How to add attributes in php

How to add attributes to php: 1. Create a PHP sample file; 2. Enter "error_reporting(-1);ini_set('display_errors','on');"; 3. Pass "$a- >add();" Just add attributes dynamically to the object.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How to add attributes to php?

php Dynamically add attributes to the object

Sample code

<?php
error_reporting(-1);
ini_set(&#39;display_errors&#39;,&#39;on&#39;);
 
class A { 
    public $a = &#39;hello&#39;;
 
    public function add() {
        $this->b = &#39;world&#39;;
    }-  
    public static function p() {
        echo &#39;world&#39;,PHP_EOL;
    }-  
}
 
$a = new A;
$a->add();
$a->c = &#39;test&#39;;
$a->p();
 
var_dump($a);

Output

world
object(A)#1 (3) {
  ["a"]=>
  string(5) "hello"
  ["b"]=>
  string(5) "world"
  ["c"]=>
  string(4) "test"
}

Supplement: The object can call the static method of the class to which the object belongs. For example,

$a->p();

recommends learning: "PHP Video Tutorial"

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