多维会话php数组回显

Question

I have a PHP session array where it can be counted as multidimensional array, basically I am trying to store data inside my session array and i am successfully obtaining that part of the task. The main issue is, I am not able to echo them specifically and I have to use var_dump. When I try to print them with echo i got an notice which says array to string conversion. Please any help I would be appreciated how to print them with their own specific keys or values. The code as follows:

if (!is_array($_SESSION['products']['names'])){

  $_SESSION['products']['names'] = array();
  $_SESSION['products']['names']['prices']= array();

  }else {

    $pros = $_SESSION['products']['names'];

    if (in_array($product->getName(), $pros, true)){

    echo 'The product is available in your basket';

  } else {

    array_push($_SESSION['products']['names'],$product->getName());
    array_push($_SESSION['products']['names']['prices'], $product->getPrice(Currency::getCurrentCurrency()));


    foreach ($_SESSION['products']  as  $val){

      echo $val['names'];
      echo $val['prices'];

    }
  }

}

The output that I receive as follows:

Notice: Undefined index: names in

Array to string conversion in

Answer 1

Use join() function in your foreach, like this:

echo join('<br>', $val);

Or instead of

echo $val['prices'];

write

echo $val['names']['prices'];

Answer 2

This is your problem...

// Here your assigning `['names']` as a string..
array_push($_SESSION['products']['names'],$product->getName());

// Then here you're overwriting the string with an array...
array_push($_SESSION['products']['names']['prices'], $product->getPrice(Currency::getCurrentCurrency()));

Change the first one to this..

array_push($_SESSION['products']['names']['name'],$product->getName());

Assuming $product->getPrice() returns a string or a number...

foreach ($_SESSION['products']  as  $val){
    foreach($val['names'] as $name){
        echo $name['name'];
        echo $name['prices'];
    }
}

Answer 3

There is no issue with the code you have here. I don't see you trying to echo or vardump them directly so please show the code you are echoing them out specifically or the output from above and which line is giving you an issue.

Answer 4

If you want to echo each one out with it's price.

for($i=0;$i<count($_SESSION['products']['names']);$i++) {
echo $_SESSION['products']['names'][$i] . " " . $_SESSION['products']['names']['price'][$i];
}