Online PHP editor | output for UdeTq

@ 2013-05-06T20:21:17Z

<?php
class foo {
    function __construct() {

        $this->a = "hello";
        $this->b = "hi";
        $this->val = "howdy";

        $val = "a";
        echo $this->{$val}; // outputs "hello"

        echo "\n";

        $val = "b";
        echo $this->{$val}; // outputs "hi"

        echo "\n";
        echo $this->val; //outputs "howdy"

        echo "\n";
        echo $this->{"val"};
    }

}

$foo = new foo();

Output for 8.2.0 - 8.2.26, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2: Deprecated: Creation of dynamic property foo::$a is deprecated in /in/UdeTq on line 5 Deprecated: Creation of dynamic property foo::$b is deprecated in /in/UdeTq on line 6 Deprecated: Creation of dynamic property foo::$val is deprecated in /in/UdeTq on line 7 hello hi howdy howdy
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31: hello hi howdy howdy

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