Downloads Organiser

<?php
$needle = array("DVDRIP. Jaybob", "{", "}", "[", "]", ".");
$replacements = array("", "(", ")", "(", ")", " ");
$accepted_movie_types = array("avi", "wmv", "mp4");
$wanted_file_types = array("srt");
$unwanted_file_types = array("txt", "exe", "url", "xpi", "jpg");
if($fh[1] = opendir("../Downloads")){
    while(false !== ($folder = readdir($fh[1]))){
        if($folder != "." && $folder != ".."){
            if(preg_match("/[A-Za-z0-9_,\. ]{1,}(\{|\(|\[)+[0-9]{4}+(\}|\)|\])[A-Za-z0-9()[\]\-\. ]{0,}/", $folder)){
                $new_folder_name = explode(")", ucwords(strtolower(str_replace($needle, $replacements, $folder))));
                if($isset($new_folder_name[1])){
                    $new_folder_name = $new_folder_name[0].")";
                }else{
                    $new_folder_name = $new_folder_name[0];
                }
                echo "<br><br>$folder = $new_folder_name <br>\n";
                echo "Contents:<br>\n";
                foreach(glob("../Downloads/$folder/*.*") as $file){
                    $extension = strtolower(substr($file, -3));
                    $file_name = basename($file);
                    echo "$file<br>\n";
                    if(in_array($extension, $accepted_movie_types)){
                        if(!file_exists("/Movies/$new_folder_name/$new_folder_name.$extension")){
                            if(!is_dir("/Movies/$new_folder_name/")){
                                mkdir("/Movies/$new_folder_name/");
                            }
                            if(rename("$file", "/Movies/$new_folder_name/$new_folder_name.$extension")){
                                echo "FILE MOVE SUCCESSFUL!<br>\n";
                            }else{
                                echo "FILE MOVE FAILED!<br>\n";
                            }
                        }else{
                            echo "CANNOT MOVE FILE! File already exists in Movies<br>\n";
                        }
                    }elseif(in_array($extension, $wanted_file_types)){
                        if(!file_exists("/Movies/$new_folder_name/$file_name")){
                            if(!is_dir("/Movies/$new_folder_name/")){ //Shouldn't have to do this, but anywho.
                                mkdir("/Movies/$new_folder_name/");
                            }
                            if(rename($file, "/Movies/$new_folder_name/$file_name")){
                                echo "Wanted file moved!<br>\n";
                            }else{
                                echo "Moving of wanted file FAILED!<br>\n";
                            }
                        }
                    }elseif(in_array($extension, $unwanted_file_types)){
                        if(unlink($file)){
                            echo "DELETED: $file<br>\n";
                        }else{
                            echo "FAILED TO DELETE: $file<br>\n";
                        }
                    }
                }
                if(rmdir("../Downloads/$folder")){
                    echo "Successfully Removed Old Containing Folder!<br>\n";
                }else{
                    echo "Failed To Remove Old Containing Folder! This is probably because the folder is not empty.<br>\n";
                }
            }
        }
    }
}
closedir($fh[1]);
?>