Write a PHP file, put a button in it, click the button to find the specified file to download (this p

The code I wrote is as follows :? Phpfunctionquery({$file_nameinfo_check.exe; $ file_dirwww.easycn.net; $ file @ fopen ($ file_dir. $ file_name, r); if (! $ File) {echo file not found;} else {Header (Content-type: applicationoctet-stream );

The code I wrote is as follows :? Php function query () {$ file_name = "info_check.exe"; $ file_dir = "www.easycn.net/"; $ file = @ fopen ($ file_dir. $ file_name, "r"); if (! $ File) {echo "file not found";} else {Header ("Content-type: application/octet-stream ");

The code I wrote is as follows:

Function query (){
$ File_name = "info_check.exe ";
$ File_dir = "www.easycn.net /";
$ File = @ fopen ($ file_dir. $ file_name, "r ");
If (! $ File ){
Echo "file not found ";
} Else {
Header ("Content-type: application/octet-stream ");
Header ("Content-Disposition: attachment; filename =". $ file_name );
While (! Feof ($ file )){
Echo fread ($ file, 50000 );
}
Fclose ($ file );
}
}
If ($ _ POST ["do"] = "yes "){
Query ();
}
?>