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php Programming Exercies

PHP Array Exercises : Difference of two multidimensional arrays

PHP Array: Exercise-57 with Solution

Write a PHP function to compares two multidimensional arrays and returns the difference.

Sample Solution:

PHP Code:

<?php
function key_compare($a,$b)
{
    if($a===$b)        
    return 0;
    return($a>$b)?1:-1;
}
function multidimenssional_array_diff($arr1, $arr2)
{
return array_diff_uassoc($arr1['c'], $arr2['c'],"key_compare");
}
//multidimenssional arrays
$color1=array('a'=>'White','b'=>'Red','c'=>array('a'=>'Green','b'=>'Blue','c'=>'Yellow'));
$color2=array('a'=>'White','b'=>'Red','c'=>array('a'=>'White','b'=>'Red','c'=>'Yellow'));
print_r(multidimenssional_array_diff($color1, $color2));
?>

Sample Output:

Array                                                       
(                                                           
    [a] => Green                                            
    [b] => Blue                                             
)

Flowchart:

Flowchart: PHP - Compares two multidimensional arrays and returns the difference

PHP Code Editor:

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Previous: Write a PHP script to create a two-dimensional array (4x4), initialized to 10.
Next: Write a PHP script to combine (using one array for keys and another for its values) the specified two arrays.

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