Est Delivery

EstimateDelivery.php

<?php
function generateDeliveryInterval($minDays = 7, $maxDays = 7, $skipWeekends = true) {
    $start = new DateTime();
    
    // Calculate minimum delivery date (starting tomorrow)
    $minDate = clone $start;

    $minDate->add(new DateInterval('P1W')); // Start from tomorrow P1Y , P2M PT5H
    
    // Calculate maximum delivery date 
    $maxDate = clone $start;

    if ( $skipWeekends ) {
    
        // Add business days only
        $daysAdded = 0;
        
        while ($daysAdded < $maxDays) {
        
            $maxDate->add(new DateInterval('P1D'));
            
            if ($maxDate->format('N') < 4) { // Monday = 1, Sunday = 7
            
                $daysAdded++;
            }
        }
        
    } else {
    
        $maxDate->add(new DateInterval('P' . $maxDays . 'D'));
    }
    
    // Format dates - show day and date
    $minFormatted = $minDate->format('D, j'); // Thu, 27
    
    $maxFormatted = $maxDate->format('D, M j'); // Thu, Sep 9
    
    return "Est. delivery " . $minFormatted . " - " . $maxFormatted;
}

?>