PHP - Delete Issue

I'm trying to set it so that it will delete an entire populated directory based upon a value in the database then after finishing that to go back and delete that row in the database.  my current code is

Code: [Select]
<?php $page_title = "Central Valley LLC | Photo Addition" ?>
<?php include("header.php"); ?>
<?php include("nav.html"); ?>
<div id="content">
<form action="delprod.php" method="post" enctype="multipart/form-data">
<label for="which">Choose A Product To Remove:</label>
<?php $con = mysql_connect("localhost","phoenixi_cv","centraladmin");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("phoenixi_cvproducts", $con);
$result = mysql_query("SELECT * FROM Products");
echo "<select name=\"which\">";
while($row = mysql_fetch_array($result))
   {
echo "<option ";
echo "value=\"" . $row['id'] . "\">";
echo $row['Name'] . "</option>";
}
echo "</select>";
mysql_close($con);
?>
<br />
<input type="submit" name="submit" value="Submit" />
</form>
</div><!--#content-->
<?php include("footer.html") ?>

and the delete script

Code: [Select]
<?php
$con = mysql_connect("localhost","phoenixi_cv","centraladmin");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("phoenixi_cvproducts", $con);
$result = mysql_query("SELECT id FROM Products WHERE id=$_POST['which']");
$row = mysql_fetch_array($result)


chdir('assets');
chdir('images');
$mydir = $row . '/';
$d = dir($mydir);
while($entry = $d->read())
{
if($entry!="." && $entry!="..")
{
unlink($_POST['which'] . '/' . $entry);
}
}
rmdir($mydir);
$result = mysql_query("DELETE * FROM Producs WHERE id=$_POST['which']");
?>
Thank you in advance for all your help.  any easier ways of approaching this will be welcome as well

Hi,i know this is a duplicated thread but i have made changed to code and I have been trying to create a functionality which allows users to delete multiple entries from database, I have been working on this for a while now but cant get my head around it, can u please tell me what im doing wrong here?

thanks in advance

<?php

session_start();

include ("../global.php");
//welcome messaage
$username=$_SESSION['username'];
echo "$username";

$query=mysql_query("SELECT id FROM users WHERE username='$username'");
while($row = mysql_fetch_assoc($query))
{
$user_id = $row['id'];
echo $id;
}

$per_page=5;


$start=$_GET['start'];

$record_count =mysql_num_rows(mysql_query("SELECT * FROM rent"));
?>
<td><form name="form1" method="post" action=""> </td>
<?php
$max_page=$record_count/$per_page;

if(!$start)
$start=0;
$result= mysql_query("SELECT id, msg, title, reference FROM msg LIMIT $start, $per_page");
while($row = mysql_fetch_array($result))
{
            
$id=$row['id'];
$msg=$row['msg'];
$reference=$row['reference'];
$title=$row['title'];

?>



<table>


<tr>
    <td align="center" bgcolor="#FFFFFF"><input name="checkbox[]" type="checkbox" id="checkbox[]" value="<? echo $rows['id']; ?>"></td>
        <td><?php echo $title; ?></td>
        <td><?php echo $id; ?></td>
        <td><?php echo $reference; ?></td>
        <td><?php echo $msg; ?></td>


        </tr>
        
</table>
<tr>
<td colspan="5" align="center" bgcolor="#FFFFFF"><input name="delete" type="submit" id="delete" value="Delete"></td>
</tr>
        <?php
        
        //while
        }


$prev=$start - $per_page;
$next=$start + $per_page;        
        


if(!($start<=0))    
    echo    "<a href='view-data.php?start=$prev'>Previous</a>";
    
if(!($start>=$record_count-$per_page))
    echo    "<a href='view-data.php?start=$next'>Next</a>";    
if(isset($_POST['delete']))
{
    for($i = 0; $i <= count($_POST['checkbox']); $i++)
    {
        $del_id = $checkbox[$i];
        $sql = "DELETE FROM rent WHERE id='$del_id'";
        $result = mysql_query($sql);
    }
    

    if($result)
    {
        header('Location: view-data.php');
    }
}
?>

</table>
</form>

I need a bit of help.  I am displaying records from a db, and want the user to be able to delete a record.  I'm almost there (I think) but it doesn't pass the variable ($hours_id) to the delete query.  Any ideas?  Should be easy...but I'm just at my end.

