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| 1 | <?php |
| 2 | |
| 3 | namespace BO\Zmsentities\Helper; |
| 4 | |
| 5 | /** |
| 6 | * Get a property from an Array or ArrayAccess |
| 7 | */ |
| 8 | class Property implements \ArrayAccess |
| 9 | { |
| 10 | /** |
| 11 | * |
| 12 | * @var Mixed $access |
| 13 | * |
| 14 | */ |
| 15 | protected $access = null; |
| 16 | |
| 17 | /** |
| 18 | * |
| 19 | * @param Mixed $access |
| 20 | */ |
| 21 | public function __construct($access) |
| 22 | { |
| 23 | $this->access = $access; |
| 24 | } |
| 25 | |
| 26 | public static function create($access) |
| 27 | { |
| 28 | return new self($access); |
| 29 | } |
| 30 | |
| 31 | public function isAvailable() |
| 32 | { |
| 33 | //shorter to avoid extra unit testing |
| 34 | return (null !== $this->access) ? true : false; |
| 35 | } |
| 36 | |
| 37 | public function get($default = null) |
| 38 | { |
| 39 | if (null !== $this->access) { |
| 40 | return $this->access; |
| 41 | } |
| 42 | return $default; |
| 43 | } |
| 44 | |
| 45 | public function offsetGet($property) |
| 46 | { |
| 47 | return $this->__get($property); |
| 48 | } |
| 49 | |
| 50 | public function offsetExists($property) |
| 51 | { |
| 52 | return null !== $this->__get($property) |
| 53 | ->get(); |
| 54 | } |
| 55 | |
| 56 | public function offsetSet($offset, $value) |
| 57 | { |
| 58 | throw new \BO\Zmsentities\Exception\PropertyOffsetReadOnly( |
| 59 | __CLASS__ . "[$offset] is readonly, could not set " . htmlspecialchars($value) |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | public function offsetUnset($offset) |
| 64 | { |
| 65 | throw new \BO\Zmsentities\Exception\PropertyOffsetReadOnly(__CLASS__ . "[$offset] is readonly"); |
| 66 | } |
| 67 | |
| 68 | public function __get($property) |
| 69 | { |
| 70 | if ( |
| 71 | (is_array($this->access) && array_key_exists($property, $this->access)) || |
| 72 | ($this->access instanceof \ArrayAccess && $this->access->offsetExists($property)) |
| 73 | ) { |
| 74 | return new self($this->access[$property]); |
| 75 | } |
| 76 | if (is_object($this->access) && isset($this->access->$property)) { |
| 77 | return new self($this->access->$property); |
| 78 | } |
| 79 | return new self(null); |
| 80 | } |
| 81 | |
| 82 | public function __toString() |
| 83 | { |
| 84 | $string = $this->get(''); |
| 85 | if (! is_string($string)) { |
| 86 | $string = print_r($string, true); |
| 87 | } |
| 88 | return $string; |
| 89 | } |
| 90 | |
| 91 | public static function __keyExists($key, $data) |
| 92 | { |
| 93 | if (is_array($data)) { |
| 94 | return array_key_exists($key, $data); |
| 95 | } |
| 96 | |
| 97 | if ($data instanceof \ArrayObject && $data->offsetExists($key)) { |
| 98 | return true; |
| 99 | } |
| 100 | |
| 101 | if (is_object($data)) { |
| 102 | return property_exists($data, $key); |
| 103 | } |
| 104 | } |
| 105 | } |