Error comparing two numbers

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3

I'm having a problem comparing two numbers, here's my code: 

// Valor
    $total_ch = 691.11;

    // Calcula valor total das contas a receber
    $result = $mysqli->query("SELECT SUM(valor) FROM contas_receber where status = '1' and id IN ($contas)");
    $row = mysqli_fetch_array($result);
    $valor_contas =  $row['SUM(valor)'];

    // Verifica se o total dos cheques e maior que os das contas a receber
    if ($valor_contas > $total_ch) {
        // Exibe Alert
        echo "erro";
    }

The value returned from $row['SUM(valor)'] is 691.11. So the two values are the same, but the system is pointing out that valor_contas is greater than total_ch .

What's causing this? How to solve?

    
asked by anonymous 10.11.2016 / 13:24

1 answer

1

Cast the string to float using (float) , like this: 

$valor_contas =  (float) $row['SUM(valor)'];
    
10.11.2016 / 14:45
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