How to use array diff in PHP

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

  • The array_diff() function compares two or more arrays, and returns an array with the keys and values from the first array.

  • The array_diff() function is used to find the difference of given arrays.

Syntax

array_diff(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_diff() function can be used in PHP.

<h3 style="color:green;">array_diff() function example in PHP</h3>
<?php
$i1=array(0=>"Student",1=>"Doctor",2=>"Advocate");
$i2=array(3=>"Student",4=>"Doctor",5=>"Worker");
print_r(array_diff($i1,$i2));
?>

 

Output

difference.jpg

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