Comparison between JS dynamic adding method and PHP dynamic adding method

This time I will bring you a comparison between the JS dynamic adding method and the PHP dynamic adding method. What are the precautions for comparing the JS dynamic adding method and the PHP dynamic adding method? The following is a practical case, let's take a look.

1. JAVASCRIPT:

a. Code:

var a = function(){
}
var my_a = new a()
my_a.say = function(){
console.log('hello')
}
my_a.say()

b. Output:

hello

2. PHP:

a. Code:

<?php
class a{
}
$a = new a();
$a->say = function(){
echo "hello";
};
$say = $a->say;
$say();

b. Output:

hello

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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