strip_tags延伸函数-处理html(采集用的上)
/**
* This function turns HTML into text * 将html转化为txt
*/
function html2txt($document) {
$search = array ('@@si',
// Strip out javascript
'@@siU',
// Strip style tags properly
'@<[\/\!]*?[^<>]*?>@si', // Strip out HTML tags
'@@' )// Strip multi-line comments including CDATA ;
$text = preg_replace ( $search, '', $document );
return $text; }
/**
* removes the HTML tags along with their contents
* 移除/过滤html标签并且移除标签内的内容
* 注:$tags为需要保留的标签 invert为true时结果相反
*/
function strip_tags_content($text, $tags = '', $invert = FALSE) {
preg_match_all ( '/<(.+?)[\s]*\/?[\s]*>/si', trim ( $tags ), $tags );
$tags = array_unique ( $tags [1] );
if (is_array ( $tags ) and count ( $tags ) > 0) {
if ($invert == FALSE) {
return preg_replace ( '@<(?!(?:' . implode ( '|', $tags ) . ')\b)(\w+)\b.*?>.*?\1>@si', '', $text );
} else {
return preg_replace ( '@<(' . implode ( '|', $tags ) . ')\b.*?>.*?\1>@si', '', $text ); }
} elseif ($invert == FALSE) {
return preg_replace ( '@<(\w+)\b.*?>.*?\1>@si', '', $text );
}
return $text;
} 以上就是strip_tags延伸函数-处理html(采集用的上)的内容,更多相关内容请关注PHP中文网(www.php.cn)!











