function cjtheme_modify_activity_filters($filters, $context)
{
    $activity_categories = cjtheme_activity_categories();
    foreach ($filters as $key => $filter) {
        if (!in_array($key, array_keys($activity_categories))) {
            unset($filters[$key]);
        }
    }
    return $filters;
}
?>
			>
				<?php 
if (isset($_GET['r'])) {
    ?>
@<?php 
    echo esc_textarea($_GET['r']);
    ?>
 <?php 
}
?>
			</textarea>

			<select name="category" id="category" class="form-control">
				<?php 
foreach (cjtheme_activity_categories() as $key => $value) {
    echo '<option value="' . $key . '">' . $value . '</option>';
}
?>
			</select>
		</div>

		<div id="whats-new-options">

			<?php 
if (bp_is_active('groups') && !bp_is_my_profile() && !bp_is_group()) {
    ?>
				<div id="whats-new-post-in-box">
					<?php 
    _e('Choose Category', 'buddypress');
    ?>