private function get_html_first_imgurl($a_contents){
$result="";
$pattern= '~<img.*?src=["\']+(.*?)["\']+~';
preg_match_all($pattern,$a_contents,$matchContent);?
//return var_dump('matchContent=',$matchContent);
if(!empty($matchContent)){ $result=$matchContent[1][0];?
$result=str_replace('/'.C('C_DATA_DIR'),'',$result);
}
return $result;
}