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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<!-- splitted from ./en/functions/pgsql.xml, last change in rev 1.52 -->
<refentry xml:id="function.pg-field-type" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>pg_field_type</refname>
<refpurpose>
Returns the type name for the corresponding field number
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>pg_field_type</methodname>
<methodparam><type>resource</type><parameter>result</parameter></methodparam>
<methodparam><type>int</type><parameter>field_number</parameter></methodparam>
</methodsynopsis>
<para>
<function>pg_field_type</function> returns a string containing the
base type name of the given <parameter>field_number</parameter> in the
given PostgreSQL <parameter>result</parameter> resource.
</para>
<note>
<para>
If the field uses a PostgreSQL domain (rather than a basic type), it is
the name of the domain's underlying type that is returned, rather than the
name of the domain itself.
</para>
</note>
<note>
<para>
This function used to be called <function>pg_fieldtype</function>.
</para>
</note>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result</parameter></term>
<listitem>
<para>
PostgreSQL query result resource, returned by <function>pg_query</function>,
<function>pg_query_params</function> or <function>pg_execute</function>
(among others).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>field_number</parameter></term>
<listitem>
<para>
Field number, starting from 0.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
A <type>string</type> containing the base name of the field's type, or &false;
on error.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Getting information about fields</title>
<programlisting role="php">
<![CDATA[
<?php
$dbconn = pg_connect("dbname=publisher") or die("Could not connect");
// Assume 'title' is a varchar type
$res = pg_query($dbconn, "select title from authors where author = 'Orwell'");
echo "Title field type: ", pg_field_type($res, 0);
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
Title field type: varchar
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>pg_field_prtlen</function></member>
<member><function>pg_field_name</function></member>
<member><function>pg_field_type_oid</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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