Multi-dimensional arrays is a type of arrays which stores an another array at each index instead of single element. In simple words, multi-dimensional arrays as array of arrays, every element in this array can be an array and they can also hold other sub-arrays within. Arrays or sub-arrays in multidimensional arrays can be accessed using multiple dimensions.
Dimensions of multidimensional array indicates the number of indices needed to select an element. For a two dimensional array two indices to select an element.
Associative array: Al associative array is similar to indexed array but instead of linear storage (indexed storage), every value can be assigned with a user-defined key of string type. Example :-
| //Associative array is kind of array which is used to define keys at the place of index of aary. | |
| //Associative array example | |
| $newArray1 = [ | |
| "new1" => "manishkumar", | |
| "new2" => "amitkumar", //--> This is Value and left side is "Keys" | |
| "new3" => 19, | |
| "new5" => 90, | |
| "new6" => True, | |
| "new7" => False, | |
| "new8" => NULL | |
| ]; | |
| echo "<pre>"; | |
| print_r($newArray1); | |
| echo "</pre>"; | |
| echo "<br><br><br>"; | |
| echo $newArray1["new3"] . "<br>"; | |
| echo $newArray1["new5"] . "<br>"; | |
| echo $newArray1["new6"] . "<br>"; | |
| echo $newArray1["new7"] . "<br>"; | |
| echo $newArray1["new8"] . "<br>"; |
Output :-
Array
(
[new1] => manishkumar
[new2] => amitkumar
[new3] => 19
[new5] => 90
[new6] => 1
[new7] =>
[new8] =>
)
19
90
1
Multidimensional Array : It is the form of multidimensional array. Initialization in Three-Dimensional array is same as that of Two-dimensional arrays. The difference is as the number of dimension increases so the number of nested braces will also increase.
Accessing multidimensional array elements: There are mainly two ways to access multidimensional array elements in PHP.
- Elements can be accessed using dimensions as array_name[‘first dimension’][‘second dimension’].
- Elements can be accessed using for loop.
- Elements can be accessed using for each loop.
| <?php | |
| //Multi - Dimensional Array. | |
| $newArray = [ | |
| [1, "Mukesh", "Manager", "Digital Marketing", 50000], | |
| [2, "Nitesh", "Asst Manager", "Software Develoer", 35000], | |
| [3, "Nilotma", "Senior Manager", "Tech team", 76000], | |
| [4, "ritesh", "Junior Manager", "SEO", 15000], | |
| [5, "Rakesh", "Area Manager", "Sales Marketing", 40000] | |
| ]; | |
| //Hera we gonna put all this data in tabular Form with the help of FOR Loop. | |
| for($i = 0;$i < 5;$i++){ | |
| for($j = 0;$j < 5;$j++){ | |
| echo $newArray[$i][$j] . " "; | |
| } | |
| echo "<br>"; //After each rotation it will take a break line. | |
| } | |
| echo "<br><br><hr>"; | |
| //We can also make this in Table form. | |
| echo "<table border = '2px' cellpadding = '5px' cellspacing = '0'>"; // using TABLE in html. | |
| echo "<tr>; | |
| <th>Emp Id</th> | |
| <th>Emp Name</th> | |
| <th>Emp Designation</th> | |
| <th>Emp Department</th> | |
| <th>Emp Salary</th> | |
| </tr>"; | |
| for($i = 0;$i < 5;$i++){ | |
| echo "<tr>"; | |
| for($j = 0;$j < 5;$j++){ | |
| echo "<td>" . $newArray[$i][$j] . "</td>"; | |
| } | |
| echo "</tr>"; //After each rotation it will take a break line. | |
| } | |
| echo "</table>"; | |
| echo "<br><br><hr>"; | |
| //Same Multi-dimensional Array we can write in FOR Each loop too. | |
| //lets take a example. | |
| $newArray1 = [ | |
| [1, "Manish", "Manager", "Area Manager", 73000], | |
| [2, "Kumar", "Senior Manager", "Tech team", 65000], | |
| [3, "Kumari Puja", "Junior Manager", "Technical deptt", 66000], | |
| [4, "Nillu Kumari", "Asst Manager", "Software Devloper", 35000], | |
| [5, "Sita prasad", "Software Develoer", "Sales Area Manager", 48000] | |
| ]; | |
| //we can also write it in Table Format. | |
| echo "<table border = '1px' cellpadding = '5px' cellspacing = '0'>"; | |
| echo "<tr>; | |
| <th>Emp Id</th> | |
| <th>Emp Name</th> | |
| <th>Emp Designation</th> | |
| <th>Emp Department</th> | |
| <th>Emp Salary</th> | |
| </tr>"; | |
| foreach($newArray1 as $value1){ | |
| echo "<tr>"; | |
| foreach($value1 as $value2){ | |
| echo "<td>$value2</td>"; | |
| } | |
| echo "<tr>"; | |
| } | |
| echo "</table>"; | |
| ?> |
Output:-
1 Mukesh Manager Digital Marketing 50000
2 Nitesh Asst Manager Software Develoer 35000
3 Nilotma Senior Manager Tech team 76000
4 ritesh Junior Manager SEO 15000
5 Rakesh Area Manager Sales Marketing 40000
| Emp Id | Emp Name | Emp Designation | Emp Department | Emp Salary |
|---|---|---|---|---|
| 1 | Mukesh | Manager | Digital Marketing | 50000 |
| 2 | Nitesh | Asst Manager | Software Develoer | 35000 |
| 3 | Nilotma | Senior Manager | Tech team | 76000 |
| 4 | ritesh | Junior Manager | SEO | 15000 |
| 5 | Rakesh | Area Manager | Sales Marketing | 40000 |
;
| Emp Id | Emp Name | Emp Designation | Emp Department | Emp Salary |
|---|---|---|---|---|
| 1 | Manish | Manager | Area Manager | 73000 |
| 2 | Kumar | Senior Manager | Tech team | 65000 |
| 3 | Kumari Puja | Junior Manager | Technical deptt | 66000 |
| 4 | Nillu Kumari | Asst Manager | Software Devloper | 35000 |
| 5 | Sita prasad | Software Develoer | Sales Area Manager | 48000 |
Copy code and use it by yourself on your editor for better understanding of Output.
Thank You !!