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<?php class ExtendedArrayObject extends ArrayObject { function offsetExists($offset) { echo __METHOD__, PHP_EOL; return parent::offsetExists($offset); } function offsetGet($offset) { echo __METHOD__, PHP_EOL; return parent::offsetGet($offset); } } class ExtendedArrayAccess implements ArrayAccess { private $data = array(); function __construct(array $array = array()) { $this->data = $array; } function offsetExists($offset) { return array_key_exists($offset, $this->data); } function offsetGet($offset) { return $this->data[$offset]; } function offsetSet($offset, $value) { $this->data[$offset] = $value; } function offsetUnset($offset) { unset($this->data[$offset]); } } function createInputs() { return array( array(), new ArrayObject(), new ExtendedArrayObject(), new ExtendedArrayAccess(), ); } class Tests { function isset_existing_key_with_not_empty_value($array) { $array['foo'] = 1; $this->expect(isset($array['foo']) === true, __FUNCTION__, $array); } function empty_existing_key_with_not_empty_value($array) { $array['foo'] = 1; $this->expect(empty($array['foo']) === false, __FUNCTION__, $array); } function isset_existing_key_with_empty_value($array) { $array['foo'] = 0; $this->expect(isset($array['foo']) === true, __FUNCTION__, $array); } function empty_existing_key_with_empty_value($array) { $array['foo'] = 0; $this->expect(empty($array['foo']) === true, __FUNCTION__, $array); } function isset_non_existent_key($array) { $this->expect(isset($array['foo']) === false, __FUNCTION__, $array); } function empty_non_existent_key($array) { $this->expect(empty($array['foo']) === true, __FUNCTION__, $array); } function isset_existing_key_with_null_value($array) { $array['foo'] = null; $this->expect(isset($array['foo']) === false, __FUNCTION__, $array); } function empty_existing_key_with_null_value($array) { $array['foo'] = null; $this->expect(empty($array['foo']) === true, __FUNCTION__, $array); } private function getType($v) { return is_array($v) ? 'array' : get_class($v); } private function expect($condition, $function, $array) { if (!$condition) { echo $this->getType($array), ' failed ', $function, PHP_EOL; } } } $tests = new Tests; foreach (get_class_methods($tests) as $test) { echo "$test:", PHP_EOL; foreach (createInputs() as $structure) { $tests->$test($structure); } echo PHP_EOL; }
Output for 5.6.8 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
isset_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists ExtendedArrayObject::offsetGet isset_existing_key_with_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_empty_value: ExtendedArrayObject::offsetExists ExtendedArrayObject::offsetGet isset_non_existent_key: ExtendedArrayObject::offsetExists empty_non_existent_key: ExtendedArrayObject::offsetExists isset_existing_key_with_null_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed isset_existing_key_with_null_value ExtendedArrayAccess failed isset_existing_key_with_null_value empty_existing_key_with_null_value: ExtendedArrayObject::offsetExists ExtendedArrayObject::offsetGet
Output for 5.3.11 - 5.3.29, 5.4.1 - 5.5.35
isset_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists isset_existing_key_with_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_empty_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_empty_value isset_non_existent_key: ExtendedArrayObject::offsetExists empty_non_existent_key: ExtendedArrayObject::offsetExists isset_existing_key_with_null_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed isset_existing_key_with_null_value ExtendedArrayAccess failed isset_existing_key_with_null_value empty_existing_key_with_null_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_null_value
Output for 5.2.2 - 5.3.10, 5.4.0
isset_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists isset_existing_key_with_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_empty_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_empty_value isset_non_existent_key: ExtendedArrayObject::offsetExists empty_non_existent_key: ExtendedArrayObject::offsetExists isset_existing_key_with_null_value: ArrayObject failed isset_existing_key_with_null_value ExtendedArrayObject::offsetExists ExtendedArrayObject failed isset_existing_key_with_null_value ExtendedArrayAccess failed isset_existing_key_with_null_value empty_existing_key_with_null_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_null_value
Output for 5.2.1
isset_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists isset_existing_key_with_empty_value: ExtendedArrayObject::offsetExists ExtendedArrayObject failed isset_existing_key_with_empty_value empty_existing_key_with_empty_value: ExtendedArrayObject::offsetExists isset_non_existent_key: ExtendedArrayObject::offsetExists empty_non_existent_key: ExtendedArrayObject::offsetExists isset_existing_key_with_null_value: ArrayObject failed isset_existing_key_with_null_value ExtendedArrayObject::offsetExists ExtendedArrayAccess failed isset_existing_key_with_null_value empty_existing_key_with_null_value: ExtendedArrayObject::offsetExists
Output for 5.1.0 - 5.2.0
isset_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_not_empty_value: ExtendedArrayObject::offsetExists isset_existing_key_with_empty_value: ExtendedArrayObject::offsetExists empty_existing_key_with_empty_value: ArrayObject failed empty_existing_key_with_empty_value ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_empty_value isset_non_existent_key: ExtendedArrayObject::offsetExists empty_non_existent_key: ExtendedArrayObject::offsetExists isset_existing_key_with_null_value: ArrayObject failed isset_existing_key_with_null_value ExtendedArrayObject::offsetExists ExtendedArrayObject failed isset_existing_key_with_null_value ExtendedArrayAccess failed isset_existing_key_with_null_value empty_existing_key_with_null_value: ArrayObject failed empty_existing_key_with_null_value ExtendedArrayObject::offsetExists ExtendedArrayObject failed empty_existing_key_with_null_value
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/iL2eK on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/iL2eK on line 14
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/iL2eK on line 14
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/iL2eK on line 14
Process exited with code 255.