public static function LessAutoprefixer::version in Less CSS Preprocessor 7.4

Same name and namespace in other branches

1. 8 classes/class.lessautoprefixer.inc \LessAutoprefixer::version()

Returns the version string from command line Autoprefixer.

Return value

string|null Version string from Autoprefixer, or null if no version found.

File

classes/class.lessautoprefixer.inc, line 47

Contains 'LessAutoprefixer' class; an abstraction layer for command line Autoprefixer.

Class

LessAutoprefixer

'Autoprefixer' class.

Code

public static function version() {
  $version = NULL;
  if (function_exists('proc_open')) {
    try {
      $version_response = self::create(NULL)
        ->proc_open(array(
        '--version',
      ));
      $version = preg_replace('/.*?([\\d\\.]+).*/', '$1', $version_response);
    } catch (Exception $e) {
    }
  }
  return $version;
}