chamilo / chamilo-lms

        $sql_query = "SELECT * FROM $user_table";

        if (count($conditions) > 0) {

            $sql_query .= ' WHERE ';

            foreach ($conditions as $field => $value) {

                $field = Database::escape_string($field);

                $value = Database::escape_string($value);

                $sql_query .= $field.' LIKE \''.$value.'%\'';

            }

        }

        $order = '';

        foreach ($order_by as $orderByItem) {

$sqlConditions = null;

if (!empty($conditions)) {

    $temp_conditions = array();

    foreach ($conditions as $field => $value) {

        $field = Database::escape_string($field);

        $value = Database::escape_string($value);

        $temp_conditions[] = $field.' LIKE \'%'.$value.'%\'';

    }

    if (!empty($temp_conditions)) {

        $sqlConditions .= implode(' AND ', $temp_conditions);

    }