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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 | 21936 views | 29 replies

Eric Mittman

Thanks for the files, it clears things up a bit. On your insert page you are using the implode correctly to create a string of the selections that the user has made. On the update page you are not using the explode correctly for this information.

Just after the code for your properties recordset you will need to add in some custom code to store the exploded array into a variable, it might look like this:

$the_properties = explode(", ", $row_WADAproperties['PropertyType']);

This will give you an array of the selections that were made by the user. With this new array you can use the in_array comparison in your select list on the page. You will need to update the check you are doing with the current in_array for the options. The options in the select list should look like this:

<option value="<?php echo $row_rspropertytypes['PropertyType']?>"<?php if (in_array($row_rspropertytypes['PropertyType'], $the_properties)) { print("selected='selected'");} ?>><?php echo $row_rspropertytypes['PropertyType']?></option>

This should ensure that the values that were selected on the insert page are shown on the update page by default. There is one more thing you will need to change, since the select list will return an array of values you need to implode the array in your insert server behavior. Currently you are exploding this value, if you change this to the implode it should work. Please give this a try and let us know what the result is for you.

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