Sum elements of array the same key? [closed]

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My function

function array_push_assoc(&$array, $key, $value){
    echo $key.".".$value."<p>";
    $array[$key] = $value;
    return $array;
}

OUTPUT

USD.736.00

USD.100.00

Array
(
    [USD] => 100.00
)

EUR.736.00

USD.100.00

Array
(
    [EUR] => 736.00
    [USD] => 100.00
)

I WANT OUTPUT

USD.736.00

USD.100.00

Array
(
    [USD] => 836.00 // sum all the same currency
)

EUR.736.00

USD.100.00

Array
(
    [EUR] => 736.00
    [USD] => 100.00
)

Anybody Know how to do this?Please help .Thanks

I don't understand how your function is supposed to work. What should it look like when you call it? — BoltClock
– BoltClock, Commented Jan 28, 2011 at 12:54

Ivan · Accepted Answer · 2011-01-28 12:57:05Z

4

I'm not sure, but i believe that is what you want:

function array_push_assoc(&$array, $key, $value){
    echo $key.".".$value."<p>";
    if (isset($array[$key]))
      $array[$key] += $value;
    else
      $array[$key] = $value;
    return $array;
}

answered Jan 28, 2011 at 12:57

Ivan

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