Hello,
I need to test a variable to see if it contains a value or not, and if
not, do something. My php is a little rusty, so which would be better?
if ( !$var )
{ echo "do something";}
or
if ( !isset($var )
{ echo "do something";}
or are both of those wrong, and if so, how hsoudl I check if a variable is
false, null, doesn't contain a value, etc...
What I am doing is checking a field in an sql table, and if the field is
null, empty, etc... then do something. so what is the best way to check
the field if its null, empty, etc...?
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