php - how to check data from 1 multidimensional array in other multidimensional array -

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i have 2 multidimensional array. first 1 $voucher_menu return following array :

this 1 print_r :

array ( [menu_0] => array     (         [menu_id] => 521         [qty] => 1         [choice] => array             (                 [0] => 1                 [1] => 6             )      )  [menu_1] => array     (         [menu_id] => 525         [qty] => 2         [choice] => array             (                 [0] => 8             )      )  [menu_2] => array     (         [menu_id] => 520         [qty] => 3         [choice] => array             (             )      )  )

and second 1 $item_cart return following array :

array ( [menu_0] => array     (         [menu_id] => 517         [qty] => 1         [choice] => array             (                 [0] => 11                 [1] => 12             )      )  [menu_1] => array     (         [menu_id] => 525         [qty] => 1         [choice] => array             (                 [0] => 8             )      )  [menu_2] => array     (         [menu_id] => 521         [qty] => 2         [choice] => array             (                 [0] => 2                 [1] => 6             )      )  [menu_3] => array     (         [menu_id] => 520         [qty] => 3         [choice] => array             (             )      )   )

i want trying validate data in $voucher_menu menu_id, value of qty , choice should haved in $item_cart.

this code have done :

for($i=0;$i<count($voucher_menu);$i++){     if(count($voucher_menu["menu_".$i]["choice"]) != 0) {         $variant_menu[] = $voucher_menu["menu_" . $i]["choice"];     } }      $valid = true;     foreach($voucher_menu $row){         $pass = false;         foreach($item_cart $value) {             if ($row["menu_id"] == $value["menu_id"]) {                 if (isset($variant_menu)) {                     if(count($row["choice"]) > 0) {                         $variant = in_array($row["choice"], $value["choice"]);                      }                  }                 if ($variant == true) {                     $pass = true;                     break;                 }                 if ($row["qty"] <= $value["qty"]) {                     $pass = true;                     break;                 }              }         }           if(!$pass){             $valid = false;             break;         }     }      if($valid == true){         echo "you got discount";     }else{         echo "you dont discount";     }

i can validate menu_id , qty of item dont know how validate choice.

i want if in $voucher_menu , if menu_id have choice , array of choice not 0, value choice should same in item_cart

guys can me how check choice? or if have other way validate data $voucher_menu $item_cart please show me.

thank (:

p.s choice string id , return different id if menu_id different if menu_id 521 choice 1, 6 in other menu_id not 1,6

try array_diff or array_intersect

with array_diff can following within loops:

$variant = count(array_diff($row["choice"], $value["choice"])) == 0;

you might experiment doing array_diff on whole array of menus , checking if qty different, simplifying code greatly.


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