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<parameter>length</parameter> bytes have been written or the end
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of <parameter>string</parameter> is reached, whichever comes
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first.
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</simpara>
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<simpara>
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<function>fwrite</function> returns the number of bytes
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written, or &false; on error.
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</simpara>
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<simpara>
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Note that if the <parameter>length</parameter> argument is given,
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then the <link
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linkend="ini.magic-quotes-runtime">magic_quotes_runtime</link>
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configuration option will be ignored and no slashes will be
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stripped from <parameter>string</parameter>.
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</simpara>
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<note>
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<para>
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On systems which differentiate between binary and text files
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(i.e. Windows) the file must be opened with 'b' included in
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<function>fopen</function> mode parameter.
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</para>
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</note>
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<para>
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<example>
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<title>A simple fwrite example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$filename = 'test.txt';
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$somecontent = "Add this to the file\n";
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// Let's make sure the file exists and is writable first.
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if (is_writable($filename)) {
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// In our example we're opening $filename in append mode.
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// The file pointer is at the bottom of the file hence
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// that's where $somecontent will go when we fwrite() it.
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if (!$handle = fopen($filename, 'a')) {
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echo "Cannot open file ($filename)";
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exit;
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}
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// Write $somecontent to our opened file.
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if (fwrite($handle, $somecontent) === FALSE) {
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echo "Cannot write to file ($filename)";
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exit;
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}
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echo "Success, wrote ($somecontent) to file ($filename)";
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fclose($handle);
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} else {
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echo "The file $filename is not writable";
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}
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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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<simpara>
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See also <function>fread</function>, <function>fopen</function>,
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<function>fsockopen</function>, and <function>popen</function>.
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</simpara>
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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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