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 How to Increase PHP memory limit zendnwar May 19, 2016 PHP memory limit sometimes makes it problem to upload. please check way to increase your memory .. What are the different types of errors in php? zendnwar July 24, 2012 What are the different types of errors in php? Notices: These are trivial, non-critical errors ..