Chris Hepner questions

Chris Hepner answers

• Sending SMS through Twilio using PHP
• Detect and edit external links
• Why is my number value changing using number_format()?
• An alternative to php tidy?
• Are we really secured from CSRF?
• PHP $_REQUEST $_GET or $_POST
• Check if session is set or not, and if not create one?
• calculate which timezones have a specific current local time on PHP