小编Tou*_*ner的帖子

您好我正在学习PHP并在使用print_r之后遇到了这个多级数组 $this->root

 Array ( 
    [0] => 9 
    [obj] => 3562 
    [gen] => 0 
    [1] => Array ( 
        [0] => 5 
        [1] => Array ( 
            [/AcroForm] => Array ( 
                [0] => 8 
                [1] => 3563 
                [2] => 0 
                ) 
            [/Metadata] => Array ( 
                [0] => 8 
                [1] => 3559 
                [2] => 0 
                ) 
            [/PageLabels] => Array ( 
                [0] => 8 
                [1] => 3389 
                [2] => 0 
                ) 
            [/Pages] => Array ( 
                [0] => 8 
                [1] => 3392 
                [2] => 0 
                ) …