<?php

	$array1 = array( "policarpo", "genesio", "felisbino", "jodas" );
	$array2 = array( "policarpo", "genesio", "wilfredo", "jodas" );
	
	$result = array_diff (
	   array_unique( array_merge($array1, $array2) ),
	   array_unique( array_intersect( $array1, $array2 ) )
	);
	print_r($result);
	
?>