How to use array udiff uassoc in PHP

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

  • The array_udiff_uassoc() function is used to compares two or more arrays, in two user-define functions.

  • The array_udiff_uassoc() function returns an array containing the elements from the first array.

  • In array_udiff_assoc() function, the key is used for comparison in the first function.

  • In array_udiff_assoc() function, the value is used for comparison in the second function.

Syntax

array_udiff_uassoc(array1,array2,array3....,function1,function2)

Parameter

  • 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.

  • function1 function1 is required parameter. The function define by user that compares the array keys.

  • function2 function2 is required parameter. The function define by user that compares the array value.

Example

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

<html>

<body>

<h3 style="color: red;">array_udiff_uassoc() function example in PHP</h3>

    <?php

    function mydemo_key($s1,$s2)

    {

    if ($s1===$s2)

     {

    return 0;

    }

    return 1;

    }

    function mydemo_value($s1,$s2)

    {

    if ($s1===$s2)

     {

     return 0;

     }

    return 1;

    }

    $a1=array("a"=>"Nitin","b"=>"Priyanka","c"=>"Sachin");

    $a2=array("a"=>"Ravi","b"=>"Nitin","c"=>"Priyanka");

    echo("After array_udiff_uassoc function value is <br/>");

    print_r(array_udiff_uassoc($a1,$a2,"mydemo_key","mydemo_value"));

    ?>

</body>

</html>

 

Output

udiff-uassoc.jpg

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