PHP 4 to PHP 7 migrations across chamber of commerce websites

The business and school websites of the chambers of commerce, built with Drupal and native PHP, ran on old PHP versions.

1. Migration from PHP 4 to PHP 5, then from PHP 5 to PHP 7
2. Corrective and evolutive maintenance alongside
3. Estimation of minor and major enhancements

The websites were migrated up to PHP 7.

• PHP
• Drupal
• Drush
• MySQL
• Apache