php method of calling object

php Call the method of the object

php Call and introduce the object

Directly go to the instance :

Definition:

<?php
namespace app\php;
class a
{
    static $q = 888;
    public function index()
    {
        echo "1111";
    }
    
    static function debug()
    {
        echo "<br/>";
        echo 555;
    }
}

Usage:

<?php
namespace app\php;
include "./a.php";
class b
{
    public function b()
    {
        echo 111;
    }
}
 $b = new b();
$b ->b();
$a = new a();
$a ->index();
echo $a::$q;
$a::debug();

In PHP, for object properties (non-static) and methods (non-static), use "new" after coming out -> "This is consistent with access. Unlike other languages, use "." directly after new to access.

To access static data, use the "::" symbol to access it.

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