Question

i need some help with this .
I want to create a php file with returning 0 or 1 when you open the file with url parameter .

I have this code so far :

<?php
function checkID($ID)
{
$allowedID = array('111','123');
if (in_array($ID, $allowedID ))
echo '1';
else
echo '0';   
}
?>

When i open the file it only shows me a blank page .
And i have no idea how to use url parameter , like site.com/myphp.php?ID=111

Thanks !

Answer 1

<?php
function checkID($ID)
{
    $allowedID = array('111','123');
    if (in_array($ID, $allowedID)) {
        echo '1';
    } else {
        echo '0';   
    }
}
checkID($_GET['ID']); 
?>