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file_get_wrapper_data renamed to file_get_meta_data and expanded.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@96988 c90b9560-bf6c-de11-be94-00142212c4b1
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Wez Furlong 2002-09-26 11:38:23 +00:00
parent 6a490ecdb7
commit 7b4aac161d
2 changed files with 120 additions and 52 deletions
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120
reference/filesystem/functions/file-get-meta-data.xml Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<refentry id="function.file-get-meta-data">
<refnamediv>
<refname>file_get_meta_data</refname>
<refpurpose>Retrieves header/meta data from streams/file pointers</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>array</type><methodname>file_get_meta_data</methodname>
<methodparam><type>resource</type><parameter>stream</parameter></methodparam>
</methodsynopsis>
<simpara>
Returns information about an existing <parameter>stream</parameter>.
The stream can be any stream created by <function>fopen</function>,
<function>fsockopen</function> and <function>pfsockopen</function>.
The result array contains the following items:
</simpara>
<itemizedlist>
<listitem>
<para>
<parameter>timed_out</parameter> (bool) - &true; if the stream
timed out while waiting for data on the last call to
<function>fread</function> or <function>fgets</function>.
</para>
</listitem>
<listitem>
<para>
<parameter>blocked</parameter> (bool) - &true; if the stream is
in blocking IO mode. See <function>socket_set_blocking</function>.
</para>
</listitem>
<listitem>
<para>
<parameter>eof</parameter> (bool) - &true; if the stream has reached
end-of-file. Note that for socket streams this member can be &true;
even when <parameter>unread_bytes</parameter> is non-zero. To
determine if there is more data to be read, use
<function>feof</function> instead of reading this item.
</para>
</listitem>
<listitem>
<para>
<parameter>unread_bytes</parameter> (int) - the number of bytes
currently contained in the read buffer.
</para>
</listitem>
</itemizedlist>
<simpara>
The following items were added in PHP 4.3:
</simpara>
<itemizedlist>
<listitem>
<para>
<parameter>stream_type</parameter> (string) - a label describing
the underlying implementation of the stream.
</para>
</listitem>
<listitem>
<para>
<parameter>wrapper_type</parameter> (string) - a label describing
the protocol wrapper implementation layered over the stream.
See <xref linkend="wrappers"/> for more information about wrappers.
</para>
</listitem>
<listitem>
<para>
<parameter>wrapper_data</parameter> (mixed) - wrapper specific
data attached to this stream. See <xref linkend="wrappers"/> for
more information about wrappers and their wrapper data.
</para>
</listitem>
<listitem>
<para>
<parameter>filters</parameter> (array) - and array containing
the names of any filters that have been stacked onto this stream.
Filters are currently undocumented.
</para>
</listitem>
</itemizedlist>
<note>
<para>
This function was introduced in PHP 4.3, but prior to this version,
<function>socket_get_status</function> could be used to retrieve
the first four items, for <emphasis>socket based streams only</emphasis>.
</para>
<para>
In PHP 4.3 and later,
<function>socket_get_status</function> is an alias for this function.
</para>
</note>
<note>
<simpara>This function does NOT work on sockets created by the <link
linkend="ref.sockets">Socket extension</link>.
</simpara>
</note>
</refsect1>
</refentry>
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52
reference/filesystem/functions/file-get-wrapper-data.xml
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<!-- splitted from ./en/functions/filesystem.xml, last change in rev 1.129 -->
<refentry id="function.file-get-wrapper-data">
<refnamediv>
<refname>file_get_wrapper_data</refname>
<refpurpose>Retrieves header/meta data from "wrapped" file pointers</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>mixed</type><methodname>file_get_wrapper_data</methodname>
<methodparam><type>int</type><parameter>fp</parameter></methodparam>
</methodsynopsis>
<simpara>
This function returns header or meta data from files opened with
<function>fopen</function>. This is useful to return the response
headers for HTTP connections, or some other statistics for other
resources.
</simpara>
<simpara>
The format of the returned data is deliberately undocumented at this
time, and depends on which wrapper(s) were used to open the file.
</simpara>
<note>
<para>
This function was introduced in PHP 4.3.0.
</para>
</note>
</refsect1>
</refentry>
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