How can PHP be used to ensure that the selected value from one form is marked as "selected" in a dropdown list in another form?

To ensure that the selected value from one form is marked as "selected" in a dropdown list in another form, you can pass the selected value as a variable through the form submission. Then, in the second form, use PHP to check if each option's value matches the selected value and add the "selected" attribute accordingly. 

// First form submission
$selected_value = $_POST['selected_value'];

// Second form dropdown list
echo '<select name="dropdown">';
$options = array('Option 1', 'Option 2', 'Option 3');

foreach ($options as $option) {
    if ($option == $selected_value) {
        echo '<option value="' . $option . '" selected>' . $option . '</option>';
    } else {
        echo '<option value="' . $option . '">' . $option . '</option>';
    }
}
echo '</select>';

Keywords

PHP form dropdown list selected value HTML

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