How to use array uintersect in PHP

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

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

  • In array_uintersect() function, user-define function compares array values, and returns a numeric value.

  • In array_uintersect() function, only the value is used in the comparison.

Syntax

array_uintersect(array1,array2,array3....,function)

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.

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

Example

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

<html>

<body>

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

    <?php

    function mydemo($s1,$s2)

    {

    if ($s1===$s2)

    {

    return 0;

    }

    if ($s1 > $s2) return 1;

    {

    return -1;

    }

    return 1;

    }

    $a1=array("a"=>"Student","b"=>"Teacher","c"=>"Worker");

    $a2=array(1=>"Teacher",2=>"Student",3=>"Engg.");

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

    print_r(array_uintersect($a1,$a2,"mydemo"));

    ?>

</body>

</html>

 

Output

uintersect.jpg

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