How to use array diff uassoc in PHP

In this article, I will explain how the array() function can be used in PHP.
  • 2140

array_diff_uassoc() function in PHP

  • The array_diff_uassoc() function compares two or more arrays checking for differences with additional user supplied function.

  • In array_diff_uassoc() function, both the key and the value is used in the comparison and in the user-defined function, only the keys are being compared.




  • array1 array1 is required parameter. The first array is the array which will be compared with other arrays.

  • array2 array2 is required parameter. An array to be compared with the first array.

  • array3 array3 is optional parameter. An array to be compared with the first array.

  • function function is required parameter. The function made by user.


The following example show to how the array_diff_uassoc() function can be used in PHP.

<h3 style="color: brown;">array_diff_uassoc() function example in PHP</h3>
<?php function mydemo($a1,$a2)
if ($a1===$a2)
return 0;
if ($a1>$a2)
return 1;
return -1;




You may also want to read these related articles here
Ask Your Question 
Got a programming related question? You may want to post your question here


More Articles

© 2020 DotNetHeaven. All rights reserved.