My files are stored at: http://yallara.cs.rmit.edu.au/~cburton/part2/login.php -- I look at the following resources: http://au.php.net/fclose http://au.php.net/fopen http://au.php.net/explode http://au.php.net/trim http://au.php.net/fwrite http://au.php.net/asort http://au.php.net/foreach http://au.php.net/list http://au.php.net/ereg http://au.php.net/switch http://au2.php.net/function.opendir http://au2.php.net/date I used Lecture 6.1 example to understand how to write to a file. -- A tutorial on validating a form at: http://www.php-mysql-tutorial.com/form-validation-with-php.php -- Tutorial on file reading at: http://au.php.net/manual/en/function.fread.php -- Used Shekhar's example of: log_in.php, loginfunc.php, editData.php, deleteData, readDir.php. -- Beginning PHP5 by Mercer, Kent, Nowicki, Squier and Choi is where I learnt about php with radio buttons. -- Learnt about radio buttons and PHP at: http://www.homeandlearn.co.uk/php/php4p10.html -- Tutorial on associatve arrays at: http://www.tizag.com/phpT/arrays.php -- Sorting an associative array by value at: http://www.tech-recipes.com/rx/299/php-syntax-sort-an-associative-array-by-value-with-asort/