how to refresh the page in php code example

Example 1: php refresh

//refreshes your current page
header("Refresh:0");

//refreshes your current page after 5 seconds
header("Refresh:5");

//If you need to redirect it to another page
header("Refresh:0; url=page2.php");

Example 2: php header refresh

//Refreshes your current page
header("Refresh:0");
header("Refresh:2"); // Refreshes after 2 seconds

//If you need to redirect it to another page
header("Refresh:0; url=page2.php");

Example 3: php refresh page

header("Refresh:0");