[object-oriented bootcamp] 7-statics-and-constants

You may see some articles on the web and it mentions that static is harmful. What do they mean by that? Is that true? Well, let's talk about this in this section.

Learn by example

Before the transformation, the dynamic invocation is as follows:

From the original dynamic transformation, the static call is as follows:

     
    
After being transformed into a static method, it can be called directly with the class name.
    
One more example.
    
Use of static variables:
    
         
 
   
    
    
Const identifier:
    
         
 
       
    
    
The Str class in Illuminate\support uses static and static variables in large numbers, such as:
    
         
    
    
         
Reference Links:
     
* Php5:const vs static
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