<?php

include '../php/config_conn.php';

$querysum = "SELECT SUM(total_time) FROM `coop_hours` where user = '".$_SESSION['user_name']."'";
$resultsum = mysql_query($querysum);
$arr = mysql_fetch_row($resultsum);
$resulthours = $arr[0];

$querytime = "SELECT * FROM `coop_hours` WHERE user = '".$_SESSION['user_name']."' ORDER BY 'date_completed'";
$result = mysql_query($querytime);

$num = mysql_num_rows($result);

mysql_close();


echo "<table width='800' cellpadding='0'><tr>
      <td><strong>Coop Job</strong></td>
      <td align=center><strong>Date Completed</strong></td>
      <td align=center><strong>Total Time</strong></td>
      <td><strong>Comments</strong></td><td>Delete Entry</td></tr>";

$i=0;
while ($i < $num) {
   
$hours_id = mysql_result($result, $i, "hours_id");
$user = mysql_result($result, $i, "user");
$coop_job = mysql_result($result, $i, "coop_job");
$date_completed = mysql_result($result, $i, "date_completed");
$start_time = mysql_result($result, $i, "start_time");
$end_time = mysql_result($result, $i, "end_time");
$total_time = mysql_result($result, $i, "total_time");
$comments = mysql_result($result, $i, "comments");


echo "<tr><td>$coop_job</td>
   <td align=center>$date_completed</td>
   <td align=center>$total_time</td>
   <td>$comments</td>
   <td align=center>
   
   <a href='php/del.php'><img src='images/del.png'></a></td>
   </tr>";

$i++;
}
echo "<tr><td colspan=5><hr></td></tr>";
echo "<tr><td></td><td align=right>Total hours:</td><td align=center>$resulthours</td><td></td></tr>";
echo "<table>";

?>

And here is del.php:

<?php

include '../../php/config_conn.php';

$del_query = ("DELETE FROM coop_hours WHERE hours_id = '".$hours_id."' LIMIT 1");
$result = mysql_query($del_query);

header("Location: http://.../myaccount-testing.php");

?>

ok, so how would I insert a link to remove a photo from this code:
Code: [Select]
<?php
                  include("connect_to_mysql_1.php");

$query  = "SELECT link, id FROM products where page123=$page ORDER BY listorder ASC ";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC))
{

$link = stripslashes($row['link']);
$id = stripslashes($row['id']);

?>
      <li id="arrayorder_<?php echo $id ?>"> <img src="<?php echo $link; ?>" width="300" height="250"/>
     
<div class="clear"></div>
      </li>
      <?php } ?>
     
    </ul>
the images are able to move around but I need to know a way to keep photos with their own delete link.  I am thinking of someway using listorder and the page123 to do it.  could anybody help.  I can't really think of a good way to describe the issue...

I get registered spammers on my website, they seem to bypass captcha (manually spamming I believe) and we all know why IP ban is no good so I want to be able to simply delete all rows on my database where this user comes from.

Can you use one query to delete from all tables with WHERE userID= '$userID' ??

Hello, the user selects an id (sid) on select form then presses confirm button. Below is my delete function however I have error :

Warning: Missing argument 5 for dbstudent::delete_student(), called in C:\xampp\htdocs\cw1\delstudent.php on line 36 and defined in C:\xampp\htdocs\cw1\studentfunc.php on line 28
SQL Insertion error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(sid, name, address, postcode, photo) from student where values ('1', '', '', '' at line 1

Please advise!!

     function delete_student($sid, $name, $address, $postcode, $photo) {
        $esc_name = mysql_real_escape_string($name, $this->conn);
        $esc_address = mysql_real_escape_string($address, $this->conn);
        $esc_postcode = mysql_real_escape_string($postcode, $this->conn);
        $esc_photo = mysql_real_escape_string($photo, $this->conn);
        $sql = "delete (sid, name, address, postcode, photo) from student where
values ('{$sid}', '{$esc_name}', '{$esc_address}', '{$esc_postcode}', '{$esc_photo}')";

        $result = mysql_query($sql, $this->conn);

        if (!$result) {
            die("SQL Insertion error: " . mysql_error());
        } else {
            $numofrows = mysql_affected_rows($this->conn);
            return $numofrows;
        }
    }

nevermind delete

I am building a user interface to manipulate a database I have in mySQL and one of the functions is deleting records from a table I call Titles. Given my primary key is mID and a column in the table is Title, here is the code I'm working with:

$sql="delete from myDb.Titles where mID=" . $_GET['mID'];

if (mysql_query($sql))
{
    $target="delete.php?";
}

echo "Successfully deleted title: " . $_GET['Title'];

The actual delete itself is working fine and the record deletes properly. What I am trying to do is display the Title field associated with the record being deleted and it's not working. I don't know if I am misusing the GET function or not, but that's where I am. Any help would be appreciated.

hi. just a quick question about a delete link i have on a page ive made.

basically with the code i have currently...nothing at all happens when i click delete...and i cant for the life of me see the problem.

here is the code for the page where the delete link is.

