Leandro Garcia questions

• require username and password
• permission denied upon mkdir
• filter_var() accepts invalid URL
• strip_tags disallow some tags
• date time paypal return
• codeigniter active record where, or_where?
• How to display Germany Umlauts (ü, ä, ö) from sql in Php?
• double checking GitLab installation : gitlab-shell self-check failed
• cron job minute before tomorrow
• GitLab postfix configuration mail not sending

Leandro Garcia answers