array_filteræ¯åªè½å»é¤æä¸ç»´çæ°ç»çnull
function null_filter($arr)
{
foreach($arr as $key=>&$val) {
if(is_array($val)) {
$val = null_filter($val);
} else {
if($val === null){
unset($arr[$key]);
}
}
}
return $arr;
}
æç°æçå½æ°ï¼é»è®¤å¯ä»¥è¿æ»¤æææ ""ãnullãfalseå¦æåç¬åªéè¦è¿æ»¤ænullï¼é£ä¹ç±»ä¼¼å¦ä¸ä»£ç åä¸ä¸ªåè°å½æ°
function delete_null($vo){
if ($vo==null){
return false;
}
return true;
}
print_r(array_filter(array("aaa","bbb",null,"ccc"),"delete_null"));
温馨提示:答案为网友推荐,仅供参考