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[Solved] Getting sum of values in multi dimensional array

 
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artik
Smarty Rookie


Joined: 04 May 2019
Posts: 8

PostPosted: Sun May 05, 2019 5:41 pm    Post subject: [Solved] Getting sum of values in multi dimensional array Reply with quote

Hi, I'm quite stuck since this afternnon. I tried many ways to get a result (using {count} and many other things I saw on documenttaion and internet) but none of them worked. Here is my infos :

$session

Code:
Value
Array (4)
msg => "You must log in first"
email => "jeff@gmail.com"
success => "You are now logged in"
shopping_cart => Array (2)
  0 => Array (7)
    id => "179"
    title => "ruyrytur"
    image => "Luxury-Sofa-for-Main-Room-at-Home-Design-Luxury-with-Stunning-Outdoor.jpg"
    variants => Array (0)
    quantity => 3
    unit_price => "123.00"
    price => 123
  1 => Array (7)
    id => "2"
    title => "Vewlix 1080p (red and white)"
    image => "amazing-modern-villa-Freshome-02.jpg"
    variants => Array (1)
      0 => Array (3)
        option_id => "1"
        option_name => "Panel 1 player"
        option_price => "0.00"
    quantity => 1
    unit_price => "1950.00"
    price => 1950


I'm trying with a foreach to get the sum of the value 'quantity' (that should be 4).

Code:
{foreach $session.shopping_cart as $cart}
   {$cart.quantity|@count}
{/foreach}


with no luck.

I also tried

Code:
{foreach $session.shopping_cart as $cart}
   {$cart.quantity}
{/foreach}


that works with one product, but if I add another one it doesn't count, simple displays me 3 and 1.

Any help?


Last edited by artik on Mon May 06, 2019 2:12 pm; edited 2 times in total
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bsmither
Smarty Elite


Joined: 20 Dec 2011
Posts: 322
Location: West Coast

PostPosted: Sun May 05, 2019 11:14 pm    Post subject: Reply with quote

I would try:
Code:
{$cart_item_count = 0}
{foreach $session.shopping_cart as $cartItem}
{$cart_item_count += $cartItem.quantity}
{/foreach}
Total item count: {$cart_item_count}
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artik
Smarty Rookie


Joined: 04 May 2019
Posts: 8

PostPosted: Sun May 05, 2019 11:46 pm    Post subject: Reply with quote

thank bsmither, I tried, and here is the error:

Quote:
Fatal error: Uncaught --> Smarty Compiler: Syntax error in template "file:/var/www/html/theme/header.tpl" on line 19 "{$cart_item_count += $cartItem.quantity}" - Unexpected "= " <-- thrown in /var/www/html/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatecompilerbase.php on line 19
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bsmither
Smarty Elite


Joined: 20 Dec 2011
Posts: 322
Location: West Coast

PostPosted: Mon May 06, 2019 4:59 am    Post subject: Reply with quote

Code:
{$cart_item_count += $cartItem.quantity}" - Unexpected "= "
Interesting. It then appears that Smarty (at least the version you are using) does not know about the operator shortcuts.

So, try:
Code:
{$cart_item_count = $cart_item_count + $cartItem.quantity}
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artik
Smarty Rookie


Joined: 04 May 2019
Posts: 8

PostPosted: Mon May 06, 2019 1:05 pm    Post subject: Reply with quote

Works perfectly, thanks bsmither!
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