Kifaa cha PHP mysql_fetch_lengths()

Fomu PHP MySQL

Muhtasari na matumizi

Kifaa cha mysql_fetch_lengths() kinahusisha ujenzi wa kina kila kati kwa maelezo kila kitu.

mimba ina kumwenguniwa na kifaa kila kati:mysql_fetch_array(),mysql_fetch_assoc(),mysql_fetch_object() au mysql_fetch_row().

kama niweze kufanikia, mtu wa kifaa hauwezi kuzingatia ina kuzungumza kwa namba zote, kama kimekabakia ama kina kumfuata hii ina kuzungumza kwa false.

mawili

mysql_fetch_lengths(data)
Paramagani Maelezo
data Inayotahidi. Kifungu cha data kinachotumika. Kifungu cha data kinachotumika kutoka mysql_query() Matokeo yaliyotumika.

Mifano

<?php
$con = mysql_connect("localhost", "peter", "abc123");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }
$db_selected = mysql_select_db("test_db",$con);
$sql = "SELECT * from Person WHERE Lastname='Refsnes'";
$result = mysql_query($sql,$con);
print_r(mysql_fetch_row($result));
print_r(mysql_fetch_lengths($result));
mysql_close($con);
?>

Muafaka:

Array
(
[0] => Adams
[1] => John
[2] => London
)
Array
(
[0] => 5
[1] => 4
[2] => 6
)

Fomu PHP MySQL