Upgrade to PHP 8.2, improve platform and schema interface

This update includes the following enhancements:

• Upgrade to PHP 8.2 to leverage the latest features and performance improvements.
• Enhance platform interface and functionality, providing a better user experience.
• Introduce new useful commands:
  • drop: Allows deleting a database or table.
  • create database: Enables creating a new database.
  • search in db: Facilitates searching for data within the database.
  • execute query: Allows executing custom SQL queries.
  • show columns and show tables: Displays columns and tables in the database.