$sql=mysql_query("SELECT items.itemname, cat.catid, cat.category FROM items,cat WHERE cat.catid=items.catid");
$temp_item = "";
while($res=mysql_fetch_array($sql))
{
echo "<table cellpadding='0' cellspacing='0' width='700'><tr>";
if($res['category'] != $temp_cat )
    {
 echo "<td width='30%'>" . "<b>" . $res['category'] . "</b>" . "</td>" . "<td width='30%'><a href='delcat.php?id=$res[catid]'>Delete Category</a></td></tr>";
$temp_cat=$res['category'];
}




and here is the code for the delete page that should do the deleting.

include_once("config_class.php");

 $db = new db();         // open up the database object
 $db->connect();            // connect to the database

//getting id of the data from url
$id = $_GET['id'];

//deleting the row from table
$result=mysql_query("DELETE FROM cat WHERE listid=$id");

//redirecting to the display page (index.php in our case)
header("Location:list.php?id=$id");


as i said nothing happens...please help anybody?

Hi,

I need a simple command to delete all rows where userID = 2567
I had a shot but didn't work: DELETE FROM * WHERE userID='2567' || usgID='2567'

My website is spammed by this user so I want to delete all records by this userID in my database.

Hope someone can help and thanks!

I want to delete record which i clicked the delete button in the table.

I want a confirm box for delete

Help me solve..

Here is code display.php
Code: [Select]
<?php
$cn=mysql_connect("localhost","root","");

mysql_select_db("register",$cn);

$qry2=mysql_query("SELECT * FROM reg_table");
?>
<html>
<head>
<script type="text/javascript">

function show_confirm()
{
var r=confirm("Do you want to Delete?");
if (r==true) {
 
  }
else {
  alert("You pressed Cancel!");
  }
}

</script>
</head>
<body>
<form action="delete.php" method="get">

<table width="200" border="1">
  <tr>
    <th scope="col">Name</th>
    <th scope="col">Address</th>
    <th scope="col">Gender</th>
    <th scope="col">Qualify</th>
  </tr>
<?php
while($res=mysql_fetch_array($qry2))
{?>

  <tr>
    <td><?php echo $res['name']; ?></td>
    <td><?php echo $res['adrs']; ?></td>
    <td><?php echo $res['gender']; ?></td>
    <td><?php echo $res['qualify']; ?></td>
<td> <a href="edit.php?uid=<?php echo $res['id']; ?>">edit</a></td>
<!--<td>  <button type="button" onClick="return show_confirm();">Delete</button>  </td> -->
    <td> <input type="hidden" name="nid" value="<?php echo $res['id']; ?>" /> </td>
    <td> <input type="submit" value="Delete" name="del" onClick="return show_confirm();">
    </td>

  </tr>
<?php
}
?>

</table>
</form>

</body>
</html>
delete.php

Code: [Select]
<html>


<body>
<?php

$cn=mysql_connect("localhost","root","");

mysql_select_db("register",$cn);


$del_id=$_GET['nid'];
$qry=mysql_query("delete from reg_table where id='".$del_id."' ") or die(mysql_error());

if($qry) {
echo "deleted";
}
else {
echo "not deleted";
}
?>

<!--<form action="update.php" method="get">
<br />
Name:    <input name="name" type="text" maxlength="20" /><br /><br />

<input type="hidden" name="uno" value="// echo $id; ">

<input name="submit" type="submit" value="Save" />
</form>
-->
</body>
</html>

I thought I was deleting (unset) an object, but when adding a destructor, found it was never being fired.  I then used debug_zval_dump() and found that my refcount is 7, and it is my understanding that it must be 3 (more on why I think this later).

I searched where I might have left a copy, but couldn't find it.  Any recommendations how to do so?  I looked for ways to find all references to an object

https://www.php.net/manual/en/language.references.spot.php seems to be on topic, but doesn't say much? https://www.php.net/manual/en/features.gc.refcounting-basics.php seems to imply that xdebug_debug_zval() might help, but I haven't installed http://xdebug.org/ and haven't tested yet. https://stackoverflow.com/questions/2893672/is-there-any-way-to-access-all-references-to-given-object doesn't say much

After manually searching and not finding exactly what I was looking for, I came across this script.

    public function addGatewayClient(GatewayClient $client):TimerInterface
    {
        return $this->loop->addPeriodicTimer($this->period, function() use($client) {
            // bla bla bla
        });
    }

To verify whether a reference was being created, I wrote the below script.

