<?php
$_array = array( 'value1' , 'value2' , 'value3' );


$arrays = array( 'value1' , 'value4' , 'value3' );
$result = array_diff_assoc( $arrays , $_array );
print_r( $result );

$arrays = array( 'value1' , 'value3' , 'value2' );
$result = array_diff_assoc( $arrays , $_array );
print_r( $result );

$arrays = array( 'value1' , 'value2' , 'value3' );
$result = array_diff_assoc( $arrays , $_array );
print_r( $result );

// your code goes here