Is there a way I can find out if my data string is being passed on to my php function


I am calling a ajax form submit script as given below :

$(function() { $('.simple-success').hide(); $("#submit_button").click(function() { var firstname=$("input#Firstname").val(); var lastname=$("input#Lastname").val(); var email = $("input#email").val(); var title = $("input#title").val(); var organization = $("input#organization").val(); var dataString = 'firstname='+ firstname + '&lastname=' + lastname + '&email=' + email + '&title=' + title + '&organization=' + organization; $.ajax({ type: "POST", url: "optIn.php", data: dataString, success: function() { $('.emailform').fadeOut(100).hide(); $('.simple-success').fadeIn(100).show(); alert('sucess') } }); return false; }); });

The script is pulling in the data from the form as I am able to view the data in an alert of the datastring.However for some odd reason the data never gets sent on to the database even though the PHP script seems correct. The PHP script is given below

<?php $firstname = stripslashes(strip_tags($_POST['firstname'])); $lastname = stripslashes(strip_tags($_POST['lastname'])); $email = stripslashes(strip_tags($_POST['email'])); $title = stripslashes(strip_tags($_POST['title'])); $organization = stripslashes(strip_tags($_POST['organization'])); $pdbHost = "localhost"; $pdbUserName = "******"; $pdbPassword = "******"; $pdbName = "db1080824_emails"; // Connect to mySQL $conlink = mysql_connect($pdbHost, $pdbUserName, $pdbPassword); if(!$conlink) {die('Unable to connect to '.$pdbHost);} if (!mysql_select_db($pdbName, $conlink)){die('Cannot find database '.$pdbName);} //SQL query $SQL2="INSERT INTO `db1080824_emails`.`emails` (`record_id` ,`firstname`,`lastname`,`email`,`title`,`organization`)VALUES (NULL , '".$firstname."', '".$lastname."', '".$email."', '".$title."', '".$organization."')"; mysql_query($SQL2); // Connect to Closing the connection mysql_close($conlink); ?>

The mysql server is located on the server and the database with tables has been created,so I am not sure whats going wrong here

Any inputs would be great


You can echo everything you need in php and alert it like this:

success: function(html) { $('.emailform').fadeOut(100).hide(); $('.simple-success').fadeIn(100).show(); alert(html) }

It will also show errors occured in php file.


First option: Use xdebug. <a href="http://xdebug.org" rel="nofollow">http://xdebug.org</a> This is the best option, as it will give you full debugging support and can help you fix a variety of PHP/MySQL problems. However, it can be a pain to get set up right, and depending on your environment it may not be an option.

Second option: View the PHP error log. The location of this log depends on your server setup. If you're using a hosting service, this should be available through the host's control panel. If your server is Linux with Apache, the log will usually be either in your Apache log file (/var/log/apache2/error.log or similar) or a vhost log file (a logs folder in the same location as your document root). Many PHP errors can be quickly diagnosed and fixed by just checking the log.

Third option: Print an error string. Try this:

if( !mysql_query( $SQL2 ) ) { die( 'Error ' . mysql_errno( ) . ': ' . mysql_error( ) ); }

Then check the response in Firebug or a similar tool.

And whatever you do, make sure you sanitize those inputs. Never assume any data coming from a web client is safe, because it's trivial to POST arbitrary data to a form. Try this: <a href="http://us.php.net/manual/en/function.mysql-real-escape-string.php" rel="nofollow">http://us.php.net/manual/en/function.mysql-real-escape-string.php</a>


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