- php - difference between two dates
- php - work with string
- php check if localhost
- php check if string contains substring
- php compare two dates
- php create zip
- php delete an element from an array
- php get first element of an array
- php get real IP address
- php headers and mime types
- php odd even
- PHP parse XML
- php quotes
- php remove trailing zeros of a decimal number
- php var_dump vs print_r vs var_export
- php wrap every N elements
- php.ini
- php cut string utf-8
- Enable Virtual hosts in apache
