php安全过滤函数代码_PHP教程

//安全过滤输入[jb] 
function check_str($string, $isurl = false) 
{ 
$string = preg_replace('/[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F]/','',$string); 
$string = str_replace(array("\0","%00","\r"),'',$string); 
empty($isurl) && $string = preg_replace("/&(?!(#[0-9]+|[a-z]+);)/si",'&',$string); 
$string = str_replace(array("%3C",'<'),'<',$string); 
$string = str_replace(array("%3E",'>'),'>',$string); 
$string = str_replace(array('"',"'","\t",' '),array('"',''',' ',' '),$string); 
return trim($string); 
} 


http://www.bkjia.com/PHPjc/323392.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/323392.htmlTechArticle 代码如下:
//安全过滤输入[jb] function check_str($string, $isurl = false) { $string = preg_replace('/[\\x00-\\x08\\x0B\\x0C\\x0E-\\x1F]/','',$string); $string...