What is the difference between the functions unlink and unset? zendnwar July 24, 2012 PHP Basic 0 Comments unlink() deletes the given file from the file system. unset() makes a variable undefined. Related Posts PHP Date() Function zendnwar July 23, 2012 date-> Format a local time/date. date(format,timestamp) format : Required. .. session_start(): Cannot send session cache limiter zendnwar June 18, 2014 It has very simple solution <?php ob_start(); session_start(); ?> Above session write bef ..