mysql_fetch_lengths
mysql_fetch_lengths
Get the length of each output in a result
Waarschuwing: >
mysqli_fetch_lengths``PDOStatement::getColumnMeta
**mysql_fetch_lengths** resource $result
Returns an array that corresponds to the lengths of each field in the last row fetched by MySQL.
stores the lengths of
each result column in the last row returned by
,
,
, and
in an array, starting at
offset 0.
mysql_fetch_lengths``mysql_fetch_row``mysql_fetch_assoc``mysql_fetch_array``mysql_fetch_object
An of lengths on successreturn.falseforfailure.
array
Voorbeeld: A 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);
?>
Array
(
[id] => 42
[email] => user@example.com
)
Array
(
[0] => 2
[1] => 16
)
mysql_field_len``mysql_fetch_row``strlen