mysql_fetch_lengths
(PHP 3, PHP 4 , PHP 5)
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_fetch_row(),
or FALSE on error.
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.
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);
/* Output will look similar to:
Array
(
[id] => 42
[email] => user@example.com
)
Array
(
[0] => 2
[1] => 16
)
*/
?>
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See also mysql_field_len(),
mysql_fetch_row(), and
strlen().