filenev

php, fajl feltoltesnel, nem alfabetikus karakterek csereje:

GeSHi (php):

 function clear_name($image_name){
  $repstring="-"; // azert "-", mert a bot-ok szunetkent kezelik, tehat keresobarat megoldas
  $image_drive=array_shift(explode("\\",$image_name)); // kiszurom a meghajto jelet
  $image_without_drive=preg_replace("/$image_drive/","",$image_name); // kep neve meghajto nelkul
  $image_without_drive_and_illegal_chars=preg_replace("/[^A-Za-z0-9.]/", $repstring, $image_without_drive); // kep neve illegalis karakterek nelkul, a "." meghagyva a kiterjesztesek vegett
  $image_without_drive_and_illegal_chars_and_single_repstring=preg_replace("/$repstring.$repstring/","",$image_without_drive_and_illegal_chars); // a tobbszori "-"-ek torlese
  return rand(0,1000).$image_without_drive_and_illegal_chars_and_single_repstring; // fajlnev egyedive tetele random szamokkal
 }
// print(clear_name($_FILES['image_field']['name'])); // ez a form "image_field" inputjabol alakit
 print(clear_name('D:\clo˛#&@&@{#&@@{verfi#&@@@#&#@#&@#eld-hmed-12p.hlarge#&@asd.jpg')); // pelda
?>