Amir Hassan Azimi questions

Amir Hassan Azimi answers

• Bootstrap 4 Beta importing Popper.js with Webpack 3.x throws Popper is not a constructor
• mysqli fetch_all() not a valid function?
• Using in_array on collections
• laravel validation rule for only letters
• Debian wheezy upgrade php 5.4 to 5.5
• Update plan cost in Stripe
• How to check whether the Redis server is running
• Gem::LoadError for mysql2 gem, but it's already in Gemfile
• Sublime Text 3 PHP UNIT