echo '<?'; 返回空
echo '';
输出为空,考虑到可能是被php 解析了
但是我想实现的是textare 中 输入php 语句 直接返回 php 解析后的结果
用 eval 可以实现 但是 不能返回什么错误,
所以想通过写文件,读文件的方式来解决
有什么好的解决方式吗
if(empty($_REQUEST)){
<code>$html = </code>

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