update php mysql query -

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I try to update my query and it seems that there is no problem and there is no error but I Do not know why the themes on the sidebar are not updated, please help me (I'm sure there is no problem with other code pages) 

   30); Foreign currency ($ field_windth_lambjes $ fieldname = & gt; $ maxlength) {if (strlen (trim (mysqli_real_escape_string ($ connection, $ _POST [$ field name])))) $ $ maxlength) {$ errors [] = $ field name; }} If (empty ($ errors)) {$ id = mysqli_real_escape_string ($ connection, $ _GET ['subj']); $ Menu_name = mysqli_real_escape_string ($ connection, $ _POST ['menu_name']); $ Position = mysqli_real_escape_string ($ connection, $ _POST ['status']); $ View = mysqli_real_escape_string ($ connection, $ _POST ['visible']); $ Query = "Update topics SET menu_name = '{$ menu_name}' status = {$ position} visible = {$ view} WHERE id = {$ id}"; $ Result = mysqli_query ($ connection, $ query); } Else {Echo "Error Dade"; }} And {// if an error occurs}? & Gt; & Lt; / Neo & gt; & Lt ;? Php find_selected_page (); ? & Gt; & Lt ;? Php included ("include / header.php"); ? & Gt; & Lt ;? Php Navigation ($ sel_subj, $ sel_pages); ? & Gt; & Lt; Section & gt; ... & lt; / Section & gt; & Lt ;? Php is required ("include / footer.php"); ? & Gt;

I would appreciate it for helping me, I have searched for this problem, but nothing can be found about my problem.

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