Disable Joomla PHP Notices, Warnings and Errors
Disable PHP Version Warning







Go to Site > Global Configuration > Server > Error Reporting.
5 , none

System Default: this allows error reporting to be determined by the php.ini file on your server.
None will disable all error reporting.
Simple will show Errors and Warnings but won't show Notices.

Maximum will show Errors, Warnings and Notices.
Development will literally overwhelm you with feedback. If you're not a developer, please don't use this option.