在php中使用数组

How can I use array outside of the foreach loop so that it gives the same result?

 foreach($rows as $row){

 $s = array($row['sub_name']);
 $m = array($row['mark_obt']); 
 $show = array_combine($s,$m);

 echo '<br>';
 print_r($show);

 echo '<br>';

 }

You can do like this :

 $new_array = array();

 foreach($rows as $key => $row){
   new_array[$key]['sub_name'] = $row['sub_name'];
   new_array[$key]['mark_obt'] = $row['mark_obt'];
 }

 echo '<br>';
 print_r($new_array);
 echo '<br>';

Create one global variable ouside foreach loop and use the same variable in loop and assigned array to it.

$array = array();
foreach($key as $value){
  /*---Your Code---*/
}
print_r($array);