PHP: Detect Page Refresh

Question

I have a page action.php on which I run an SQL query through the code, so that whenever the page is viewed the query runs like its like counting page vi

Answer 1

Best way to Detect Page Refresh. or Not ?(Ctrl+F5,F5,Ctrl+R, Enter)

$pageRefreshed = isset($_SERVER['HTTP_CACHE_CONTROL']) &&($_SERVER['HTTP_CACHE_CONTROL'] === 'max-age=0' ||  $_SERVER['HTTP_CACHE_CONTROL'] == 'no-cache'); 
if($pageRefreshed == 1){
    echo "Yes page Refreshed";
}else{
    //enter code here
    echo "No";
}