Ziumin questions

Ziumin answers

• CSRF risk in Ajax
• symfony2 - file upload lost upon form error
• How to develop libraries for symfony while keeping the library code framework independent
• AuthenticationSuccessHandler, redirect after login and referrer
• What does the \x1a characters mean
• Passing "null" encryption from parameters.ini and using it in config.yml
• What is the correct way of handling errors and warnings on filesystem functions in PHP?
• Change locale multiple times in symfony command
• Optimizing array merge operation
• Log request and response with Event Listener in Symfony2