public function SSH::isFile in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/FileTransfer/SSH.php \Drupal\Core\FileTransfer\SSH::isFile()

Checks if a particular path is a file (not a directory).

Parameters

string $path: The path to check.

Return value

bool TRUE if the specified path is a file, FALSE otherwise.

Overrides FileTransfer::isFile

File

core/lib/Drupal/Core/FileTransfer/SSH.php, line 113

Class

SSH

The SSH connection class for the update module.

Namespace

Drupal\Core\FileTransfer

Code

public function isFile($path) {
  $file = escapeshellarg($path);
  $cmd = "[ -f {$file} ] && echo 'yes'";
  if ($output = @ssh2_exec($this->connection, $cmd)) {
    if ($output == 'yes') {
      return TRUE;
    }
    return FALSE;
  }
  else {
    throw new FileTransferException('Cannot check @path.', 0, [
      '@path' => $path,
    ]);
  }
}