PHP: creating HTML table from nested array (json) but getting results AND "invalid argument supplied for foreach()" -

i trying create html table array obtained through api/json.

it's nested array (the actual data nested within session)

array ( [sessid] => -hnkgi-k1rgwhnymkcscr0bom-rrkurn2s1pgmzobx4 [status] => 0 [players] => array     (         [0] => array             (                 [first_name] => chris                 [last_name] => clausing                 [pdga_number] => 31635                 [rating] => 930                 [year] => 2014                 [class] =>                 [gender] => m                 [bracket] => open                 [country] => nl                 [state_prov] =>                  [tournaments] => 11                 [rating_rounds_used] => 36                 [points] => 998                 [prize] => 0.00             )          [1] => array             (                 [first_name] => uwe walter                 [last_name] => schlueter                 [pdga_number] => 37788                 [rating] => 902                 [year] => 2014                 [class] =>                 [gender] => m                 [bracket] => master                 [country] => nl                 [state_prov] =>                  [tournaments] => 12                 [rating_rounds_used] => 33                 [points] => 970                 [prize] => 0.00             )          [2] => array             (                 [first_name] => mark                 [last_name] => steenhuis                 [pdga_number] => 50574                 [rating] => 859                 [year] => 2014                 [class] =>                 [gender] => m                 [bracket] => master                 [country] => nl                 [state_prov] =>                  [tournaments] => 12                 [rating_rounds_used] => 28                 [points] => 678                 [prize] => 0.00             )       ) ) 

and warning mesages:

warning: invalid argument supplied foreach() in /home/surrealm/dvh/player_statistics.php on line 103  warning: invalid argument supplied foreach() in /home/surrealm/dvh/player_statistics.php on line 103 

see http://vliegende-hollander.com/player_statistics.php?year=2014&class=a&gender=m&country=nl

as can see can extract desired data, , create html table it. but, can not rid of 2 error messages.

if take away 1 of foreach() first character of first value (in case, first character of sessid).

the actual bit of php i'm using create table is:

<?  if (is_array($player)) {  foreach($player $key){   foreach($key $k){             // <- line 103    echo "<tr>";     echo "<td>".$k['pdga_number']."</td>";     echo "<td>".$k['first_name']." ".$k['last_name']."</td>";     echo "<td>".$k['country']."</td>";     echo "<td>".$k['rating']."</td>";     echo "</tr>";     }    }   }  ?> 

can me clean code, rid of 2 warnings?

i'm not full-time programmer, it's not understanding foreach() function. extract , display data using mysql, , while() loops instead.

the error states $key variable passed each isn't array. work player array have have arrays within (i.e. multidimensional array), second foreach can iterate through it.

if player array doesn't have arrays within it, need one foreach loop through , can access data using index (i.e. $key['pdga_number'] instead of $k['pdga_number']).

for me though, need know contents of $player array.

edit

i've seen example given, try doing second if(is_array($key) before calling second foreach, i.e.

if (is_array($player)) {     foreach($player $key){         if(is_array($key)){             foreach($key $k){             // <- line 103                 echo "<tr>";                 echo "<td>".$k['pdga_number']."</td>";                 echo "<td>".$k['first_name']." ".$k['last_name']."</td>";                 echo "<td>".$k['country']."</td>";                 echo "<td>".$k['rating']."</td>";                 echo "</tr>";             }         }     } }