for ($i = 1; $i <= 9; $i++) {
// Execute the background script for a step when it isn't finished.
// Execute step 8 and 9 only when $days is defined.
for ($i = 1; $i <= 9; $i++) {
// Execute the background script for a step when it isn't finished.
// Execute step 8 and 9 only when $days is defined.