php - SQL Insert won't insert on all fields -


i have php generating html form , i'm trying write script update information in database. reason works on of fields , not others.

code won't work:

php-form users can change details within

echo"<form name='details'>"; echo"<p>surname: <input type='text'id='surname' value='".$row['surname']."'/></p>; <p>telephone: <input type='text'id='phone' value='".$row['telephone']."'/></p>; <p>postcode: <input type='text' id='postcode' value='".$row['postcode']."'/></p>; <p>house/flat number: <input type='text' id='number' value='".$row['number']."'/></p>";

ajax - sends changes server via querystring

    var sname = document.getelementbyid('surname').value;     var tel = document.getelementbyid('phone').value;     var num = document.getelementbyid('number').value;       var pcode = document.getelementbyid('postcode').value;    var querystring = "?username=" + username +"&email="+email....";   ajaxrequest.open("get", "url" + querystring, true);   ajaxrequest.send(null);

php - execute update command

//connect server ... //get variables $sname = $_get['sname']; $pcode = $_get['pcode']; $tel = $_get['tel']; $num=$_get['num'];  //process update $update ="update user set surname='$sname',telephone='$tel',number='$num', postcode='$pcode' username='$username'";  //if query, display success if(mysqli_query($update)) { echo"success"; } else { echo"error"; } //else display error

the query executes fine, values aren't displaying within database. other variables (username, password etc) update fine. database fields type varchar(80).

edit: have query being executed. still results in surname, postcode, number , telephone field not being updated.

ignoring moment other issues code , approach (sql injection issues, vs. post issue, etc.), , dealing update not changing things expected, there couple of things check.

  • try outputing update query in logs , make sure looks expecting. values you're meaning push across wire not making query or that.

  • verify running query hand in standalone sql client (mysql, squirrel, etc...) updates record. it's entirely possible valid update query may not match records. (say username value you're looking not match 1 that's in database.

  • not knowing infrastructure, i'd suggest sanity checks: pointing @ right database? have update wrapped in transaction that's rolling back? etc ...

a few other tips:

  • i suggest looking @ pdo, in particular how prepared statements work. kind of query you're building above run off data or worse. while not panacea, prepared statements solid first step.

  • take @ jquery's ajax functions. in particular post method. provides simple interface making ajax calls without having construct special url strings. plus, switching post avoid data showing in webserver logs files.


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