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run code in 150+ php & hhvm versions
Bugs & Features
<?php abstract class FooBase { private $money; function __construct($money) { $this->money = $money; } function getMoney() { return $this->money; } } class Foo extends FooBase { private $money; function getMoney() { return '$' . parent::getMoney(); } function setMoney($money) { $this->money = $money; } } class Bar extends Foo { private $money; function getMoney() { return '$' . $this->money; } function setMoney($money) { $this->money = $money; } } class Baz extends Bar { protected $money; } var_dump('foo'); $foo = new Foo(12345); var_dump($foo->getMoney()); $foo->setMoney(67890); var_dump($foo->getMoney()); var_dump('bar'); $bar = new Bar(12345); var_dump($bar->getMoney()); $bar->setMoney(67890); var_dump($bar->getMoney()); var_dump('baz'); $baz = new Baz(12345); var_dump($baz->getMoney()); $baz->setMoney(67890); var_dump($baz->getMoney());
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
string(3) "foo" string(6) "$12345" string(6) "$12345" string(3) "bar" string(1) "$" string(6) "$67890" string(3) "baz" string(1) "$" string(6) "$67890"
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/WMFFt on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_CLASS in /in/WMFFt on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WMFFt on line 2
Process exited with code 255.