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1. drupal
   1. drupal6
   2. drupal7

Check that the filename ends with an allowed extension.

see hook_file_validate()

Übergabeparameter

$file A Drupal file object.

$extensions A string with a space separated list of allowed extensions.

Rückgabewert

An array. If the file extension is not allowed, it will contain an error message.

Verwandte Themen

File interface

Common file handling functions.

Code

includes/file.inc, line 1082

<?php
function file_validate_extensions($file, $extensions) {
  global $user;

  $errors = array();

  $regex = '/\.(' . preg_replace('/ +/', '|', preg_quote($extensions)) . ')$/i';
  if (!preg_match($regex, $file->filename)) {
    $errors[] = t('Only files with the following extensions are allowed: %files-allowed.', array('%files-allowed' => $extensions));
  }
  return $errors;
}
?>