narfbg/CodeIgniter — comment on commit d90387867fbc8e1d10058cf65805a7ae5c8cbaeb
File: system/database/drivers/sqlite/sqlite_forge.php line 111
By twobee:

Just for clarification, using empty() instead of isset() not only assures that the variable is assigned, it also checks if it have data in the same process. Avoids double checking and usually is faster. :)