- if (preg_match('/^([0-1]{0,1}[0-9]|2[0-4])h?$/', $value )) { // 0, 1 ... 24
- $normalized = trim($value, 'h');
- $normalized .= ':00';
- return $normalized;
- }
- // Handle already normalized value.
- if (preg_match('/^([0-1]{0,1}[0-9]|2[0-3]):?[0-5][0-9]$/', $value )) { // 0:00 - 23:59, 000 - 2359
- return $value;
- }
- // Handle a special case of 24:00.
- if ($value == '24:00') {
- return $value;
- }
- // Handle localized fractional hours.
- global $user;
- $localizedPattern = '/^([0-1]{0,1}[0-9]|2[0-3])?['.$user->decimal_mark.'][0-9]{1,4}h?$/';
- if (preg_match($localizedPattern, $value )) { // decimal values like 0.5, 1.25h, ... .. 23.9999h (or with comma)
- if ($user->decimal_mark == ',')
- $value = str_replace (',', '.', $value);
-
- $val = floatval($value);
- $mins = round($val * 60);
- $hours = (string)((int)($mins / 60));
- $mins = (string)($mins % 60);
- if (strlen($mins) == 1)
- $mins = '0' . $mins;
- return $hours.':'.$mins;
- }
- // Handle minutes.
- if (preg_match('/^\d{1,4}m$/', $value )) { // ddddm
- $mins = (int) trim($value, 'm');
- if ($mins > 1440) // More minutes than an entire day could hold.
- return false;
- $hours = (string)((int)($mins / 60));
- $mins = (string)($mins % 60);
- if (strlen($mins) == 1)
- $mins = '0' . $mins;
- return $hours.':'.$mins;