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run code in 150+ php & hhvm versions
Bugs & Features
<?php class foo { function __construct() { $this->a = "hello"; $this->b = "hi"; $val = "a"; echo $this->{$val}; // outputs "hello" $val = "b"; echo $this->{$val}; // outputs "hi" } } $foo = new foo();
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
hellohi
Output for 4.3.0 - 4.4.9