Cdn_MaxCdn_Popup_View_Zones.php

<?php
namespace W3TC;

if ( !defined( 'W3TC' ) )
	die();
?>
<form class="w3tc_cdn_maxcdn_form" method="post">
    <?php
Util_Ui::hidden( '', 'api_key', $details['api_key'] );
?>
    <div class="metabox-holder">
        <?php Util_Ui::postbox_header( __( 'Select zone to use', 'w3-total-cache' ) ); ?>
        <table class="form-table">
            <tr>
                <td>Zone:</td>
                <td>
                    <?php
if ( count( $details['zones'] ) > 15 )
	echo '<div style="width: 100%; height: 300px; overflow-y: scroll">';
?>

                    <?php foreach ( $details['zones'] as $zone ): ?>
                        <label>
                            <input name="zone_id" type="radio" class="w3tc-ignore-change"
                                value="<?php echo $zone['id'] ?>" />
                            <?php echo $zone['name'] ?>
                            (<?php echo $zone['cdn_url'] ?>)
                        </label><br />
                    <?php endforeach ?>

                    <label>
                        <input name="zone_id" type="radio" class="w3tc-ignore-change" value=""
                            />
                        Add new zone:
                    </label>
                    <input name="zone_new_name" type="text" class="w3tc-ignore-change" />

                    <?php
	if ( count( $details['zones'] ) > 15 )
		echo '</div>';
?>
                </td>
            </tr>
        </table>

        <p class="submit">
            <input type="button"
                class="w3tc_cdn_maxcdn_view_zone w3tc-button-save button-primary"
                value="<?php _e( 'Apply', 'w3-total-cache' ); ?>" />
        </p>
        <?php Util_Ui::postbox_footer(); ?>
    </div>
</form>