php-doc-en/reference/paradox/functions/px-get-info.xml
Hannes Magnusson c030e2adf7 Upgrade to DocBook5:
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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@238160 c90b9560-bf6c-de11-be94-00142212c4b1
2007-06-20 22:25:43 +00:00

158 lines
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XML

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- splitted from ./en/functions/paradox.xml, last change in rev -->
<refentry xml:id="function.px-get-info" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>px_get_info</refname>
<refpurpose>Return lots of information about a paradox file</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>px_get_info</methodname>
<methodparam><type>resource</type><parameter>pxdoc</parameter></methodparam>
</methodsynopsis>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>pxdoc</parameter></term>
<listitem>
<para>
Resource identifier of the paradox database
as returned by <function>px_new</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an associated array with lots of information about a paradox
file. This array is likely to be extended in the future.
</para>
<variablelist>
<varlistentry>
<term>fileversion</term>
<listitem>
<para>Version of file multiplied by 10, e.g. 70.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>tablename</term>
<listitem>
<para>Name of table as stored in the file. If the database was created
by pxlib, then this will be the name of the file without the
extension.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>numrecords</term>
<listitem>
<para>Number of records in this table.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>numfields</term>
<listitem>
<para>Number of fields in this table.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>headersize</term>
<listitem>
<para>Number of bytes used for the header. This is usually 0x800.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>recordsize</term>
<listitem>
<para>Number of bytes used for each record. This is the sum of all
field sizes (available since version 1.4.2).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>maxtablesize</term>
<listitem>
<para>
This value multiplied by 0x400 is the size of a data block in bytes.
The maximum number of records in a datablock is the integer part of
(maxtablesize * 0x400 - 8) / recordsize.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>numdatablocks</term>
<listitem>
<para>
The number of data blocks in the file. Each data block contains a
certain number of records which depends on the record size and the data
block size (maxtablesize). Data blocks may not necessarily be
completely filled.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>numindexfields</term>
<listitem>
<para>
Number of fields used for the primary index. The fields do always start
with field number 1.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>codepage</term>
<listitem>
<para>
The DOS codepage which was used for encoding fields with character data.
If the target encoding is not set with
<function>px_set_targetencoding</function> this will be the encoding for
character fields when records are being accessed with
<function>px_get_record</function> or
<function>px_retrieve_record</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>px_numfields</function></member>
<member><function>px_numrecords</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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