php中對象轉換數組與數群組轉換對象執行個體

用stdClass轉換數組為對象                                                                                  

Php代碼

代碼如下

複製代碼

$arr = array();                                            $arr['a'] = 1;                                               $arr['b'] = 2;                                               $arr['c'] = 3;                                               $arr = array();                                           $arr['a'] = 1;                                              $arr['b'] = 2;                                              $arr['c'] = 3;

用stdClass轉換後：

Php代碼

代碼如下

複製代碼

$object   = new StdClass;                          $object->a = 1;                                          $object->b = 2;                                          $object->c = 3;                                          $object   = new StdClass;                           $object->a = 1;                                           $object->b = 2;                                           $object->c = 3;

stdClass是PHP的一個基類，所有的類幾乎都繼承這個類，所以任何時候都可以被new，可以讓這個變數成為一個object。同時，這個基類又有一個特殊的地方，就是沒有方法

我應用的地方是simplexml中的simplexml_load_string()上，因為返回的全是對象，如果提取資料比較麻煩，所以應用了下面的函數

代碼如下	複製代碼
function object_to_array($obj) { $_arr = is_object($obj) ? get_object_vars($obj) : $obj; foreach ($_arr as $key => $val) { $val = (is_array($val) || is_object($val)) ? object_to_array($val) : $val; $arr[$key] = $val; } return $arr; }

數群組轉換成對象

代碼如下	複製代碼
<?php $array = array(1 => php,             2 => java,             3 => c );  $arrayobject = new ArrayObject($array);  var_dump($arrayobject);  ?>

運行結果：

代碼如下	複製代碼
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(3) { [1]=> string(3) "php" [2]=> string(4) "java" [3]=> string(3) "c " }}

一個類：ArrayObject，可以直接將數組轉化為對象                                             

Php代碼

代碼如下

複製代碼

$array = array('1' => 'one',                                      '2' => 'two',                                                 '3' => 'three');                              $arrayobject = new ArrayObject($array);   var_dump($arrayobject);                            $array = array('1' => 'one',                                        '2' => 'two',                                                 '3' => 'three');                              $arrayobject = new ArrayObject($array);   var_dump($arrayobject);

                     
結果：

代碼如下

複製代碼

Php代碼 object(ArrayObject)#1 (3) {                        [1]=>                                                        string(3) "one"                                         [2]=>                                                        string(3) "two"                                          [3]=>                                                        string(5) "three"                                       }