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Check if username available with PHP - xajax - username xajax php null users userid create result

 
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Category: Ajax and PHP

Check if username available with PHP - xajax

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Abstract: This example will describe how to check if username in database is available or not. Useful in registration form

1. Create table for testing (pn database "test")

CREATE TABLE `users` ( 
 `userID` int(8) NOT NULL auto_increment, 
 `username` varchar(32) NOT NULL, 
 `password` varchar(32) default NULL, 
 PRIMARY KEY (`userID`) 
 )

insert into `users` ( `userID`, `username`, `password` ) values ( NULL, 'admin', NULL )

   insert into `users` ( `userID`, `username`, `password` ) values ( NULL, 'user1', NULL )

   insert into `users` ( `userID`, `username`, `password` ) values ( NULL, 'george', NULL )

   insert into `users` ( `userID`, `username`, `password` ) values ( NULL, 'paul', NULL )

2. Download xajax, extract to your testing webfolder
3. Create page


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