3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class ArrayObjectChild extends ArrayObject { public function offsetExists($offset) { var_dump('Called: '.__METHOD__); return parent::offsetExists($offset); } public function offsetGet($offset) { var_dump('Called: '.__METHOD__); return parent::offsetGet($offset); } } $array = array('foo' => ''); echo "ArrayObject: empty string is set, but empty:\n"; $object = new ArrayObject($array); var_dump(isset($object['foo']), empty($object['foo']), $object->offsetExists('foo'), $object->offsetGet('foo')); echo "ArrayObject extended: empty string is set, but not empty\n"; $object = new ArrayObjectChild($array); var_dump(isset($object['foo']), empty($object['foo']), $object->offsetExists('foo'), $object->offsetGet('foo'));
Output for 5.6.7 - 7.1.0
ArrayObject: empty string is set, but empty: bool(true) bool(true) bool(true) string(0) "" ArrayObject extended: empty string is set, but not empty string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(true) bool(true) bool(true) string(0) ""
Output for 5.2.2 - 5.5.35
ArrayObject: empty string is set, but empty: bool(true) bool(true) bool(true) string(0) "" ArrayObject extended: empty string is set, but not empty string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(true) bool(false) bool(true) string(0) ""
Output for 5.2.1
ArrayObject: empty string is set, but empty: bool(true) bool(true) bool(false) string(0) "" ArrayObject extended: empty string is set, but not empty string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(false) bool(true) bool(false) string(0) ""
Output for 5.0.4 - 5.2.0
ArrayObject: empty string is set, but empty: bool(true) bool(false) bool(true) string(0) "" ArrayObject extended: empty string is set, but not empty string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(true) bool(false) bool(true) string(0) ""
Output for 5.0.0 - 5.0.3
ArrayObject: empty string is set, but empty: bool(true) bool(false) bool(true) string(0) "" ArrayObject extended: empty string is set, but not empty string(38) "Called: ArrayObjectChild::offsetExists" string(35) "Called: ArrayObjectChild::offsetGet" bool(true) bool(false) bool(true) string(0) ""
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/BFsdH on line 5
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/BFsdH on line 5
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/BFsdH on line 5
Process exited with code 255.