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04.12.2008 at 02:58AM PDT, ID: 23317129
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9.0

How is $_GET initiated in PHP and how does this database update form work with it?

Asked by TycoonMillion in PHP and Databases, PHP Scripting Language

Tags:

I'm starting to build my first small content management form so to start I want to change a style so its a form to update the database but it has this in the second line... if ($_GET && !$_POST) {

Any suggestions on other ways to do the whole update thing especially how I'm heading towards learning and understanding CMS better. Advices would be great especially for the $db->query parts as I dont even think they are going to work.

However the thing I do not understand is the way $_GET is used. Can this work if this page is opened directly and alone?

So far it doesnt seem to, no errors just nothing appears in the text field but the database field is populated so the variable should also be

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<?php
include 'sql/sql.inc'; 
 
if ($_GET && !$_POST) {
  $userid = $_GET['userid'];
  $upt1 = $_GET['upt1'];
  // get details of record to be edited
  $getDets = "SELECT * FROM userstyles WHERE userid = 'test1'";
  $catDets = $db->query($getDets);
  // 
  while ($row = $catDets->fetch_assoc()) {
  $upt1 = $row['upt1'];
  }
  $result = $db->query($getDets);
  $row = $result->fetch_assoc();
  }
 
elseif ($_POST) {
  // escape quotes and apostrophes if magic_quotes_gpc off
  if (!get_magic_quotes_gpc()) {
  foreach($_POST as $key=>$value) {
      $temp = addslashes($value);
      $_POST[$key] = $temp;
      }
    }
  // create Database instance
  $db;
  // 
  if (array_key_exists('updatestyles', $_POST)) {
    // code for updating category
    $userid = $_POST['userid'];
    $upt1 = $_POST['upt1'];
    $checkName = "SELECT * FROM styles
                  WHERE userid = '$userid'";
    $result = $db->query($checkName);
    
	if ($result->num_rows > 0) {
      $updatestyles = "UPDATE userstyles SET upt1 = '$upt1' 
	  					WHERE userid = $userid";
      $result = $db->query($updatestyles);
      
	  if ($result) {
	    $db->close();
        $category = urlencode("$upt1 $userid");
        header('Location: empty.php');
      }
    
	if (!isset($categoryAlert)) {
      $updatestyles = "UPDATE userstyles SET userid = '$userid',
                       upt1 = '$upt1'";
      $result = $db->query($updatestyles);
      
	  if ($result) {
	    $db->close();
        $category = urlencode("$upt1 $userid");
        header('Location: empty.php');
        }
		}
      }
    }
  // close database connection
  $db->close();
  }
?>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Edit User Styles</title>
</head>
<body>
<div>
  <h1>Edit Categories</h1>
 
  <form name="catDets" id="catDets" method="post" action="<?php $_SERVER['PHP_SELF']; ?>">
    <table>
      <tr>
        <th scope="row" class="leftLabel">Profile Text </th>
        <td><input name="upt1" type="text" id="upt1" class="mediumbox"
		value="<?php if (isset($row['upt1'])) echo $row['upt1']; ?>"
		/></td>
      </tr>
      <th></th>
      <td><input name="updatestyles" type="submit" id="updatestyles" value="Update category" /></td>
      </tr>
    </table>
  </form>
</div>
</body>
</html>
 
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[+][-]04.12.2008 at 03:12AM PDT, ID: 21340452

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[+][-]04.12.2008 at 03:33AM PDT, ID: 21340495

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[+][-]04.12.2008 at 04:03AM PDT, ID: 21340579

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[+][-]04.12.2008 at 04:14AM PDT, ID: 21340619

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[+][-]04.12.2008 at 04:29AM PDT, ID: 21340676

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[+][-]04.12.2008 at 04:42AM PDT, ID: 21340707

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About this solution

Zones: PHP and Databases, PHP Scripting Language
Tags: PHP
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Solution Provided By: cedlinx
Participating Experts: 5
Solution Grade: A
 
 
[+][-]04.12.2008 at 04:45AM PDT, ID: 21340717

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[+][-]04.12.2008 at 04:46AM PDT, ID: 21340719

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[+][-]04.12.2008 at 04:51AM PDT, ID: 21340727

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