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run code in 150+ php & hhvm versions
Bugs & Features
<?php class Hoge implements ArrayAccess { public function offsetExists($offset) { var_dump(__METHOD__); return false; } public function offsetGet($offset) { var_dump(__METHOD__); return null; } public function offsetSet($offset, $value) {} public function offsetUnset($offset) {} } $o = new Hoge(); var_dump(empty($o[123])); var_dump(isset($o[123]));
Output for 5.0.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(18) "Hoge::offsetExists" bool(true) string(18) "Hoge::offsetExists" bool(false)
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/g8rbA 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_STRING, expecting '{' in /in/g8rbA on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/g8rbA on line 2
Process exited with code 255.