PHP Users_Model::is_facebook_account示例

<div id="ajax-content">
    <?php 
if (!Users_Model::is_facebook_account()) {
    ?>
    <div class="fb-add-account">
        <div id="dashboard-header" class="row dashboard-head">

            <div class="dashboard-headline">

                <div class="col-xs-12 col-sm-8 col-md-8">

                    <h3>Add a Facebook Account</h3>
                    <br>
                    <p>Please add you Facebook account to get information.</p>

                </div>

                <div class="clearfix"></div>
            </div>
        </div>

        <div class="row stats_wrap">
            <div class="col-xs-12 col-sm-8 col-md-8">

                <input type="button" class="btn btn-info add-facebook-account" value="Add an account">
            </div>
        </div>
    </div>
    <?php 
} else {
    ?>