数组中的额外数据

Question

我创建了这个数组：

 $studentAssProg[]=array('studentID'=> $studentID,'assignmentID'=>$assignmentID,'assProgLevel'=>$progress);

打印progressLevel的最佳方法是什么，对于assignID =＆＃39; 3＆＃39; ？

Answer 1

foreach($studentAssProg as $data){
    if($data['assignmentID']==3){
         echo $data['assProgLevel'];
    }
}

Answer 2

foreach($studentAssProg as $d) : 
    if($d['assignmentID'] == 3)
        echo $d['assProgLevel'];
endforeach;