我如何把一個通知提醒，當有人取出動力上我的主題頁腳在我的頁腳

Question

實例鏈接

$powered = 'Powered by <a href="htp://stackoverflow.com">Stackoverflow</a>'; 

主題文件

<?php echo $powered; ?> 

如何使如果從我的頁腳刪除$powered和錯誤/提醒通知它。

例die('Do not remove the powered link')

Answer 1

龍答：

<?php 

$powered = 'Powered by <a href="htp://stackoverflow.com">Stackoverflow</a>'; 

ob_start(); 
echo $powered; 
$html = ob_get_clean(); 

/* 
* If you remove the "echo $powered;" part, please don't remove the following lines 
* so I can detect the license violation. Thank you for your cooperation! 
*/ 
if(strpos($html, $powered)===FALSE){ 
    echo die('Do not remove the powered link'); 
}else{ 
    echo $html; 
} 

?> 

Answer 2

簡短的回答：不可能。

Answer 3

這是可能的...你可以使用Zend Guard來保護你的代碼不被改變。