search

Home  >  Article  >  Backend Development  >  php 判断图片文件的真实类型

php 判断图片文件的真实类型

WBOY
WBOYOriginal
2016-06-20 12:57:041285browse

/** *  * 检测文件的真实类型 *   * @param  string $srcPath 文件路径 *    * @return string $realType 文件真实类型 *     */$imgurl = 'http://pic.babytree.com/foto3/thumbs/2015/0506/51/8/357557aa334dd03923a408f_nb.jpg';echo file_type_detect($imgurl);function file_type_detect($srcPath){    $types = array(        6677    => 'bmp',        7173    => 'gif',        7368    => 'mp3',        13780   => 'png',        255216  => 'jpg',    );      $curl_obj = new cURL(false);    $binary = $curl_obj->get($srcPath);    //$binary = file_get_contents($srcPath);    $bytes = substr($binary, 0, 2);     $head = @unpack('C2char', $bytes);    $typeCode = intval($head['char1'].$head['char2']);    $realType = isset($types[$typeCode]) ? $types[$typeCode] : $typeCode;    return $realType;}

判断文件的真实类型

Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：编译安装php-5.4.29Next article：安装php-5.3.28 时问题

Related articles

See more