Difference between constructor and destructor?
Constructor is a special function which is automatically called when an object is created.
Constructor is used to initialise the class member.
In php constructor is a function __CONSTRUCT.
Destructor is a special function which is automatically call when an object goes out of the scope.
In php destructor is created with a name __DESTRUCT.
Destructor is used to write the cleanup code that release all the resources associated with your object.