<?php//去除多维数组中的空值$arr1=array("1","","2");$arr2=array("","3","4");$arr3=array("","5","");$arr4=array("11","","22");$arr5=array("","33","44");$arr6=array("","55","");$arr7=array("111","","222");$arr8=array("","333","444");$arr9=array("","555","");$s_arr1=array("0"=>$arr1,"1"=>$arr2,"2"=>$arr3);$s_arr2=array("0"=>$arr4,"1"=>$arr5,"2"=>$arr6);$s_arr3=array("0"=>$arr7,"1"=>$arr8,"2"=>$arr9);$big_arr=array("0"=>$s_arr1,"1"=>$s_arr2,"2"=>$s_arr3);$g_arr=get_arr($big_arr);print_r($g_arr);functionget_arr($arr){foreach($arras$k=>$v){if(is_array($arr[$k])){$arr[$k]=get_arr($arr[$k]);}else{if(empty($arr[$k])){unset($arr[$k]);}}}return$arr;}?>