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Predict Future Sales with PHP Version 2.0 : Simple Forecasting Like Excel

Want to forecast future sales using your own data? Here is a simple yet powerful PHP function that predicts future values based on historical sales data — just like Excel’s FORECAST.LINEAR! No external libraries needed.

Forecasting

Χρησιμοποιήστε αυτό το δυναμικό εργαλείο πρόβλεψης πωλήσεων για να εισάγετε τα πραγματικά σας δεδομένα και να υπολογίσετε τις μελλοντικές σας πωλήσεις με ακρίβεια, όπως στο Excel. Δείτε τα αποτελέσματα σε πίνακα και γράφημα, και κατεβάστε τα σε αρχείο CSV για περαιτέρω ανάλυση.

📈 Sales Forecast Tool

Month Sales (€)





️ How to Use the Sales Forecast Tool

  1. Enter Data

    • Add month numbers (e.g. 1, 2, 3…)

    • Enter corresponding sales amounts (€)

  2. Add More Rows

    • Click ➕ Add Row to input more data points

  3. Set Forecast Months

    • Choose how many future months to predict (e.g. 3, 6, 12)

  4. Click Generate Forecast

    • The tool will calculate and display:

      • A table with actual & forecasted sales

      • A chart showing the trend

  5. Download Your Data

    • Click ⬇️ Download CSV to save results for later

Example

Actual data for Month 1: 18500, Month 2: 20000, Month 3: 18000, Month 4: 22000, Month 5: 23000, Month 6: 23500, Month 7: 23800

Forecasting

Want to predict your own sales in PHP?
Need help with something more advanced, like multi-variable forecasting or integration with your database?
Contact me — I can help you build it!

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