The price of our PHP Extended Support is based on the age of the version. Maintenance for older versions is associated with higher costs for IONOS. We charge the following prices:
PHP 4.0: $19.76 per month
PHP 5.2 / 5.4 / 5.5 / 5.6: $15.62 per month
PHP 7.0 / 7.1 / 7.2 / 7.3: $10.19 per month
PHP 7.4: $7.81 per month