Why this array cannot array_sum()?

Question

>Array
>(
>>    [valor_pago_total] => Array
>>>        (
>>>>            [0] => 14.750.861,55
>>>>            [1] => 20.828.923,13
>>>>            [2] => 18.431.681,20
>>>>            [3] => 43.403.452,99
>>>>            [4] => 19.177.285,19
>>>>            [5] => 30.213.514,73
>>>>            [6] => 5.296.079,04
>>>>            [7] => 875.873,76
>>>>            [8] => 254.810,00
>>>)
>>)

Why I execute array_sum($valor_pago_total), I get a wrong result. Why?

Try removing the periods that are separating the thousands and millions. — Blazemonger
– Blazemonger, Commented Jul 11, 2012 at 18:20
Can you post more of your code? It looks like you might be calling array_sum on an associative array. — robbrit
– robbrit, Commented Jul 11, 2012 at 18:25

nickb · Accepted Answer · 2012-07-11 18:34:35Z

1

Get rid of the periods by replacing them with nothing, and make the commas into a period to make array_sum() work. Then use number_format() to turn it back into your formatted result.

Note that the result will need a 64-bit machine.

array_walk( $array['valor_pago_total'], function( &$el) { $el = str_replace( ',', '.', str_replace( '.', '', $el)); });
$sum = array_sum( $array['valor_pago_total']);
var_dump( $sum, number_format( $sum, 2, ',', '.'));

This outputs:

float(153232481.59)
string(14) "153.232.481,59"

answered Jul 11, 2012 at 18:34

nickb

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