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PHP mysql_ping() Function

PHP MySQL Reference

Complete PHP MySQL Reference

Definition and Usage

The mysql_ping() function pings a server connection or reconnects to it if there is no connection.

This function returns TRUE if there is a connection, or FALSE on failure.

Syntax

mysql_ping(connection)

Parameter	Description
connection	Optional. Specifies the MySQL connection. If not specified, the last connection opened by mysql_connect() or mysql_pconnect() is used.

Tips and Notes

Note: This function can be used by scripts that remain idle for a long time.

Example

<?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";
$result = mysql_query($sql,$link);

mysql_ping();

// some code

mysql_close($con);
?>

PHP MySQL Reference

Complete PHP MySQL Reference

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