function getMaxCallTime($from, $to)
{
$customer = getCustomerByPhone($from);
include_tariff($customer['tariffid']);
$call_cost = getCost($from, $to, $customer['tariffid']);
return floor($customer['balance'] / $call_cost['costPerUnit']) * $call_cost['unitSize'];
}
$fh = isset($options['file']) ? fopen($options['file'], 'r') : fopen('php://stdin', 'r');
$customer_list = getCustomerList();
$error = array();
$i = 0;
while ($f_line = fgets($fh)) {
// increment file line counter
++$i;
// change line to associative array
$cdr = parseRow($f_line);
// check values of cdr array
$cdr_error = validCDR($cdr);
if ($cdr_error === TRUE) {
$tariff_id = $customer_list[$cdr['caller']]['tariffid'];
//include customer tariff
if (!isset($tariffs[$tariff_id])) {
include_tariff($tariff_id);
if (!isset($tariffs[$tariff_id])) {
$error['errors'][] = array('line' => $i, 'line_content' => $f_line, 'error' => 'Can\'t find tariff ' . $tariff_id . ' in tariff files.');
continue;
}
}
// set call type
$call_type = parseCallType($cdr['call_type']);
if ($call_type === NULL) {
die('Call type is not correct. Please use incoming or outgoing.' . PHP_EOL);
}
// generate unix timestamp
$call_start = mktime($cdr['call_start_hour'], $cdr['call_start_min'], $cdr['call_start_sec'], $cdr['call_start_month'], $cdr['call_start_day'], $cdr['call_start_year']);
// no payments for incoming call else calculate cost for call
$call_cost = getCost($cdr['caller'], $cdr['callee'], $tariff_id);
switch ($call_type) {