Хранение и порядок

array(2) {
  [1]=>
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    ["ZERO-INF"]=>
    array(8) {
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      string(4) "5206"
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      float(50)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(50)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "50 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "50 руб"
    }
  }
  [6]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
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      string(6) "139933"
      ["PRICE"]=>
      float(49)
      ["DISCOUNT_PRICE"]=>
      float(49)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(49)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "49 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "49 руб"
    }
  }
}

array(2) {
  [1]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(4) "5202"
      ["PRICE"]=>
      float(50)
      ["DISCOUNT_PRICE"]=>
      float(50)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(50)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "50 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "50 руб"
    }
  }
  [6]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(6) "139931"
      ["PRICE"]=>
      float(49)
      ["DISCOUNT_PRICE"]=>
      float(49)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(49)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "49 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "49 руб"
    }
  }
}

array(2) {
  [1]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(4) "5201"
      ["PRICE"]=>
      float(50)
      ["DISCOUNT_PRICE"]=>
      float(50)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(50)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "50 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "50 руб"
    }
  }
  [6]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(6) "139930"
      ["PRICE"]=>
      float(49)
      ["DISCOUNT_PRICE"]=>
      float(49)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(49)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "49 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "49 руб"
    }
  }
}

array(2) {
  [1]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(4) "5198"
      ["PRICE"]=>
      float(50)
      ["DISCOUNT_PRICE"]=>
      float(50)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(50)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "50 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "50 руб"
    }
  }
  [6]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
      ["ID"]=>
      string(6) "139929"
      ["PRICE"]=>
      float(49)
      ["DISCOUNT_PRICE"]=>
      float(49)
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      float(49)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(9) "49 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(9) "49 руб"
    }
  }
}

array(2) {
  [1]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
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      string(4) "3498"
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      float(1599)
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      float(1599)
      ["UNROUND_DISCOUNT_PRICE"]=>
      float(1599)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(17) "1 599 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(17) "1 599 руб"
    }
  }
  [6]=>
  array(1) {
    ["ZERO-INF"]=>
    array(8) {
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      string(6) "138310"
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      ["UNROUND_DISCOUNT_PRICE"]=>
      float(1567)
      ["CURRENCY"]=>
      string(3) "RUB"
      ["VAT_RATE"]=>
      float(0.2)
      ["PRINT_PRICE"]=>
      string(17) "1 567 руб"
      ["PRINT_DISCOUNT_PRICE"]=>
      string(17) "1 567 руб"
    }
  }
}