3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php final class Immutable { private $somePropertyThatShouldntBeChanged; public function __construct($value) { $this->somePropertyThatShouldntBeChanged = $value; } public function getValue() { return $this->somePropertyThatShouldntBeChanged; } } $foo = new Immutable('immutable value'); echo $foo->getValue() . PHP_EOL; $foo->__construct('not immutable value'); echo $foo->getValue() . PHP_EOL;
Output for 5.0.2 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.7
immutable value not immutable value
Output for 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0BuZUQ on line 19 immutable valuePHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/0BuZUQ on line 23 not immutable valuePHP_EOL
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CLASS in /in/0BuZUQ on line 3
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/0BuZUQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/0BuZUQ on line 3
Process exited with code 255.