string(25) "fetchValue with 4 params:"
string(1) "1"
string(25) "fetchValue with 3 params:"
NULL
string(26) "direct fetch and negation:"
string(1) "1"
bool(false)
string(17) "call isAvailable:"
bool(true)
string(51) "/home/salagom/booking/www/includes/availability.php"
int(4)