PHP 中的物件運算子

<?php
$demo_obj = (object) array('1' => 'John','2' => 'Shawn','3' => 'Michelle');
echo $demo_obj->{'1'}."<br>";
echo $demo_obj->{'2'}."<br>";
echo $demo_obj->{'3'};
?>

John
Shawn
Michelle

<?php
class Demo_Class {
	public $demo;
    public $demo1 = "This is delftstack";

    public function Demo_Method() {
    echo "This is delftstack from demo method.";
    }
}
$demoinstance = new Demo_Class();

$demoinstance->demo="delftstack"; // Assign "delftstack" to "demo" variable
echo $demoinstance->demo;
echo "<br>";
echo $demoinstance->demo1; //print demo 1
echo "<br>";
$demoinstance->Demo_Method(); // Run "Demo_Method()"
?>

delftstack
This is delftstack
This is delftstack from demo method.