message: use swoole_detect_type
diff: @@ -21,7 +21,7 @@ $source_str = $eval_str = '';
  foreach ($list as $file) {
  $php_file = LIB_DIR . '/' . $file;
  - if (!_string(`/usr/bin/env php -n -l $php_file`)->contains('No syntax errors detected')) {
  + if (!swoole_detect_type(`/usr/bin/env php -n -l $php_file`)->contains('No syntax errors detected')) {
  swoole_error("syntax error in [$php_file]");
  } else {
  swoole_ok("syntax correct in [$php_file]");
  