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<refentry id="function.mysql-list-fields">
 <refnamediv>
  <refname>mysql_list_fields</refname>
  <refpurpose>List MySQL table fields</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>resource</type><methodname>mysql_list_fields</methodname>
   <methodparam><type>string</type><parameter>database_name</parameter></methodparam>
   <methodparam><type>string</type><parameter>table_name</parameter></methodparam>
   <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter></methodparam>
  </methodsynopsis>
  <para>
   Retrieves information about the given table name.
  </para>
  <para>
   This function is deprecated. It is preferable to use 
   <function>mysql_query</function> to issue a SQL <literal>SHOW COLUMNS FROM 
   table [LIKE 'name']</literal> statement instead.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>database_name</parameter></term>
     <listitem>
      <para>
       The name of the database that's being queried.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>table_name</parameter></term>
     <listitem>
      <para>
       The name of the table that's being queried.
      </para>
     </listitem>
    </varlistentry>
    &mysql.linkid.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   A result pointer <type>resource</type> on success, or &false; on
   failure.
  </para>
  <para>
   The returned result can be used with <function>mysql_field_flags</function>,
   <function>mysql_field_len</function>,
   <function>mysql_field_name</function>&listendand;
   <function>mysql_field_type</function>.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Alternate to deprecated <function>mysql_list_fields</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$result = mysql_query("SHOW COLUMNS FROM sometable");
if (!$result) {
    echo 'Could not run query: ' . mysql_error();
    exit;
}
if (mysql_num_rows($result) > 0) {
    while ($row = mysql_fetch_assoc($result)) {
        print_r($row);
    }
}
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [Field] => id
    [Type] => int(7)
    [Null] =>  
    [Key] => PRI
    [Default] =>
    [Extra] => auto_increment
)
Array
(
    [Field] => email
    [Type] => varchar(100)
    [Null] =>
    [Key] =>
    [Default] =>
    [Extra] =>
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    &info.deprecated.alias;
    <function>mysql_listfields</function>
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysql_field_flags</function></member>
    <member><function>mysql_info</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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