<?php
// Custom profile search
function custom_profile_search()
{
	global $wpdb, $bp;
	
	$userids = array();
	$search_fields_id = array(4, 5, 8, 65, 106, 117, 118, 119, 122, 244, 245, 264, 265);
	$search_quote = trim($_POST['search_quote']);
	$allowed_users_ids = array();
	$options = get_option('contributors_list');

	if ($options && count($options) > 0)
		foreach ($options as $allowed_user_id => $value)
			$allowed_users_ids[] = $allowed_user_id;
	
	if ($_POST['custom_profile_search'] != true && $search_quote == "")
	{
		$userids = $allowed_users_ids;
	}
	else
	{
		if (bp_has_profile('hide_empty_fields=0')):
			while (bp_profile_groups()): bp_the_profile_group();
				while (bp_profile_fields()): bp_the_profile_field();

					$id = bp_get_the_profile_field_id();

					if (!in_array($id, $search_fields_id))
						continue;

					$sql = "SELECT user_id 
							FROM {$bp->profile->table_name_data} 
							WHERE field_id = $id";

					$sql .=	" AND value LIKE '%%$search_quote%%'";

					$found = $wpdb->get_results($wpdb->prepare($sql));

					if (count($found) > 0)
					{
						foreach ($found as $user)
						{
							$userid = $user->user_id;

							if (!in_array($userid, $allowed_users_ids))
								continue;

							if (!in_array($userid, $userids))
								$userids[] = $userid;
						}
					}
				endwhile;
			endwhile;
		endif;
	}
	
	return $userids;
}