function FileSystem::unlink
Deletes a file.
PHP's unlink() is broken on Windows, as it can fail to remove a file when it has a read-only flag set.
Parameters
string $uri: A URI or pathname.
resource $context: Refer to http://php.net/manual/ref.stream.php
Return value
bool Boolean TRUE on success, or FALSE on failure.
Overrides FileSystemInterface::unlink
1 call to FileSystem::unlink()
- FileSystem::delete in core/lib/ Drupal/ Core/ File/ FileSystem.php 
- Deletes a file without database changes or hook invocations.
File
- 
              core/lib/ Drupal/ Core/ File/ FileSystem.php, line 110 
Class
- FileSystem
- Provides helpers to operate on files and stream wrappers.
Namespace
Drupal\Core\FileCode
public function unlink($uri, $context = NULL) {
  if (!$this->streamWrapperManager
    ->isValidUri($uri) && str_starts_with(PHP_OS, 'WIN')) {
    chmod($uri, 0600);
  }
  if ($context) {
    return unlink($uri, $context);
  }
  else {
    return unlink($uri);
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
