//conection to database//


$con = mysqli_connect ("localhost", "root", "","redlynx");


//geting colors//

function getColors(){
    global $con;

    $get_colors =" select * from colors";

    $run_colors = mysqli_query ($con,$get_colors);


    while ($row_colors=mysqli_fetch_array ($run_colors)){
        $colors_id=$row_colors ['colors_id'];
        $colors_title=$row_colors ['colors_title'];

    echo "<li><a href='#' >$colors_title</a></li>";
    }
}

<?php
include ("functions/functions.php");
?>

<?php
              get_colors ();
              ?>