File

modules/system/system.module, line 723

Code

function system_execute_php_form_submit($form, $form_state) {
  $code = trim($form_state ["values"]["system_execute_php"]);
  if ($code == "") {
    return;
  }

  if (user_has_permission("execute_php")) { // double-check one more time on this,  just in case.

    try {
      $res = @eval($code);

      // Check for errors less than PHP 7.
      if ($res === FALSE && ($error = error_get_last())) {
        fp_add_message("Error: " . $error ["message"] . ". See line: " . $error ["line"], "error");
      }

    }
    catch (ParseError $e) {
      // Catches PHP 7+ ParseError exceptions...
      fp_add_message("Exception detected: " . $e->getMessage() . ". See line: " . $e->getLine(), "error");
    }

  }

}