Deleting "messages" from the inbox

Posted on 2009-04-08
Medium Priority
Last Modified: 2013-12-12
what would the best method be to delete the messages you dont want by checking the check boxes?
<table width="80%" class='forum'>
    <td><table width="100%" class='maintable'>
<tr class='headline'>
  <td align="center"><b><u>Select</u></b></td>
  <td align="center">Status</td>
  <td align="center">Sender</td>
  <td align="center">Image</td>
  <td>Sent On</td>
		//Ok cool, now we stick it all into an array and we will dispaly it now
		while($inbox = mysql_fetch_array($sqlinbox))
			//These are the variables we have the id of the private message, we have the person who sent the message, we have the subject of the message, and yeah thats it
			$pm_id = $inbox['id'];
			$sender = $inbox['sender'];
			$subject = $inbox['subject'];
			$time = $inbox['time'];
			$new = $inbox['recieved'];
			//So lets show the subject and make that a link to the view message page, we will send the message id through the URL to that page so it can be displayed
			//And also let the person wee who sent it to them, if you want you can make that some sort of a link to view more stuff about the user, but Im not doing that here, I did it for my game though, pretty much same as the viewmsg.php page but a different page, and with the senders id
			//And finally the checkboxes that are all stuck into an array and if they are selected we stick the private message id into the array
			//I will only let my users have a maximum of 50 messages, remeber that ok? Because that's the value I will use later for things
 <tr <?php if($important==1) {
    $class = "mainrow1";
} else {
    $class = "mainrow";
}  ?> class="<? echo $class?>">
   <td width="5%" height="18" align="center" valign="top"><input name="pms[]" type="checkbox" value="<?php echo $pm_id; ?>" />
   <td width="6%" height="18" align="center" valign="top"><?php if  ($new == 0 ){echo 'Unread';} else {echo 'Read';} ?>   
   <td width="9%" align="center" valign="top"><p><a href="http://www.runningprofiles.com/members/<?php echo $sender; ?>"><?php echo $sender; ?></a></p>
     <p><a href="http://www.runningprofiles.com/members/<?php echo $sender; ?>"></a></p>
     <p>&nbsp;       </p>
   <td width="9%" align="center" valign="top"><a href="http://www.runningprofiles.com/members/<?php echo $sender; ?>">
   <?php $sender = $inbox['sender']; $getuser="SELECT * FROM users WHERE Username = '$sender' "; 
$getuser2=mysql_query($getuser) or die("Could not get user")  ;
  $image = $getuser3['image'];
echo "<img src=\"http://www.runningprofiles.com/members/images/mini/$image\" border=\"1\"  />";
   <td width="37%" align="center" valign="top"><p align="left"><a href="index.php?page=viewmsg&msg_id=<?php echo $pm_id; ?>"><?php echo $subject; ?></a>
   <td align="left" valign="top"><?php $time1 = date("F j Y, g:i a", $time); echo $time1; ?>     <div align="left"></div></td>
 <tr <?php if($important==1) {
    $class = "mainrow1";
} else {
    $class = "mainrow";
}  ?> class="<? echo $class?>">
   <td height="19" colspan="6" align="center" valign="middle"><input type="submit" name="Submit" value="Delete Selected">     </tr>

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Question by:runnerjp
  • 3
  • 3
LVL 21

Expert Comment

ID: 24095654
foreach message have a checkbox with a control array (same name with "[ ]". for example:

pseudo code:
<input name="checkmessage[]" value="{InsertMessageIdHere}"> Foo Bar
<input name="checkmessage[]" value="{InsertMessageIdHere}"> Hello World
<input name="checkmessage[]" value="{InsertMessageIdHere}"> Nerd

pseudo display:
[ ] Foo Bar
[x] Hello World
[x] Nerd

In processing you would run a for loop through the Ids to build a DELETE query,

Mission complete.

LVL 10

Expert Comment

ID: 24095668
If you want the hotmail style checkboxes and a delete button, make a form like the one in the code below. Look at the $_POST array. You can use this data to make an SQL update or delete statement or whatever you need.

// Test data
	$messages[] = array('id'=>'1', 'subject'=>'Message1', 'date'=>'20090408');
	$messages[] = array('id'=>'2', 'subject'=>'Message2', 'date'=>'20090408');
	$messages[] = array('id'=>'3', 'subject'=>'Message3', 'date'=>'20090408');
	$messages[] = array('id'=>'4', 'subject'=>'Message4', 'date'=>'20090408');
?><!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" >
	<style type="text/css">
  <form method="post" action="<?php echo $_SERVER['PHP_SELF']?>"><!-- you should always use the POST method to make changes to your database -->
		<input type="submit" name="operation" value="Delete" />
		<input type="submit" name="operation" value="Move" />
	foreach($messages as $message)
				<tr><td><input type="checkbox" name="selection[]" value="<?php echo $message['id']; ?>" /></td><td><?php echo $message['subject']; ?></td><td><?php echo $message['date']; ?></td></tr>

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Author Comment

ID: 24095794
ok if my vardump is array(2) { ["pms"]=>  array(2) { [0]=>  string(2) "29" [1]=>  string(2) "28" } ["Submit"]=>  string(15) "Delete Selected" }

how would i get which checkboxes where selected so i can do this $delete="DELETE FROM messages WHERE id=??  

in other worlds how do i perform a get on the checkboxes?
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LVL 10

Expert Comment

ID: 24095979
That is what the pms array is: a list of the ids that you want to delete.
Make your where clause like this:

WHERE id in ({list of ids from the array})


Author Comment

ID: 24096029
but im confused what the  would look like??

$delete="DELETE FROM messages WHERE id=?????";
      mysql_query($delete) or die("Error: " . mysql_error());
LVL 10

Accepted Solution

ollyatstithians earned 2000 total points
ID: 24096152
Use the implode() function to make a list out of your array of ids.

$delete="DELETE FROM messages WHERE id in (".implode(',', $_POST['pms']).")";
      mysql_query($delete) or die("Error: " . mysql_error());

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Author Closing Comment

ID: 31567955
ahh implode!!!!!! thats why it wouldnt work...thanks :)

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