/**
* @param string $file path to file
* @param $permission
* @param string $method
* @param string $url
* @param bool|string $context
* @return bool
* @throws FilesystemCredentialException with S/FTP form if it can't get the required filesystem credentials
* @throws FileOperationException
*/
function w3_chmod_file($file, $permission, $method = '', $url = '', $context = false)
{
if (!file_exists($file)) {
return false;
}
if (@chmod($file, $permission)) {
return true;
}
w3_wp_request_filesystem_credentials($method, $url, $context);
global $wp_filesystem;
if (!$wp_filesystem->chmod($file, $permission)) {
throw new FileOperationException('Could not chmod file: ' . $file, 'chmod', 'file', $file);
}
return true;
}
/**
* @param $file
* @param string $method
* @param string $url
* @param bool|string $context folder where file to be deleted resides
* @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials
*/
function w3_wp_delete_file($filename)
{
if (!@file_exists($filename)) {
return;
}
if (@unlink($filename)) {
return;
}
try {
w3_wp_request_filesystem_credentials();
} catch (FilesystemOperationException $ex) {
throw new FilesystemRmException($ex->getMessage(), $ex->credentials_form(), $filename);
}
global $wp_filesystem;
if (!$wp_filesystem->delete($filename)) {
throw new FilesystemRmException(__('FTP credentials don\'t allow to delete ', 'w3-total-cache') . '<strong>' . $filename . '</strong>', w3_get_filesystem_credentials_form(), $filename);
}
}
