mirror of
https://github.com/sigmasternchen/php-doc-en
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c030e2adf7
- All id attributes are now xml:id - Add docbook namespace to all root elements - Replace <ulink /> with <link xlink:href /> - Minor markup fixes here and there git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@238160 c90b9560-bf6c-de11-be94-00142212c4b1
99 lines
2.4 KiB
XML
99 lines
2.4 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.16 $ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.feof">
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<refnamediv>
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<refname>feof</refname>
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<refpurpose>Tests for end-of-file on a file pointer</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>bool</type><methodname>feof</methodname>
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<methodparam><type>resource</type><parameter>handle</parameter></methodparam>
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</methodsynopsis>
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<para>
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Tests for end-of-file on a file pointer.
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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>handle</parameter></term>
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<listitem>
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&fs.validfp.all;
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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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Returns &true; if the file pointer is at EOF or an error occurs
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(including socket timeout); otherwise returns &false;.
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</para>
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</refsect1>
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<refsect1 role="notes">
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&reftitle.notes;
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<warning>
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<simpara>
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If a connection opened by <function>fsockopen</function> wasn't closed
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by the server, <function>feof</function> will wait until a timeout has
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been reached to return &true;. The default timeout value is 60 seconds.
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You may use <function>stream_set_timeout</function> to change this
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value.
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</simpara>
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</warning>
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<warning>
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<para>
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If passed file pointer is not valid you may get an infinite loop, because
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EOF fails to return TRUE.
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<example>
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<title><function>feof</function> example with an invalid file pointer</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// if file can not be read or doesn't exist fopen function returns FALSE
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$file = @fopen("no_such_file", "r");
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// FALSE from fopen will issue warning and result in infinite loop here
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while (!feof($file)) {
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}
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fclose($file);
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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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</warning>
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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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