3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Parameters extends ArrayObject { public function __construct(array $values = null) { if (null === $values) { $values = array(); } parent::__construct($values, ArrayObject::ARRAY_AS_PROPS); } public function offsetGet($name) { if (isset($this[$name])) { return parent::offsetGet($name); } return null; } } $x = new Parameters(); var_dump($x['foo']); $x['foo'] = 'bar'; var_dump($x['foo']);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
NULL string(3) "bar"
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/oAs01 on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/oAs01 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_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/oAs01 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/oAs01 on line 3
Process exited with code 255.