function _services_file_check_name in Services 7.3

Sanitizes a user-input file or directory name.

Parameters

string $name: The file or directory name.

Return value

string A safe name.

1 call to _services_file_check_name()

_services_file_check_name_extension in resources/file_resource.inc

Sanitizes a user-input file name and extension.

1 string reference to '_services_file_check_name'

_services_file_check_destination in resources/file_resource.inc

Sanitizes a user-input file path, name and extension.

File

resources/file_resource.inc, line 500

File resource.

Code

function _services_file_check_name($name) {

  // Punctuation characters that are allowed, but not as first/last character.
  $punctuation = '-_. ';
  $map = array(
    // Replace (groups of) whitespace characters.
    '!\\s+!' => ' ',
    // Replace multiple dots.
    '!\\.+!' => '.',
    // Remove characters that are not alphanumeric or the allowed punctuation.
    "![^0-9A-Za-z{$punctuation}]!" => '',
  );

  // Apply the regex replacements. Remove any leading or hanging punctuation.
  return trim(preg_replace(array_keys($map), array_values($map), $name), $punctuation);
}