PHP printed boolean value is empty, why?

Be careful when you convert back and forth with boolean, the manual says: A boolean TRUE value is converted to the string “1”. Boolean FALSE is converted to “” (the empty string). This allows conversion back and forth between boolean and string values. So you need to do a: echo (int)$local_rates_file_exists.”<br>”;

Converting bool to text in C++

How about using the C++ language itself? bool t = true; bool f = false; std::cout << std::noboolalpha << t << ” == ” << std::boolalpha << t << std::endl; std::cout << std::noboolalpha << f << ” == ” << std::boolalpha << f << std::endl; UPDATE: If you want more than 4 lines of code … Read more

How to convert String object to Boolean Object?

Try (depending on what result type you want): Boolean boolean1 = Boolean.valueOf(“true”); boolean boolean2 = Boolean.parseBoolean(“true”); Advantage: Boolean: this does not create new instances of Boolean, so performance is better (and less garbage-collection). It reuses the two instances of either Boolean.TRUE or Boolean.FALSE. boolean: no instance is needed, you use the primitive type. The official … Read more