Codeigniter set_value - php

Question

How do I make it so that when I go through with error validation on my post form, it doesn't only send back the default values from the database, but if I were to edit the values and hit submit, it would save the data I tried to update with. I'm stuck where I can only do one or the other.
<? if (isset($update)) { ?>
<?php echo set_value ('fname'); ?>
<?= form_open("Phonebook/updateentry/" . $entry['id']) ?>
<?= form_fieldset("Update Entry"); ?>
<?= form_label('First Name: ', 'fname'); ?> <br>
<?= form_input(array('name' => 'fname', 'id' => 'fname', 'value' => $entry['fname'])); ?> <br>
<?= form_label('Last Name: ', 'lname'); ?> <br>
<?= form_input(array('name' => 'lname', 'id' => 'lname', 'value' => $entry['lname'])); ?> <br>
<?= form_label('Phone Number: ', 'phone'); ?> <br>
<?= form_input(array('name' => 'phone', 'id' => 'phone', 'value' => $entry['phone'])); ?> <br>
<?= form_label('Email: ', 'email'); ?> <br>
<?= form_input(array('name' => 'email', 'id'=>'email', 'value' => $entry['email'])); ?> <br>
<?= form_submit('phonebooksubmit', 'Submit'); ?>
<?= form_fieldset_close(); ?>
<?= form_close() ?>
<? } ?>
private function display()
{
$query = $this->db->query("SELECT * FROM phonebook ORDER BY id ASC;");
$this->TPL['listing'] = $query->result_array();
$this->load->view('phonebook_view', $this->TPL);
}
public function updateentry($id)
{
$this->form_validation->set_rules('fname', 'First Name', 'required|alpha|min_length[5]|max_length[15]',
array(
'required' => 'You have not provided the %s. ',
'alpha' => '%s must only compose of alphanumeric letters.',
'max_length' => 'You exceeded max char of 20 . ',
'min_length' => 'The min length must be 5 . '
));
$this->form_validation->set_rules('lname', 'Last Name', 'required|alpha|min_length[5]|max_length[20]',
array(
'required' => 'You have not provided %s .',
'alpha' => '%s must only compose of alphanumeric letters.',
'max_length' => 'You exceeded max char of 20 . ',
'min_length' => 'The min length must be 5 . '
));
$this->form_validation->set_rules('phone', 'Phone Number', 'required|regex_match[/^([0-9]{3})[-. ]([0-9]{4})$/]',
array(
'required' => 'You have not provided %s .',
'regex_match' => 'Please use the correct phone format.'
));
$this->form_validation->set_rules('email', 'Email', 'required|valid_email',
array(
'required' => 'You have not provided %s .',
'valid_email' => 'Please provide valid email. '
));
$this->form_validation->set_error_delimiters('<p class = "errorlist">' , '</p>');
if ($this->form_validation->run() == FALSE) {
$query = $this->db->query("SELECT * FROM phonebook where id = '$id';");
$this->TPL['entry'] = $query->result_array()[0];
$this->TPL['update'] = true;
$this->TPL['memory'] = true;
$this->display();
}
else
{
$fname = $this->input->post("fname");
$lname = $this->input->post("lname");
$phone = $this->input->post("phone");
$email = $this->input->post("email");
$query = $this->db->query("UPDATE phonebook " .
"SET fname = '$fname'," .
" lname = '$lname'," .
" phone = '$phone'," .
" email = '$email'" .
" WHERE id = '$id';");
$this->display();
}
}
I know I have to use the set_value() but i'm not sure how to make it so that it can do both.

Answer 1

set_value has a second parameter, which is the default. In the case of you pulling up records and editing them, it looks like this:
// $data is from your database
set_value('name', $data['name'])
I used "name" as an example, but this could be any field in your record.
But back in your controller, you'd want something like this:
if( $this->input->method == 'POST' )
// Do your validation and updating to the record
// Then pull in the record for your view
$view_data['data'] = $this->db->query('... ... ...');
By doing this, you're always pulling in the fresh data

Answer 2

Your code looks pretty solid.
I would suggest to try adding a
$this->db->update(.......)
at the end of your function.
Then the database gets updated with up-to-the-second info.
Hope this helps.