Funguo mysql_field_len() ya PHP
Ufafanuzi na Matumizi
Funguo mysql_field_len() inatoa ukuru wa eneo la kiwango cha eneo la kiwango cha eneo.
Iwapo inafaa, inatoa ukuru wa eneo la kiwango cha eneo, kama inasikitaka inatoa false.
Inafaa kuwaambatana
mysql_field_len(data,field_offset)
| Paramathiki | Maelezo |
|---|---|
| data | Inayohitajika. Imarisha ya data inayotumika. Imarisha hii ni kutoka mysql_query() Matokeo unaotumika. |
| field_offset | Inayohitajika. Inaonyesha kwenye eneo la mawasiliano unaotumika. 0 inaonyesha eneo la mawasiliano wa kwanza. |
Mfano
<?php
$con = mysql_connect("localhost", "hello", "321");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
$length = mysql_field_len($result, 0);
echo $length;
mysql_close($con);
?>
Kutoa:
20
