<?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);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [id] => 42
    [email] => user@example.com
)
Array
(
    [0] => 2
    [1] => 16
)
]]>
    </screen>
   </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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