javascript - Delete data with Angular and PHP -

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I want to delete the data with PHP and Anlor form MySQL. This is my code:

Angular 

  $ scope.delete = function () {that = this; $ Http.get ("delete.php"). Success (data) {$ scope.users.splice (that. $ Index, 1)})}}   
  PHP   
  $ data = json_decode (file_get_contents ("php: // input")); $ Theme = mysql_real_escape_string ($ data-> topics); Mysql_select_db ("angular") or die (mysql_error ()); $ Tbl = "customers"; $ Theme = $ _GET ['index']; $ Sql ​​= "$ tbl, where topic = '$ subject'"; $ Result = mysql_query ($ sql, $ con); If ($ result) {echo "successfully deleted"; } And {echo "error";   
  DB   
  I have a table "customer" with subject and body cell   
 The javascript code works correctly but still the fresh data is still alive !! 
 Where is I wrong?   
 
 
 As noted in the comments,  your code is unsafe  sql injection attacks  
 
 You must add  topic  to your request  
  angular   
  $ Scope.delete = function () {var subject = // Get the topic anyway ... this = this; $ Http.get ("delete.php? Subject =" + topic) .sevate (function) {$ scope.users.splice (that. $ Index, 1)}}}   < P>  php   
  $ tbl = "subscriber"; $ Theme = $ _GET ['subject']; $ Sql ​​= "$ tbl, where topic = '$ subject'"; $ Result = mysql_query ($ sql, $ con); If ($ result) {echo "successfully deleted"; } And {echo "error"; }

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