php通过正则从字符串中获取所有图片url地址
/** * 提取字符串中图片url地址 * @param type $str * @return type */ function getimgs($str) { $reg = '/((http|https):\/\/)+(\w+\.)+(\w+)[\w\/\.\-]*(jpg|gif|png)/'; $matches = array(); preg_match_all($reg, $str, $matches); foreach ($matches[0] as $value) { $data[] = get_file($value); } return $data; }