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file_upload_max_size

  1. drupal
    1. 4.7
    2. 5
    3. 6 file.inc
    4. 7 file.inc
Versions
4.7 – 7 file_upload_max_size()

Determine the maximum file upload size by querying the PHP settings.

Return value

A file size limit in MB based on the PHP upload_max_filesize and post_max_size

Related topics

File interface
Common file handling functions.

▸ 2 functions call file_upload_max_size()

▾ 2 functions call file_upload_max_size()

upload_settings in modules/upload.module
upload_settings_form_validate in modules/upload.module
Form API callback to validate the upload settings form.

Code

includes/file.inc, line 742

<?php
function file_upload_max_size() {
  static $max_size = -1;

  if ($max_size < 0) {
    $upload_max = _file_convert_to_mb(ini_get('upload_max_filesize'));
    // sanity check- a single upload should not be more than 50% the size limit of the total post
    $post_max = _file_convert_to_mb(ini_get('post_max_size')) / 2;
    $max_size = ($upload_max < $post_max) ? $upload_max : $post_max;
  }
  return $max_size;
}
?>