9月82014
PHP完美的提取链接正则
function match_links($document) { preg_match_all("'<\s*a\s.*?href\s*=\s*([\"\'])?(?(1)(.*?)\\1|([^\s\>]+))[^>]*>?(.*?)</a>'isx",$document,$links); while(list($key,$val) = each($links[2])) { if(!empty($val)) $match['link'][] = $val; } while(list($key,$val) = each($links[3])) { if(!empty($val)) $match['link'][] = $val; } while(list($key,$val) = each($links[4])) { if(!empty($val)) $match['content'][] = $val; } while(list($key,$val) = each($links[0])) { if(!empty($val)) $match['all'][] = $val; } return $match; }
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