Can multiple MySQL connections be established simultaneously within a PHP script to different hosts?

Yes, multiple MySQL connections can be established simultaneously within a PHP script to different hosts by creating separate connection objects for each host. This can be achieved by using the mysqli_connect() function with the host, username, password, and database parameters for each connection. 

// First MySQL connection
$host1 = "host1";
$username1 = "username1";
$password1 = "password1";
$database1 = "database1";
$conn1 = mysqli_connect($host1, $username1, $password1, $database1);

// Second MySQL connection
$host2 = "host2";
$username2 = "username2";
$password2 = "password2";
$database2 = "database2";
$conn2 = mysqli_connect($host2, $username2, $password2, $database2);

// Use $conn1 and $conn2 for executing queries on different MySQL connections

Keywords

PHP MySQL connections simultaneous hosts

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