public virtual DateTimeImmutable setTimezone(DateTimeZone timezone) => throw new NotImplementedException();
public static DateTime createFromFormat(Context ctx, string format, string time, DateTimeZone timezone = null)
{
// arguments
var tz = (timezone != null) ? timezone._timezone : PhpTimeZone.GetCurrentTimeZone(ctx);
if (format == null)
{
//PhpException.InvalidArgument("format");
//return false;
throw new ArgumentNullException();
}
if (time == null)
{
//PhpException.InvalidArgument("time");
//return false;
throw new ArgumentNullException();
}
if (format == "U")
{
long seconds = 0;
if (Int64.TryParse(time, out seconds))
{
DateTimeOffset offset = DateTimeOffset.FromUnixTimeSeconds(seconds);
return(new DateTime(ctx)
{
Time = offset.UtcDateTime,
// TODO should be set as UTC ?
TimeZone = TimeZoneInfo.Utc
});
}
else
{
throw new ArgumentException("The time argument could not be parsed as an integer.");
}
}
var builder = new StringBuilder();
//used to replace 24 hour H character with 12 hour format h if needed
bool twelveHour = false;
//flag to reset the datetime to base Unix DateTime (1.1.1970)
//bool resetUnixDateTime = false;
// create DateTime from format+time
for (int i = 0; i < format.Length; i++)
{
var c = format[i];
switch (c)
{
case 'd':
case 'j':
builder.Append("dd");
break;
case 'D':
case 'l':
builder.Append("ddd");
break;
case 'F':
case 'M':
builder.Append("MMM");
break;
case 'm':
case 'n':
builder.Append("MM");
break;
case 'Y':
builder.Append("yyyy");
break;
case 'a':
case 'A':
builder.Append("tt");
twelveHour = true;
break;
case 'g':
case 'G':
case 'h':
case 'H':
builder.Append("HH");
break;
case 'i':
builder.Append("mm");
break;
case 's':
builder.Append("ss");
break;
case '!':
//resetUnixDateTime = true;
//throw new NotImplementedException("Unix time resetting is not implemented.");
case '?':
case '/':
case '*':
case '+':
case '#':
case 'U':
case 'S':
case 'z':
case 'e':
case 'O':
case 'P':
case 'T':
throw new NotImplementedException($"Format modifier '{c}' at position {i}.");
default:
builder.Append(c);
break;
}
}
if (twelveHour)
{
builder.Replace('H', 'h');
}
var csStyleFormat = builder.ToString();
var success = System_DateTime.TryParseExact(time, csStyleFormat, CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AssumeLocal, out var dateTime);
if (success)
{
return(new DateTime(ctx)
{
Time = dateTime
});
}
else
{
throw new NotImplementedException("Given datetime format string is not supported or it is invalid.");
}
}
public static DateTimeImmutable createFromFormat(string format, string time, DateTimeZone timezone = null) => throw new NotImplementedException();
// public __construct ([ string $time = "now" [, DateTimeZone $timezone = NULL ]] )
public DateTime(Context ctx, string time = null, DateTimeZone timezone = null)
: this(ctx)
{
ctx.SetProperty(DateTimeErrors.Empty);
__construct(time, timezone);
}
