The result resource that
is being evaluated. This result comes from a call to
mysql_query().
Return Values
An array of lengths on success, or FALSE on failure.
Examples
Example 1. A mysql_fetch_lengths() example
<?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);
?>
The above example will output
something similar to: