<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.mysql-fetch-lengths">
   <refnamediv>
    <refname>mysql_fetch_lengths</refname>
    <refpurpose>
     Get the length of each output in a result
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>array</type><methodname>mysql_fetch_lengths</methodname>
      <methodparam><type>resource</type><parameter>result</parameter></methodparam>
     </methodsynopsis>
    <para>
     Returns an array that corresponds to the lengths of each field
     in the last row fetched by <function>mysql_fetch_row</function>,
     or &false; on error.
    </para>
    <para>
     <function>mysql_fetch_lengths</function> stores the lengths of
     each result column in the last row returned by
     <function>mysql_fetch_row</function>,
     <function>mysql_fetch_assoc</function>,
     <function>mysql_fetch_array</function>, and
     <function>mysql_fetch_object</function> in an array, starting at
     offset 0.
    </para>
    <para>
     <example>
      <title>A <function>mysql_fetch_lengths</function> example</title>
      <programlisting role="php">
<![CDATA[
<?php
$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");
if (!$result) {
    echo 'Could not run query: ' . mysql_error();
    exit;
}
$row     = mysql_fetch_assoc($result);
$lengths = mysql_fetch_lengths($result);

print_r($row);
print_r($lengths);

/* Output will look similar to:
Array
(
    [id] => 42
    [email] => user@example.com
)
Array
(
    [0] => 2
    [1] => 16
)

*/
?>
]]>
      </programlisting>
     </example>
    </para>
    <para>
     See also <function>mysql_field_len</function>,
     <function>mysql_fetch_row</function>, and
     <function>strlen</function>.
    </para>
   </refsect1>
  </refentry>

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