1 date_sql_handler.inc | date_sql_handler::part_is_valid($value, $type) |
A function to test the validity of various date parts.
File
- core/
modules/ date/ views/ date_sql_handler.inc, line 586 - SQL helper for Date API.
Class
- date_sql_handler
- A class to manipulate date SQL.
Code
function part_is_valid($value, $type) {
if (!preg_match('/^[0-9]*$/', $value)) {
return FALSE;
}
$value = intval($value);
if ($value <= 0) {
return FALSE;
}
switch ($type) {
case 'year':
if ($value < DATE_MIN_YEAR) {
return FALSE;
}
break;
case 'month':
if ($value < 0 || $value > 12) {
return FALSE;
}
break;
case 'day':
if ($value < 0 || $value > 31) {
return FALSE;
}
break;
case 'week':
if ($value < 0 || $value > 53) {
return FALSE;
}
break;
}
return TRUE;
}