TA貢獻1828條經驗 獲得超6個贊
$a=array(array('userid'=>3,'val'=>0.95),array('userid'=>1,'val'=>0.95),array('userid'=>2,'val'=>0.95),array('userid'=>5,'val'=>0.95),array('userid'=>8,'val'=>0.95));$x=0.9;$count=count($a);$b=[];foreach($aas$v){$arr2['val']=abs($x-$v['val']);$arr2['userid']=$v['userid'];$b[]=$arr2;//print_r($v['val']);}$min=min($b);print_r($min);還差點，就對了。
TA貢獻1831條經驗 獲得超9個贊
$a=[['userid'=>3,'val'=>0.95],['userid'=>1,'val'=>0.95],['userid'=>2,'val'=>0.9],['userid'=>5,'val'=>0.95],['userid'=>8,'val'=>0.95]];$x=0.9;$b1=[];$b2=[];foreach($aas$v){if($v['val']<$x&&!count($b1)){$b1=$v;}if($v['val']===$x&&!count($b2)){$b2=$v;}}$b=$b1?:$b2;
舉報