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<?php interface Arrayable { public function toArray(); } class Item implements Arrayable { protected $attributes = array(); protected $primaryKey = null; protected $someOtherAttribute = true; public function __construct($attributes) { $this->attributes = $attributes; } public function toArray() { return $this->attributes; } } Class ItemCollection implements Arrayable { protected $items = array(); public function addItem(Item $item) { $this->items[] = $item; } public function toArray() { $result = array(); foreach ($this->items as $item){ $result[] = $item->toArray(); } return $result; } } $array = array('foo', 'bar', 'baz'); $item = new Item($array); var_dump((array) $item); var_dump($item->toArray()); $collection = new ItemCollection(); $collection->addItem($item); $collection->addItem($item); var_dump((array) $collection); var_dump($collection->toArray());
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { ["*attributes"]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["*primaryKey"]=> NULL ["*someOtherAttribute"]=> bool(true) } array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } array(1) { ["*items"]=> array(2) { [0]=> object(Item)#1 (3) { ["attributes":protected]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["primaryKey":protected]=> NULL ["someOtherAttribute":protected]=> bool(true) } [1]=> object(Item)#1 (3) { ["attributes":protected]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["primaryKey":protected]=> NULL ["someOtherAttribute":protected]=> bool(true) } } } array(2) { [0]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } [1]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
array(3) { ["*attributes"]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["*primaryKey"]=> NULL ["*someOtherAttribute"]=> bool(true) } array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } array(1) { ["*items"]=> array(2) { [0]=> object(Item)#1 (3) { ["attributes:protected"]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["primaryKey:protected"]=> NULL ["someOtherAttribute:protected"]=> bool(true) } [1]=> object(Item)#1 (3) { ["attributes:protected"]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } ["primaryKey:protected"]=> NULL ["someOtherAttribute:protected"]=> bool(true) } } } array(2) { [0]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } [1]=> array(3) { [0]=> string(3) "foo" [1]=> string(3) "bar" [2]=> string(3) "baz" } }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/laNh9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/laNh9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/laNh9 on line 3
Process exited with code 255.

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