Question

I am trying to check the time right now is newer then a DATETIME from a SQL row. This is my current code:

<?php
require('common.php');

$query = "SELECT 
                 event_name, UNIX_TIMESTAMP(event_date) AS event_time, initiator, min_level, max_level
              FROM 
                 DD_events
          WHERE
           event_date <= NOW()
          ";
try{
    $stmt = $db->prepare($query);
    $result = $stmt->execute();
}
catch(PDOException $ex){
    die("Failed to run query: " . $ex->getMessage());
}
$chk = $stmt->fetchall();

//Loop through each row
foreach ($chk as $chks) {
print_r($chks['event_time']); echo "<br>";
  // If it is, create query to make the next event
    $query = "INSERT INTO
              DD_events (event_name, event_date, initiator, min_level, max_level)
              VALUES 
              (:name, :event_date, 0, :min_lvl, :max_lvl)
          ";
  $query_params = array(
                   ':name' => $chks['event_name'],
                   ':event_date' => $chks['event_time'],
                   ':min_lvl' => $chks['min_level'],
                   ':max_lvl' => $chks['max_level']
                   );
    try
    {
        // These two statements run the query against your database table.
        $stmt = $db->prepare($query);
        $stmt->execute($query_params);
    }
    catch(PDOException $ex)
    {
        // Note: On a production website, you should not output $ex->getMessage().
        // It may provide an attacker with helpful information about your code. 
        die("Failed to run query: " . $ex->getMessage());
    }
}

The results always turn up empty even though I know that there are supposed to be turning up.

My goal is to check to see if an event has passed. If it has execute the code.

I understand that PHP time differes from SQL time and that is why I attempted the UNIX_TIMESTAMP() function to try and compare it to the PHP time.

Answer 1

An alternative would be to just select the rows that you need (if you are not going to use the other ones in your code):

$query = "SELECT 
            event_name, event_date, initiator, min_level, max_level
          FROM 
            DD_events
          WHERE event_date <= NOW()
          ";

That would reduce your php code and the resources needed.