Jonathan Kuhn questions

Jonathan Kuhn answers

• PHP array_merge that ignores key values that are not in the first/base array
• Can this be done in 1 line?
• Set Private Class Variables Permanently PHP
• Masking a social security number
• How to exclude a symbol within [ ] with RegEx
• How to preserve POST data via ajax request after a .htaccess redirect?
• Explain this UTF-8 detection regex
• $_GET with Switch Statement
• why is a @ symbol required for some DateTime objects in php
• session_regenerate_id() vs session_id(randomString)