1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 297028 $ -->
<refentry xml:id="function.mssql-fetch-field" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>mssql_fetch_field</refname>
<refpurpose>Get field information</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>object</type><methodname>mssql_fetch_field</methodname>
<methodparam><type>resource</type><parameter>result</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>field_offset</parameter><initializer>-1</initializer></methodparam>
</methodsynopsis>
<para>
<function>mssql_fetch_field</function> can be used in order to
obtain information about fields in a certain query result.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>result</parameter></term>
<listitem>
<para>
The result resource that is being evaluated. This result comes from a
call to <function>mssql_query</function>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>field_offset</parameter></term>
<listitem>
<para>
The numerical field offset. If the field offset is not specified, the
next field that was not yet retrieved by this function is retrieved. The
<parameter>field_offset</parameter> starts at 0.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns an object containing field information.
</para>
<para>
The properties of the object are:
</para>
<itemizedlist>
<listitem>
<simpara>
name - column name. if the column is a result of a function,
this property is set to computed#N, where #N is a serial
number.
</simpara>
</listitem>
<listitem>
<simpara>
column_source - the table from which the column was taken
</simpara>
</listitem>
<listitem>
<simpara>
max_length - maximum length of the column
</simpara>
</listitem>
<listitem>
<simpara>
numeric - 1 if the column is numeric
</simpara>
</listitem>
<listitem>
<simpara>
type - the column type.
</simpara>
</listitem>
</itemizedlist>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>mssql_fetch_field</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// Connect to MSSQL and select the database
mssql_connect('MANGO\SQLEXPRESS', 'sa', 'phpfi');
mssql_select_db('php');
// Send a select query to MSSQL
$query = mssql_query('SELECT * FROM [php].[dbo].[persons]');
// Construct table
echo '<h3>Table structure for \'persons\'</h3>';
echo '<table border="1">';
// Table header
echo '<thead>';
echo '<tr>';
echo '<td>Field name</td>';
echo '<td>Data type</td>';
echo '<td>Max length</td>';
echo '</tr>';
echo '</thead>';
// Dump all fields
echo '<tbody>';
for ($i = 0; $i < mssql_num_fields($query); ++$i) {
// Fetch the field information
$field = mssql_fetch_field($query, $i);
// Print the row
echo '<tr>';
echo '<td>' . $field->name . '</td>';
echo '<td>' . strtoupper($field->type) . '</td>';
echo '<td>' . $field->max_length . '</td>';
echo '</tr>';
}
echo '</tbody>';
echo '</table>';
// Free the query result
mssql_free_result($query);
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mssql_field_seek</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
|
