```
<?php
$phpsciter = new phpsciter();
$phpsciter->setOption(PHPSciter::SCITER_SET_SCRIPT_RUNTIME_FEATURES,
PHPSciter::ALLOW_FILE_IO | PHPSciter::ALLOW_SOCKET_IO | PHPSciter::ALLOW_EVAL |
PHPSciter::ALLOW_SYSINFO);
```
推測兩個參數 key, value (參考配置項, allow開頭的應該是這個SCITER_SET_SCRIPT_RUNTIME_FEATURES的)值