";
}
function cutstr_html($string,$length=0,$ellipsis='…'){
$string=strip_tags($string);
$string=preg_replace('/\n/is','',$string);
$string=preg_replace('/ | /is','',$string);
$string=preg_replace('/ /is','',$string);
preg_match_all("/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|\xe0[\xa0-\xbf][\x80-\xbf]|[\xe1-\xef][\x80-\xbf][\x80-\xbf]|\xf0[\x90-\xbf][\x80-\xbf][\x80-\xbf]|[\xf1-\xf7][\x80-\xbf][\x80-\xbf][\x80-\xbf]/",$string,$string);
if(is_array($string)&&!empty($string[0])){
if(is_numeric($length)&&$length){
$string=join('',array_slice($string[0],0,$length)).$ellipsis;
}else{
$string=implode('',$string[0]);
}
}else{
$string='';
}
return $string;
}
function clearHtml($content){
$content=preg_replace("/]*>/i","",$content);
$content=preg_replace("/<\/a>/i","",$content);
$content=preg_replace("/]*>/i","",$content);
$content=preg_replace("/<\/div>/i","",$content);
$content=preg_replace("//i","",$content);//注释内容
$content=preg_replace("/style=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/class=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/id=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/lang=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/width=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/height=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/border=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/face=.+?['|\"]/i",'',$content);//去除样式
$content=preg_replace("/face=.+?['|\"]/",'',$content);//去除样式 只允许小写 正则匹配没有带 i 参数
return $content;
}
function createlockid($name=NULL){
$lockid=uniqid(microtime(), TRUE).rand(1,10000);
if(!empty($name)){
$lockid=$name.uniqid($name, TRUE).rand(1,10000);
}
return md5($lockid);
}