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PHP把数组转换成对象操作
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| <?php | |
| class Arr | |
| { | |
| private $arr = []; | |
| public function __construct($arr = []) | |
| { | |
| // init array | |
| if(is_array($arr)) { | |
| $this->arr = $arr; | |
| } else { | |
| $this->arr = unserialize($arr); | |
| } | |
| } | |
| public function __invoke($key) | |
| { | |
| // get array key | |
| return $this->arr[$key]; | |
| } | |
| public function __toString() | |
| { | |
| // return arr string save in mysql | |
| return serialize($this->arr); | |
| } | |
| public function __get($name) | |
| { | |
| // return arr val | |
| return $this->arr[$name]; | |
| } | |
| public function __set($key, $val) | |
| { | |
| // set arr val | |
| $this->arr[$key] = $val; | |
| } | |
| public function __isset($key) | |
| { | |
| // isset key result | |
| return isset($this->arr[$key]); | |
| } | |
| public function __unset($key) | |
| { | |
| // unset arr key | |
| unset($this->arr[$key]); | |
| } | |
| } | |
| $arr = new Arr([]); | |
| $arr('hello'); | |
| $arr->hello = 5; | |
| var_dump((string)$arr); | |
| unset($arr->hello); | |
| var_dump($arr->hello); | |
| $arr->world = 10; | |
| var_dump((string)$arr); |
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