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PHP Quiz PHP CertificatePHP mysqli_ping() Function
Example
Ping a server connection:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Check if server is alive
if (mysqli_ping($con))
{
echo "Connection is ok!";
}
else
{
echo "Error: ". mysqli_error($con);
}
mysqli_close($con);
?>
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Check if server is alive
if (mysqli_ping($con))
{
echo "Connection is ok!";
}
else
{
echo "Error: ". mysqli_error($con);
}
mysqli_close($con);
?>
Definition and Usage
The mysqli_ping() function pings a server connection, or tries to reconnect if the connection has gone down.
Syntax
mysqli_ping(connection);
| Parameter | Description |
|---|---|
| connection | Required. Specifies the MySQL connection to use |
Technical Details
| Return Value: | TRUE on success. FALSE on failure |
|---|---|
| PHP Version: | 5+ |
PHP MySQLi Reference
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