"{{\\$[:any]}}" =>"<?php echo htmlentities(\\$$1);?>", //{$i} echo htmlentities($i);|输出文本,转义html实体
"{\\$[:any]}" =>"<?php echo \\$$1;?>", //{$i} echo $i;|输出变量
"{@\\$[:any]}" =>"<?php echo @\\$$1;?>", //{@$i} echo @$i;|输出变量,屏蔽notice错误
{$var} <?php echo $var;?>
//输出文本,转义html实体
{{$var}} <?php echo htmlentities($var);?>
//输出变量,屏蔽notice错误
{@$var} <?php echo @$var;?>