Delete a jpg file from host with php code - php

Question

in this php ,i want get a "ID" and find the Img1 for this ID from database.(The url of the Img1 is stored in the database).
and then delete this file.but the img1 dont deleted
function delete(){
$connection = connectToDatabase();
$ID = $_REQUEST['ID'];
if($ID!==""){
$result1 = mysqli_query($connection,"select Img1 from banners where ID='$ID' ");
$row = mysqli_fetch_array($result1);
$namefile1 = $row[0];//(in $namefile1 the url address of img1 is saved like this:http://bestabsd.com/bestfile/pics/jan18-11-28-20-46-36.jpg)
$files = glob($namefile1);
foreach($files as $file){
if(is_file($file))
unlink($file);}
mysqli_close($connection);
}

Answer 1

EDIT: i edit my code to new for make a path, but the jpg dont deleted yet....
function delete(){
$connection = connectToDatabase();
$ID = $_REQUEST['ID'];
if($ID!==""){
$result1 = mysqli_query($connection,"select Img1 from banners where ID='$ID' ");
$row = mysqli_fetch_array($result1);
$namefile1 = $row[0];
$namefile11=str_replace("http://bestabsd.com/bestfile/pics/", "", $namefile1);
$base_directory = '/home/bestabsd/public_html/bestfile/pics/';
unlink($base_directory.$namefile11);
mysqli_close($connection);
}else {
print "null";
}