This is a sign up page that uses php/mysql/jquery. It emails a confirmation email, and has a script changing a lost password. Good base for any project that needs a login.
See it in action:
http://thestudymachine.com/study/signup/signup.php
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001221s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.098943s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.000932s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001276s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001265s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.005448s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001407s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.007510s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.027252s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001706s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 100778 [ RunTime:0.317666s ]