file_check_upload

• Drupal 4.6
• Drupal 4.7
• Drupal 5

Versions

4.6

file_check_upload($source)

4.7 – 5

file_check_upload($source = 'upload')

Check if $source is a valid file upload.

Parameters

$source

Related topics

File interface

Common file handling functions.

Code

includes/file.inc, line 148

<?php
function file_check_upload($source) {
  if (is_object($source)) {
    if (is_file($source->filepath)) {
      return $source;
    }
  }
  elseif ($_FILES["edit"]["name"][$source] && is_uploaded_file($_FILES["edit"]["tmp_name"][$source])) {
    $file = new StdClass();
    $file->filename = trim(basename($_FILES["edit"]["name"][$source]), '.');
    $file->filepath = $_FILES["edit"]["tmp_name"][$source];
    $file->filemime = $_FILES["edit"]["type"][$source];

    if (((substr($file->filemime, 0, 5) == 'text/' || strpos($file->filemime, 'javascript')) && (substr($file->filename, -4) != '.txt')) || preg_match('/\.(php|pl|py|cgi|asp)$/i', $file->filename)) {
      $file->filemime = 'text/plain';
      rename($file->filepath, $file->filepath .'.txt');
      $file->filepath .= '.txt';
      $file->filename .= '.txt';
    }

    $file->error = $_FILES["edit"]["error"][$source];
    $file->filesize = $_FILES["edit"]["size"][$source];
    $file->source = $source;
    return $file;
  }
  else {
    // In case of previews return previous file object.
    if (file_exists($_SESSION['file_uploads'][$source]->filepath)) {
      return $_SESSION['file_uploads'][$source];
    }
  }
}
?>

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