What does Zend_Db_Adapter_Abstract::fetchOne return on failure (i.e. no rows returned)?

Question

Doesn't seem that failure mode for that function is documented anywhere I've been able to find....

Answer 1

you can easily find it out yourself, do a call on that function with a statement which wont find a value, then just do

var_dump($myReturnValue);

and it will print the value including the return type :)

Answer 2

Although the Zend Abstract class states it returns an array, the PDO returns false on failure. Therefore the return is mixed: array or false