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PHP MYSQL Form - Multiple Select List

Thread began 12/30/2009 2:51 pm by karen.marley367377 | Last modified 5/03/2011 4:03 pm by karen.marley367377 | 18699 views | 29 replies

scr298498

Hey,

I am trying to do a similar thing, but with checkboxes. My array is exploding fine so no problems there. This is what I have on my update for for the checkboxes:

php:
<?php do { ?>
        <input name="file_tags[]" type="checkbox" id="file_tags_<?php echo $row_tags['tag'?>" value="<?php echo $row_tags['tag']; ?><?php if (in_array($row_WADAresources['file_tags'], $tags_selected)) { print("checked='checked'");} ?> /> 
        
<?php echo $row_tags['tag'?><br />
<?php } while ($row_tags mysql_fetch_assoc($tags)); ?>



None of the checkboxes are checked though. Not really sure what I'm doing wrong? Any help would be awesome!

Thanks!



Originally Said By: Eric Mittman
  You would have to start with the value string that comes from the db and turn it into an array like this:

php:
$the_selections = explode(", ", $row_YourRS['the values']);


Once you have an array of values you can add in some code per option in the select list to check if the value of that option is in the list. Here is an example of what that code would look like:

php:
<option <?php echo ((in_array("1"$the_selections))?"selected='selected'":""); ?>value="1">one</option>


What I have listed as 1 in this example should be replaced with your recordset values for these options.

If you use this in_array() function it allows you to make the comparison without looping and making an if statement. I'm including a small two page example with the code so that you have a reference for this.  

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