How to use array intersect in PHP

In this article, I will explain how the array() function can be used in PHP.
  • 1887

array_intersect() function in PHP

  • array_intersect() function compares two or more arrays, if the value is present in all of the other arrays, it returns an array with the values and keys from the first array.
  • In  array_intersect() function, only the value is used in the comparison.

Syntax

array_intersect(array1,array2,array3....)

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.

Example

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

<html>

<body>

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

    <?php

    $a1=array(0=>"student",1=>"Teacher",2=>"Worker");

    $a2=array(3=>"Teacher",4=>"Worker",5=>"Advocate");

    print_r(array_intersect($a1,$a2));

    ?>

</body>

</html>

 

Output

intersect.jpg

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