file_validate_extensions

• Drupal 6
• Drupal 7

Versions

6

file_validate_extensions($file, $extensions)

7

file_validate_extensions(stdClass $file, $extensions)

Check that the filename ends with an allowed extension. This check is not enforced for the user #1.

Parameters

$file A Drupal file object.

$extensions A string with a space separated

Return value

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

Related topics

File interface

Common file handling functions.

Code

includes/file.inc, line 625

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

  $errors = array();

  // Bypass validation for uid  = 1.
  if ($user->uid != 1) {
    $regex = '/\.('. ereg_replace(' +', '|', preg_quote($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;
}
?>

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