<?php//数组版function fib($n){$array = array();$array[0]=0;$array[1]=1;for($i=2;$i<=$n;$i++){$array[$i]= $array[$i-1]+$array[$i-2];}print_r($array);}fib(10);echo "<hr>";//普通版function fib2($n){if($n==1||$n==2){return 1;}else{return fib2($n-1)+fib2($n-2);}}echo fib2(10);?>