3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { function __construct() { $gay->b = "hello"; $this->a = "hi"; $this->val = "howdy"; $val = "a"; echo $this->{$val}; // outputs "hello" echo "\n"; $val = "b"; echo $gay->{$val}; // outputs "hi" echo "\n"; echo $this->val; //outputs "howdy" echo "\n"; echo $this->{"val"}; } } $foo = new foo();
based on 4D3Cl
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: Creating default object from empty value in /in/krPAd on line 5 hi hello howdy howdy
Output for 5.0.0 - 5.3.29
Strict Standards: Creating default object from empty value in /in/krPAd on line 5 hi hello howdy howdy
Output for 4.3.0 - 4.4.9