As a noob I dont understand a lot of SQL injections but I need to be save so I have read that I have to use wpdb->prepare to make sure the data is stored correct.

At this moment I use the $wpdb->update() query so I need some help to transform this into an save query with $wpdb->prepare().

    'option_1' => 'hello', 
    'option_2' => 2,
    'option_3' => 'world'
    array('option_name' => 'some name'),

2 Answers 2


When you look at the Codex article on $wpdb, then you will see that your current usage is correct. The last argument

array( '%s', '%d', '%s' )

already indicates that there is something like sprintf/printf going on in the background.

The $wpdb->prepare() method isn't needed for every other method. The ones that need it:


and plain SQL queries like:

$sqlQuery = $wpdb->prepare( "SELECT etc.", /* list of replacements */ );

where the last probably will always get wrapped inside $wpdb->query() anyway.

  • @user759235 Then please file an edit and add those :)
    – kaiser
    Commented Mar 15, 2014 at 23:37
  • 1
    couldn't find the edit button...no I have ;-)
    – user759235
    Commented Mar 16, 2014 at 13:39

If always escaping input like: post, get, request, cookie SQL injection are not possible. $input_var=mysql_real_escape_string($input_var);

or more good this function:

function doEscape($str) {
  return get_magic_quotes_gpc() ? mysql_real_escape_string(stripslashes($str)):mysql_real_escape_string($str);

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.