Set select the value of a dropdown menu in codeigniter

Question

I know how to set the inserted value if it is an input control.

Example :

<input type="text" name="fullname" value="<?php echo isset($_SESSION['regData']['fullname']) ? set_value('fullname', $_SESSION['regData']['fullname']) : set_value('fullname'); ?>">

This code will still display your inserted value after the submit button. But how should I apply it with the dropdown control?

I tried to do like this but it's not working :

<select name="gender" class="form-control">
    <?php

    if(!empty($genders)){
        foreach ($genders as $row) {
            echo '<option value="'.$row['id'].'"';

            if($row['id'] == $_SESSION['regData']['gender']){
                echo set_select('gender', $_SESSION['regData']['gender']);
            } else {
                echo set_select('gender', $row['id']);
            }

            echo '>'.$row['gender_title'].'</option>';
        }
    }

    ?>
</select>

What is the correct way to apply it? Thank you.

Answer 1

I found a trick to do this. From the controller I have set a variable to the gender if the form_validation->run() is failed.

if($this->form_validation->run() == TRUE){
    // Other statement goes here
} else {
    $this->data['gender'] = TRUE;
}

At my view side I do it like this :

<select name="gender" class="form-control">
    <?php
    if(!empty($genders)){
        foreach ($genders as $row) {

            echo '<option value="'.$row['id'].'"';

            if(isset($gender)){
                echo set_select('gender', $row['id']);
            } else {
                if(isset($_SESSION['regData']['gender']) && $_SESSION['regData']['gender'] == $row['id']){
                    echo 'selected';
                }
            }

            echo '>'.$row['gender_title'].'</option>';
        }
    }
    ?>
</select>

So when the form is submitted and throwing an error, instead of reading the value of the session, it will read the value based on the user select.