Fungsi mysqli warning_count() PHP

Reviewed by Sutiono S.Kom., M.Kom., M.T.I

by Hanifah Nurbaeti December 16, 2020

Section Artikel

1 Definisi dan Penggunaan
2 Syntax
- - 2.0.1 Object oriented style:
  - 2.0.2 Procedural style:
3 Nilai Parameter
4 Detail Teknis

Definisi dan Penggunaan

Fungsi warning_count / mysqli_warning_count() digunakan untuk mengembalikan jumlah peringatan dari kueri terakhir.

Syntax

Object oriented style:

$mysqli -> warning_count

Procedural style:

mysqli_warning_count(connection)

Nilai Parameter

Parameter	Deskripsi
connection	Required. Menentukan koneksi MySQL yang akan digunakan

Detail Teknis

Return Value:	Jumlah peringatan dari kueri terakhir. 0 jika tidak ada peringatan
PHP Version:	5+

Contoh – Object oriented style
Kembalikan jumlah peringatan dari kueri terakhir:

<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");

// Periksa Koneksi
if ($mysqli -> connect_errno) {
  echo "Gagal Menghubungkan ke MySQL: " . $mysqli -> connect_error;
  exit();
}

$mysqli -> query("CREATE TABLE myPersons LIKE Persons");

$sql = "INSERT INTO myPersons (FirstName) VALUES(
'Hdghfhjgjtjyjn.,,��l�jkghfjbmbngfgffdhfhjgjgkjhlkhlkjljljlkjkljlkjkljkljlkj')";

$mysqli -> query($sql);

if ($mysqli -> warning_count) {
  if ($result = $mysqli -> query("SHOW WARNINGS")) {
    $row = $result -> fetch_row();
    printf("%s (%d): %s\n", $row[0], $row[1], $row[2]);
    $result -> close();
  }
}

$mysqli -> close();
?>

Contoh – Procedural style
Kembalikan jumlah peringatan dari kueri terakhir:

<?php
$con = mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno()) {
  echo "Gagal Menghubungkan ke MySQL: " . mysqli_connect_error();
  exit();
}

mysqli_query($con, "CREATE TABLE myPersons LIKE Persons");

$sql = "INSERT INTO myPersons (FirstName) VALUES(
'Hdghfhjgjtjyjn.,,��l�jkghfjbmbngfgffdhfhjgjgkjhlkhlkjljljlkjkljlkjkljkljlkj')";

mysqli_query($con, $sql);

if (mysqli_warning_count($con)) {
  if ($result = mysqli_query($con, "SHOW WARNINGS")) {
    $row = mysql_fetch_row($result);
    printf("%s (%d): %s\n", $row[0], $row[1], $row[2]);
    mysqli_free_result($result);
  }
}

mysqli_close($con);
?>

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