Automatická minifikace PHP scriptu

$file = 'StaticClass.php';

// Dgx's PHP shrinker

// PHP 4 & 5 compatibility
if (!defined('T_DOC_COMMENT'))
  define ('T_DOC_COMMENT', -1);

if (!defined('T_ML_COMMENT'))
  define ('T_ML_COMMENT', -1);

// read input file
$input = file_get_contents($file);

$space = $output = '';
$set = '!"#$&\'()*+,-./:;<=>?@[\]^`{|}';
$set = array_flip(preg_split('//',$set));

foreach (token_get_all($input) as $token)  {
  if (!is_array($token))
    $token = array(0, $token);

  switch ($token[0]) {
    case T_COMMENT:
    case T_ML_COMMENT:
    case T_DOC_COMMENT:
    case T_WHITESPACE:
      $space = ' ';
      break;

    default:
      if (isset($set[substr($output, -1)]) ||
          isset($set[$token[1]{0}])) $space = '';
      $output .= $space . $token[1];
      $space = '';
  }
}

// write shrinked file
file_put_contents('min_'.$file, $output);