How to convert PHP binary into pictures: first set the name of the saved picture and the path to save the picture; then create a folder and set the full path of "directory picture"; then judge the binary data flow; finally obtain the picture information and return the picture The width, height, type and other information can be used.
php binary conversion into pictures
php receives binary data stream and converts it into pictures
error_handler () ); //设置保存图片名称,若未设置,则随机产生一个唯一文件名 $this->save_name = $save_name ? $save_name : md5 ( mt_rand (), uniqid () ); //设置保存图片路径,若未设置,则使用年/月/日格式进行目录存储 $this->save_dir = $save_dir ? self::ROOT_PATH .$save_dir : self::ROOT_PATH .date ( 'Y/m/d' ); //创建文件夹 @$this->create_dir ( $this->save_dir ); //设置目录+图片完整路径 $this->save_fullpath = $this->save_dir . '/' . $this->save_name; } //兼容PHP4 public function image($save_name) { $this->__construct ( $save_name ); } public function stream2Image() { //二进制数据流 $data = file_get_contents ( 'php://input' ) ? file_get_contents ( 'php://input' ) : gzuncompress ( $GLOBALS ['HTTP_RAW_POST_DATA'] ); //数据流不为空,则进行保存操作 if (! emptyempty ( $data )) { //创建并写入数据流,然后保存文件 if (@$fp = fopen ( $this->save_fullpath, 'w+' )) { fwrite ( $fp, $data ); fclose ( $fp ); $baseurl = "http://" . $_SERVER ["SERVER_NAME"] . ":" . $_SERVER ["SERVER_PORT"] . dirname ( $_SERVER ["SCRIPT_NAME"] ) . '/' . $this->save_name; if ( $this->getimageInfo ( $baseurl )) { echo $baseurl; } else { echo ( self::NOT_CORRECT_TYPE ); } } else { } } else { //没有接收到数据流 echo ( self::NO_STREAM_DATA ); } } /** * 创建文件夹 * @param String $dirName 文件夹路径名 */ public function create_dir($dirName, $recursive = 1,$mode=0777) { ! is_dir ( $dirName ) && mkdir ( $dirName,$mode,$recursive ); } /** * 获取图片信息,返回图片的宽、高、类型、大小、图片mine类型 * @param String $imageName 图片名称 */ public function getimageInfo($imageName = '') { $imageInfo = getimagesize ( $imageName ); if ($imageInfo !== false) { $imageType = strtolower ( substr ( image_type_to_extension ( $imageInfo [2] ), 1 ) ); $imageSize = filesize ( $imageInfo ); return $info = array ('width' => $imageInfo [0], 'height' => $imageInfo [1], 'type' => $imageType, 'size' => $imageSize, 'mine' => $imageInfo ['mine'] ); } else { //不是合法的图片 return false; } } /*private function error_handler($a, $b) { echo $a, $b; }*/ }
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