function file_upload_max_size

Same name and namespace in other branches
  1. 8.9.x core/includes/ \file_upload_max_size()

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

Return value

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

Related topics

4 calls to file_upload_max_size()
file_ajax_upload in modules/file/file.module
Menu callback; Shared Ajax callback for file uploads and deletions.
file_field_instance_settings_form in modules/file/
Implements hook_field_instance_settings_form().
file_field_widget_upload_validators in modules/file/
Retrieves the upload validators for a file field.
file_save_upload in includes/
Saves a file upload to a new location.


includes/, line 2267


function file_upload_max_size() {
    static $max_size = -1;
    if ($max_size < 0) {
        // Start with post_max_size.
        $max_size = parse_size(ini_get('post_max_size'));
        // If upload_max_size is less, then reduce. Except if upload_max_size is
        // zero, which indicates no limit.
        $upload_max = parse_size(ini_get('upload_max_filesize'));
        if ($upload_max > 0 && $upload_max < $max_size) {
            $max_size = $upload_max;
    return $max_size;

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