Sergey Eremin questions

Sergey Eremin answers

• Performance: file_get_contents(), Relative and Absolute URLs
• Hosting a website on a PC using apache(Xampp) [closed]
• Object could not be converted to string?
• PHP signup form validation
• Best practice for returning "error" from a function
• file_get_contents create file is not exists
• How to identify which radio button is accepted?
• Make my own api with oauth
• How to calculate how much RAM redis needs?
• What is the right way to load dependencies in PHP?