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Fungsi mysqli ping() PHP

by Hanifah Nurbaeti
by Hanifah Nurbaeti

Section Artikel

Definisi dan Penggunaan

Fungsi ping() / mysqli_ping() digunakan untuk mem-ping koneksi server, untuk memeriksa apakah server hidup. Ia juga mencoba untuk menyambungkan kembali – jika sambungan terputus.

Syntax

Object oriented style:

$mysqli -> ping()

Procedural style:

mysqli_ping(connection)

Nilai Parameter

ParameterDeskripsi
connectionRequired. Menentukan koneksi MySQL yang akan digunakan

Detail Teknis

Return Value:TRUE jika sukses. FALSE jika gagal
PHP Version:5+

Contoh – Object oriented style
Ping koneksi server:

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

// Periksa Koneksi
if ($mysqli -> connect_errno) {
  echo "Failed to connect to MySQL: " . $mysqli -> connect_error;
  exit();
}

// Periksa koneksi, jika masih hidup
if ($mysqli -> ping()) {
  echo "Koneksi ok!";
} else {
  echo "Error: ". $mysqli -> error);
}

$mysqli -> close();
?>

Contoh -Procedural style
Ping koneksi server:

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

// Periksa Koneksi
if (mysqli_connect_errno()) {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  exit();
}

// Periksa server, jika masih hidup
if (mysqli_ping($con)) {
  echo "Connection is ok!";
} else {
  echo "Error: ". mysqli_error($con);
}

mysqli_close($con);
?>

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