Contoh
Kembali jumlah bidang (columns) dalam satu set hasil:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql="SELECT Lastname,Age FROM Persons ORDER BY Lastname";
if ($result=mysqli_query($con,$sql))
{
// Return the
number of fields in result set
$fieldcount=mysqli_num_fields($result);
printf("Result set has %d
fields.\n",$fieldcount);
// Free result
set
mysqli_free_result($result);
}
mysqli_close($con);
?>
Definisi dan Penggunaan
The mysqli_num_fields() mengembalikan fungsi jumlah bidang (columns) dalam satu set hasil.
Sintaksis
mysqli_num_fields( result ) ; | Parameter | Deskripsi |
|---|---|
| result | Wajib. Menentukan hasil set identifier dikembalikan oleh mysqli_query() , mysqli_store_result() atau mysqli_use_result() |
Rincian teknis
| Kembali Nilai: | Mengembalikan jumlah bidang di set hasil |
|---|---|
| PHP Versi: | 5 + |
<PHP MySQLi Referensi