N.B. questions

N.B. answers

• Open and close connection to db or keep it
• Is there any disadvantages of unique column in MYSQL
• mysql cannot create foreign key
• Are there limitations in PHP session handling?
• PHP pdo bindParam type management
• php ZMQ push integration over http
• Laravel 5 losing sessions and .env configuration values in AJAX-intensive applications
• Speeding up a (slow) huge wordpress database
• laravel lumen Input class not found
• PHP: Best way to Generate an unique numeric ID