public function DrupalLocalStreamWrapper::stream_metadata in Drupal 7

Sets metadata on the stream.

WARNING: Do not call this method directly! It will be called internally by PHP itself when one of the following functions is called on a stream URL:

@link http://php.net/manual/streamwrapper.stream-metadata.php

Parameters

string $uri: A string containing the URI to the file to set metadata on.

int $option: One of:

• STREAM_META_TOUCH: The method was called in response to touch().
• STREAM_META_OWNER_NAME: The method was called in response to chown() with string parameter.
• STREAM_META_OWNER: The method was called in response to chown().
• STREAM_META_GROUP_NAME: The method was called in response to chgrp().
• STREAM_META_GROUP: The method was called in response to chgrp().
• STREAM_META_ACCESS: The method was called in response to chmod().

mixed $value: If option is:

• STREAM_META_TOUCH: Array consisting of two arguments of the touch() function.
• STREAM_META_OWNER_NAME or STREAM_META_GROUP_NAME: The name of the owner user/group as string.
• STREAM_META_OWNER or STREAM_META_GROUP: The value of the owner user/group as integer.
• STREAM_META_ACCESS: The argument of the chmod() as integer.

Return value

bool Returns TRUE on success or FALSE on failure. If $option is not implemented, FALSE should be returned.

See also

touch()

chmod()

chown()

chgrp()

File

includes/stream_wrappers.inc, line 588

Drupal stream wrapper interface.

Class

DrupalLocalStreamWrapper

Drupal stream wrapper base class for local files.

Code

public function stream_metadata($uri, $option, $value) {
  $target = $this
    ->getLocalPath($uri);
  $return = FALSE;
  switch ($option) {
    case STREAM_META_TOUCH:
      if (!empty($value)) {
        $return = touch($target, $value[0], $value[1]);
      }
      else {
        $return = touch($target);
      }
      break;
    case STREAM_META_OWNER_NAME:
    case STREAM_META_OWNER:
      $return = chown($target, $value);
      break;
    case STREAM_META_GROUP_NAME:
    case STREAM_META_GROUP:
      $return = chgrp($target, $value);
      break;
    case STREAM_META_ACCESS:
      $return = chmod($target, $value);
      break;
  }
  if ($return) {

    // For convenience clear the file status cache of the underlying file,
    // since metadata operations are often followed by file status checks.
    clearstatcache(TRUE, $target);
  }
  return $return;
}