Php array_flip đa chiều

Mảng nhiều chiều là loại mảng lưu trữ một mảng khác tại mỗi chỉ mục thay vì một phần tử. Nói cách khác, định nghĩa mảng nhiều chiều là mảng của mảng. Như tên gợi ý, mọi phần tử trong mảng này có thể là một mảng và chúng cũng có thể chứa các mảng con khác bên trong. Mảng hoặc mảng con trong mảng đa chiều có thể được truy cập bằng nhiều chiều

kích thước. Kích thước của mảng nhiều chiều cho biết số chỉ số cần thiết để chọn một phần tử. Đối với mảng hai chiều, hai chỉ số để chọn một phần tử

mảng hai chiều. Đây là dạng đơn giản nhất của mảng nhiều chiều. Nó có thể được tạo bằng cách sử dụng mảng lồng nhau. Các loại mảng này có thể được sử dụng để lưu trữ bất kỳ loại phần tử nào, nhưng chỉ mục luôn là một số. Theo mặc định, chỉ mục bắt đầu bằng số không

cú pháp

array (
    array (elements...),
    array (elements...),
    ...
)

Php array_flip đa chiều



Thí dụ

 

// PHP program to create 

// multidimensional array

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
1

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
2

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
3
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
4
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
9

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
1

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
5
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
6
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
7
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
6
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
9
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
4_______11_______6
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
6
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
6
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
9

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
2

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
3
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
3
Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
6

/div>

đầu ra.

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)

Mảng kết hợp hai chiều. Mảng kết hợp tương tự như mảng được lập chỉ mục nhưng thay vì lưu trữ tuyến tính (lưu trữ được lập chỉ mục), mọi giá trị có thể được gán bằng khóa do người dùng xác định thuộc loại chuỗi

Thí dụ

 

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
9

95
95 85 74
78 98 46
88 46 99
0

95
95 85 74
78 98 46
88 46 99
1
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
4_______1_______5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
95
95 85 74
78 98 46
88 46 99
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
5 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

3

4____198_______5

47

4____198_______9  0

4 2  3

4 5  6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

3

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8// PHP program to create 1

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
7 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5_______1_______6

3

4____198_______5

47

49 // multidimensional array4

4 2 // multidimensional array7

4____199_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
00

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
05

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
07 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

3

4____198_______5

47

4____198_______9

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
18

4 2

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
00

4____199_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
24

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
29
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
30
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
31

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
3
95
95 85 74
78 98 46
88 46 99
1
Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
6

đầu ra.

Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)

Mảng ba chiều. Nó là dạng của mảng nhiều chiều. Khởi tạo mảng 3 chiều cũng giống mảng 2 chiều. Sự khác biệt là khi số lượng kích thước tăng lên thì số lượng dấu ngoặc lồng nhau cũng sẽ tăng lên

cú pháp

array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)

Php array_flip đa chiều

Thí dụ

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
39

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
40

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
42

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
3
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
4
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

4_______1_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
52

4_______1_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
55

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

4_______1_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
63

4_______1_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
66

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
2

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
3
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
3
Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
0

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)
6

đầu ra.

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [0] => 1
                    [1] => 2
                )

            [1] => Array
                (
                    [0] => 3
                    [1] => 4
                )

        )

    [1] => Array
        (
            [0] => Array
                (
                    [0] => 5
                    [1] => 6
                )

            [1] => Array
                (
                    [0] => 7
                    [1] => 8
                )

        )

)

Truy cập các phần tử mảng nhiều chiều. Có hai cách chủ yếu để truy cập các phần tử mảng đa chiều trong PHP

  • Các phần tử có thể được truy cập bằng cách sử dụng các kích thước như tên_mảng[‘thứ nguyên đầu tiên’][‘thứ nguyên thứ hai’]
  • Các phần tử có thể được truy cập bằng cách sử dụng vòng lặp for
  • Các phần tử có thể được truy cập bằng cách sử dụng cho mỗi vòng lặp

Thí dụ

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
78

// multidimensional array

 

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
1

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
82

95
95 85 74
78 98 46
88 46 99
1
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
4_______1_______5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
95
95 85 74
78 98 46
88 46 99
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
5 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

3

4

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
97

47

4____198_______9  0

4 2  3

4 5  6

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

3

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8// PHP program to create 1

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Display Marks: 
Array
(
    [Ankit] => Array
        (
            [C] => 95
            [DCO] => 85
            [FOL] => 74
        )

    [Ram] => Array
        (
            [C] => 78
            [DCO] => 98
            [FOL] => 46
        )

    [Anoop] => Array
        (
            [C] => 88
            [DCO] => 46
            [FOL] => 99
        )

)
7 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5_______1_______6

3

4

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
97

47

49 // multidimensional array4

4 2 // multidimensional array7

4____199_______5

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
00

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
array (
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    array (
        array (elements...),
        array (elements...),
        ...
    ),
    ...
)
0

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
7

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
05

Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
8
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
07 0
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
5
Array
(
    [0] => Array
        (
            [0] => Ankit
            [1] => Ram
            [2] => Shyam
        )

    [1] => Array
        (
            [0] => Unnao
            [1] => Trichy
            [2] => Kanpur
        )

)
6

3

4____198_______5

47

4____198_______9

Array
(
    [0] => Array
        (
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18

4 2

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00

4____199_______5

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24

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8
array (
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)
0

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        )

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)
0

 

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62

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7

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64

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65

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29
95
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78 98 46
88 46 99
1
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68
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70
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71
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72
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73
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74

Array
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7

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76

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77_______1_______6
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78 98 46
88 46 99
1
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80
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81
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82

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8
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29
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81
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68
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71
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88
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73
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90
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81
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68
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74