PHP method _set_state()

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<?php//  PHP魔术方法之__set_state()//该方法的唯一参数是一个数组，其中包含array(&#39;property&#39;=>value,...)格式排列的属性class A{
    public $var1;    public $var2;    public static function __set_state($an_array) // As of PHP 5.1.0
    {
        $obj = new A;        $obj->var1 = $an_array[&#39;var1&#39;];        $obj->var2 = $an_array[&#39;var2&#39;];        return $obj;
    }
}$a = new A;$a->var1 = 5;$a->var2 = &#39;foo&#39;;eval(&#39;$b = &#39; . var_export($a, true) . &#39;;&#39;); // $b = A::__set_state(array(
                                            //    &#39;var1&#39; => 5,
                                            //    &#39;var2&#39; => &#39;foo&#39;,
                                            // ));var_dump($b);?>

         

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<?php//  PHP魔术方法之__set_state()//该方法的唯一参数是一个数组，其中包含array(&#39;property&#39;=>value,...)格式排列的属性class A{
    public $var1;    public $var2;    public static function __set_state($an_array) // As of PHP 5.1.0
    {
        $obj = new A;        $obj->var1 = $an_array[&#39;var1&#39;];        $obj->var2 = $an_array[&#39;var2&#39;];        return $obj;
    }
}$a = new A;$a->var1 = 5;$a->var2 = &#39;foo&#39;;eval(&#39;$b = &#39; . var_export($a, true) . &#39;;&#39;); // $b = A::__set_state(array(
                                            //    &#39;var1&#39; => 5,
                                            //    &#39;var2&#39; => &#39;foo&#39;,
                                            // ));var_dump($b);?>

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