<?php

 $array0 = array(5, 10, 15, 20, 25, 30);
 $array1 = array(1, 2, 3, 4, 5, 6);
 $array2 = array(2, 6, 8, 10, 12, 14);
 
 var_export(
 	array_map('array_sum', array_map(null, $array0, $array1, $array2))
 );