PHP Multidimensional Array

Each element in the main array can also be an array, and each element in sub-array can be array, and so on. is called multidimensional array.
Values in the multidimensional array are accessed using multiple indexes.
Generally 2 or 3 dimensional array is used. it is difficult to manage more dimensional array.

Example:

Consider example of Marks in previous tutorial. if we have to store and access Marks of all student in the class.
Then we use multidimensional array as follows.

<?php
    $marks = array(
              "Raju" => array(
                          "Maths"=>"35", "Science"=>"36", "English"=>"35"),
              "Shyam" => array(
                          "Maths"=>"85", "Science"=>"89", "English"=>"78"),
              "Baburav" => array(
                          "Maths"=>"05", "Science"=>"01", "English"=>"07"),
             );
    
    echo "Raju Obtained Marks in Maths = ".$marks['Raju']['Maths'];
    echo "<br />";
    echo "Shyam Obtained Marks in Science = ".$marks['Shyam']['Science'];
    echo "<br />";
    echo "Baburav Obtained Marks in English = ".$marks['Baburav']['English'];
?>

Output:

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