message: Remove a circular dependency.
diff: @@ -19,9 +19,8 @@ if (empty($list)) {
  }
  $source_str = $eval_str = '';
  foreach ($list as $file) {
  -
  $php_file = LIB_DIR . '/' . $file;
  - if (!swoole_string(`/usr/bin/env php -n -l $php_file`)->contains('No syntax errors detected')) {
  + if (strpos(`/usr/bin/env php -n -l {$php_file} 2>&1`, 'No syntax errors detected') === false) {
  swoole_error("syntax error in [$php_file]");
  } else {
  swoole_ok("syntax correct in [$php_file]");
  