$siteConfig = array('siteName' => '小策一喋 - 专注WEB开发及系统运维技术','keyword' => '前端设计,后端开发,系统运维');
$content = '<?php return ' . var_export($siteConfig, true) . ';';
file_put_contents( APP_PATH . "Common/Conf/config_site.php", $content);

file_put_contents("/tmp/jack.txt", var_export($layReturnArr,TRUE),FILE_APPEND);  

echo "curl -d\"".http_build_query($data)."\" ".$url;  

$result= var_export ( $_POST,True);  
file_put_contents("/tmp/jack.txt",$result,FILE_APPEND);  

$uploadSliceLogName = "/data/htdocs/xiyou_devel/data/logs/".date("Ymd")."/uploadedSliceReceiveInfo.txt";                                               
file_put_contents($uploadSliceLogName, var_export($_REQUEST,TRUE),FILE_APPEND);  

$file_string = var_export ( $_POST,True);  
file_put_contents("/tmp/var_export.txt",$file_string,FILE_APPEND);  

@file_put_contents("log.txt",var_export($_GET,$_POST,$_FILES,file_get_contents("php://input"),true),FILE_APPEND); 

function cache_write($file, $string, $type = 'array')  
{  
     if(is_array($string))  
     {  
         $type = strtolower($type);  
         if($type == 'array')  
         {  
             $string = "<?php\n return ".var_export($string,TRUE).";\n?>";  
         }  
         elseif($type == 'constant')  
         {  
             $data='';  
             foreach($string as $key => $value) $data .= "define('".strtoupper($key)."','".  
addslashes($value)."');\n";  
             $string = "<?php\n".$data."\n?>";  
         }  
     }  
     $strlen = file_put_contents(PHPCMS_CACHEDIR.$file, $string,FILE_APPEND);  //最好加上FILE_APPEND，否则tail -f出现
tail: /tmp/friendviews.txt: file truncated   参看：http://www.xiangdong.org/blog/post/1614/
       chmod(PHPCMS_CACHEDIR.$file, 0777);  
       return $strlen;  
}