mysql_fetch_lengths
(PHP 4, PHP 5, PECL mysql:1.0)
mysql_fetch_lengths — Get the length of each output in a result
Description
array mysql_fetch_lengths
( resource $result
)
Returns an array that corresponds to the lengths of each field in the last row fetched by MySQL.
mysql_fetch_lengths() stores the lengths of each result column in the last row returned by mysql_fetch_row(), mysql_fetch_assoc(), mysql_fetch_array(), and mysql_fetch_object() in an array, starting at offset 0.
Parameters
- result
-
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.
Exempel
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:
Array ( [id] => 42 [email] => user@example.com ) Array ( [0] => 2 [1] => 16 )