In MySQL, which is more efficient: IFNULL or NULLIF?
These two MySQL functions do the same thing: or Which one is more efficient? ...
These two MySQL functions do the same thing: or Which one is more efficient? ...
Is there a better way besides isset() or empty() to test for an empty variable? ...
Two parts to this question 1) Is this understanding of what's going on correct? "if (obj)" is testing to see if the pointer is not 0x0, aka set to an ...