Green Black questions

Green Black answers

• Call to a member function query() on a non-object
• PHP Undefined index: HTTP_USER_AGENT
• cron job that kills a process after 5 hours
• run ffmpeg from PHP web script
• Extract first URL Segment from full URL
• Alternative to mb_convert_encoding with HTML-ENTITIES charset
• Running php script as cron job - timeout issues?
• Random number that is 15 characters long and positive
• CodeIgniter form validation, cannot get validation error