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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.8 $ -->
<refentry id="function.dbase-get-header-info">
<refnamediv>
<refname>dbase_get_header_info</refname>
<refpurpose>Gets the header info of a database</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>array</type><methodname>dbase_get_header_info</methodname>
<methodparam><type>int</type><parameter>dbase_identifier</parameter></methodparam>
</methodsynopsis>
<para>
Returns information on the column structure of the given database link
identifier.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>dbase_identifier</parameter></term>
<listitem>
<para>
The database link identifier, returned by <function>dbase_open</function>
or <function>dbase_create</function>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
An indexed array with an entry for each column in the database. The array index
starts at 0.
</para>
<para>
Each array element contains an associative array of column information, as
described here:
<variablelist>
<varlistentry>
<term>name</term>
<listitem>
<simpara>
The name of the column
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>type</term>
<listitem>
<simpara>
The human-readable name for the dbase type of the column (i.e. date,
boolean, etc.)
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>length</term>
<listitem>
<simpara>
The number of bytes this column can hold
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>precision</term>
<listitem>
<simpara>
The number of digits of decimal precision for the column
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>format</term>
<listitem>
<simpara>
A suggested <function>printf</function> format specifier for the column
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>offset</term>
<listitem>
<simpara>
The byte offset of the column from the start of the row
</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>
If the database header information cannot be read, &false; is returned.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Showing header information for a dBase database file</title>
<programlisting role="php">
<![CDATA[
<?php
// Path to dbase file
$db_path = "/tmp/test.dbf";
// Open dbase file
$dbh = dbase_open($db_path, 0)
or die("Error! Could not open dbase database file '$db_path'.");
// Get column information
$column_info = dbase_get_header_info($dbh);
// Display information
print_r($column_info);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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