什么$ shipping_modules =新运费（$ shipping）; 意思？

Question

What does the following code mean?

$shipping_modules = new shipping($shipping);

Answer 1

...

$shipping_modules = new shipping($shipping);

The new instance of class shipping is assigned to variable $shipping_modules there by allowing you to access class methods/properties. Finally, $shipping variable is passed to the constructor of shipping class.

$shipping_modules = new shipping($shipping);
        1            2      3        4         

where:

1. assigns new instance of shipping class to $shipping_modules variable
2. new operator to create instance of the class
3. The class name eg shipping
4. The variable $shipping passed to constructor of the class.

See PHP OOP Tutorial