<?php
ini_set('display_errors', 1);

class MyClass
{
    public function __destruct()
    {
        echo('__destruct'.PHP_EOL);
    }    
}

function getZval($v):string {
        ob_start();
        debug_zval_dump($v);
        $rs = ob_get_clean();
        return str_replace(PHP_EOL, '', $rs);
}

$obj = new MyClass;
echo('create object: '.getZval($obj).PHP_EOL);
$objC1 = $obj;
echo('save first reference: '.getZval($obj).PHP_EOL);
$objC2 = $obj;
echo('save second reference: '.getZval($obj).PHP_EOL);

// This is the line to comment out
$func = function() use($obj) {};

echo('set function: '.getZval($obj).PHP_EOL);

unset($objC1);
echo('delete first reference: '.getZval($obj).PHP_EOL);

unset($objC2);
echo('delete second reference: '.getZval($obj).PHP_EOL);

unset($obj);

echo('Done'.PHP_EOL);

If I comment out \\$func = function() use($obj) {};, I see the refcount start at 3, go up to 5 and then back down to 3, then __destruct() being called, and then the script completion "Done".  But then when I don't comment the closure function, I see it go up to 6, go down to 4, the script completion "Done", and then __destruct() being called.

Guess I can just set the object to be deleted to NULL, but I feel there should be a better way.  Any recommendations?

On a side note, debug_zval_dump() is more difficult in the real world if there is recursion, and my getZval() function results in a fatal error by exhausting too much memory.  I also tried just calling debug_zval_dump(), but it definitely wasn't a good call.

Im having trouble deleting the selected checkboxes in my form. I have tried several options out there but none seem to work. here is the code i have which generates the checkboxes. i am alos using jquery to select all.

<form name="checkboxes" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">

This is within the while loop:
echo "<input value=\"{$messages_info->message_id}\" style=\"float:left;\" type=\"checkbox\" name=\"checkbox\" />";

<a href="<?php echo $site_root; ?>/user_center.php?user=<?php echo $_GET['user']; ?>&amp;do=messages&amp;action=del_marked">
&nbsp;Delete Marked</a>&nbsp;</span>

Anyone have any ideas? Thanks

Hi all,

this is probably the easiest thing and I may have just been staring at the screen for too long but one of my DELETE FROM queries isn't working. I created a cart and in the admin area when an admin deletes the product it is supposed to delete it from the 'Products' table and also all the sizes from the 'Sizes_List' table. Right now it is only being deleted from the Products table and not the Sizes_List table.. here is the snippet.. any help would be greatly appreciated.

Code: [Select]
if (isset($_GET['yesdelete'])) {
// remove item from system and delete its picture
// delete from database
$id_to_delete = $_GET['yesdelete'];
$deletefrom_sizes = mysql_query("DELETE FROM Sizes_List WHERE product_id = '$id_to_delete'");
$sql = mysql_query("DELETE FROM Products WHERE product_id='$id_to_delete' LIMIT 1");
// unlink the image from server
// Remove The Pic -------------------------------------------
    $pictodelete = ("../user/rent/inventory_images/$id_to_delete.jpg");
    if (file_exists($pictodelete)) {
            unlink($pictodelete);
    }



header("location: addproduct.php");
    exit();
}

Hi guys! im new to phpfreaks *waving*   im trying to delete row from a table that is populated by data from database using checkbox(and it doesnt matter if its just one checkbox or multiple) but its not working, as in nothing happens. no delete, no errors or warnings, just a refresh.   table:

<form class="event-button-wrap" method="post" action="event.php">
    <div class="button-wrap">
    <input type="submit" id="del_event" name="del_event" value="Delete Event"/>
    </div>
	
    <div class="event-list-table2" >
      <table class="event-table">
	<thead>
	<tr>
          <th>Event Name</th>
	  <th class="head">Event Date</th>
	  <th class="head">Venue</th>
	</tr>
	</thead>
	<tbody class="tbody-event-list-table2">
	<?php
	require "connection.php";
	$check = mysql_query("SELECT * FROM event");
	if(mysql_num_rows($check) > 0)
	{
	  while($row = mysql_fetch_array($check))
	  {
	  $id = $row['event_id'];
          $name = $row['event_name'];
	  $dstart = $row['start_date'];
	  $venue = $row['event_venue']; 						          
          echo 
	  "<tr>
	     <td>
              <input type='checkbox' name='check[]' class='check' value='$id'>$name
             </td>
	  </tr>";
	  }
         }	
	 else
	 {
	  echo 
	  "<tr>
	     <td colspan='4'>There Are No Events.</td>
	   </tr>";
	  }
         ?>
    </tbody>
</table>
</div>
</form>

process is before <!DOCTYPE html>:

<?php
   if(isset($_POST['del_event']))
   {
     if(isset($_POST['check']))
     {
       foreach($_POST['check'] as $del_id)
       {
	$del_id = (int)$del_id;
	require "connection.php";						
	$sqlqueer = mysql_query("DELETE FROM event WHERE event_id = $del_id");
	if($sqlqueer)
	{
	echo "<meta http-equiv=\"refresh\" content=\"0;URL=event.php\">";
	}
     }
    }
?>

thanks in advance!