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en:entwickler:zuruecknavigieren_mit_vorbelegten_feldern [2015/11/04 20:19] – created thomas-rcven:entwickler:zuruecknavigieren_mit_vorbelegten_feldern [2016/12/03 15:03] – codestyle and typos ximex
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 Based on the maintenance dialog of the announcements the procedure will now be described:  Based on the maintenance dialog of the announcements the procedure will now be described: 
  
-The first thing you must secure these entries in a session variable at the beginning of //announcements_function.php// that handles the user input from the form. To not edit now all $ _GET or $ _POST seperate there is a PHP variable **$_REQUEST** that includes the contents of both arrays and the $ _COOKIE array. The name of the $_SESSION variable should be unique per request form and end with **_request**, so you know what is meant and different forms do not overwrite the data. <code php> $_SESSION['announcements_request'] = $_REQUEST; </code>+The first thing you must secure these entries in a session variable at the beginning of //announcements_function.php// that handles the user input from the form. To not edit now all **$_GET** or **$_POST** separate there is a PHP variable **$_REQUEST** that includes the contents of both arrays and the **$_COOKIE** array. The name of the $_SESSION variable should be unique per request form and end with **_request**, so you know what is meant and different forms do not overwrite the data. <code php> $_SESSION['announcements_request'] = $_REQUEST; </code>
  
 Now, the contents must be processed in //announcements_new.php//.  Now, the contents must be processed in //announcements_new.php//. 
  
-If you work here **with** a table class, so there is a very easy way to demonstrate the fields again: <code php> if(isset($_SESSION['announcement_request']))+If you work here **with** a table class, so there is a very easy way to demonstrate the fields again: <code php> if (isset($_SESSION['announcement_request']))
 { {
-    foreach($_SESSION['announcement_request'] as $key => $value)+    foreach ($_SESSION['announcement_request'] as $key => $value)
     {     {
-        if(strpos($key, "ann_") == 0)+        if (strpos($key, 'ann_') == 0)
         {         {
             $announcement->setValue($key, stripslashes($value));             $announcement->setValue($key, stripslashes($value));
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 When working **without** Table access class must be removed the following: When working **without** Table access class must be removed the following:
  
-For this purpose, you should create best practice for each field on the form a variable. If now **$ _ SESSION ['announcements_request']** exists,  the variable can be filled  with the old content, otherwise they will simply initialized.<code php> if(isset($_SESSION['announcements_request']))+For this purpose, you should create best practice for each field on the form a variable. If now **$_SESSION ['announcements_request']** exists, the variable can be filled with the old content, otherwise they will simply initialized.<code php> if (isset($_SESSION['announcements_request']))
 { {
- $form_values = strStripSlashesDeep($_SESSION['announcements_request']);+ $formValues = strStripSlashesDeep($_SESSION['announcements_request']);
  unset($_SESSION['announcements_request']);  unset($_SESSION['announcements_request']);
 } }
 else else
 { {
- $form_values['headline']    = " "; + $formValues['headline']    = ' '; 
- $form_values['description'] = " "; + $formValues['description'] = ' '; 
- $form_values['global']      = 0;  + $formValues['global']      = 0;  
- if ($_GET["ann_id"] != 0)+ if ($_GET['ann_id'] != 0)
  {  {
  ... Reading the id - dataset and preassign the $field variable with the data from the database ...  ... Reading the id - dataset and preassign the $field variable with the data from the database ...