Does any one knows why while loop below ends after few loops when it meant to keep in loop? File name: while_loop_script.php define('run', 0); define('START', 10); while(START >run){ $ch = curl_init("mydomain/update_script.php?action=run"); curl_exec($ch); curl_close($ch); } using php.exe to scheldule task it every 5 minutes: C:\php.exe D:\update\while_loop_script.php -- www.willandy.co.uk