PHP-Code:
//Write log file
string str="Dein Text";
int handle;
handle = FileOpen(filename,FILE_READ|FILE_WRITE|FILE_CSV,"/t");
FileSeek(handle, 0, SEEK_END);
FileWrite(handle," Time " + TimeToStr(CurTime(),TIME_DATE|TIME_SECONDS) + ": " + str);
FileClose(handle);