PHP receives binary data stream and converts it into pictures_PHP tutorial

Php code
1 2 /**
3 * Picture category
4 * @author Haroldphp@163.com
5 * @version 1.0
6 *
7*/
8 class image {
9 const ROOT_PATH = './';
10 const FAIL_WRITE_DATA = 'Fail to write data';
11 //No data flow
12 const NO_STREAM_DATA = 'The post data is empty';
13 //The image type is incorrect
14 const NOT_CORRECT_TYPE = 'Not a correct image type';
15 //Cannot create file
16 const CAN_NOT_CREATE_FILE = 'Can not create file';
17 //Upload picture name
18 public $image_name;
19 //Picture saving name
20 public $save_name;
21 //Picture saving path
22 public $save_dir;
23 //Directory + full path to image
24 public $save_fullpath;
25
26 /**
27 * Constructor
28 * @param String $save_name Save the picture name
29 * @param String $save_dir save path name
30*/
31 public function __construct($save_name, $save_dir) {
32                //set_error_handler ( $this->error_handler () );
33 
34               //Set the name of the saved picture, if not set, a unique file name will be randomly generated
35          $this->save_name = $save_name ? $save_name : md5 ( mt_rand (), uniqid () );
36                 //Set the path to save the picture, if not set, use the year/month/day format for directory storage
37          $this->save_dir = $save_dir ? self::ROOT_PATH .$save_dir : self::ROOT_PATH .date ( 'Y/m/d' );
38 
39                   //Create folder
40           @$this->create_dir ($this->save_dir);
41                //Set directory + full path of picture www.2cto.com
42          $this->save_fullpath = $this->save_dir . '/' . $this->save_name;
43 }
44 //Compatible with PHP4
45 public function image($save_name) {
46          $this->__construct ($save_name);
47 }
48
49 public function stream2Image() {
50            //Binary data stream
51         $data = file_get_contents ( 'php://input' ) ? file_get_contents ( 'php://input' ) : gzuncompress ( $GLOBALS ['HTTP_RAW_POST_DATA'] );
52              //If the data stream is not empty, save the operation
53 if (! empty ( $data )) {
54                  //Create and write the data stream, and then save the file
55               if (@$fp = fopen ( $this->save_fullpath, 'w+' )) {
56                         fwrite ( $fp, $data );
57                        fclose ( $fp );
 58                 $baseurl = "http://" . $_SERVER ["SERVER_NAME"] . ":" . $_SERVER ["SERVER_PORT"] . dirname ( $_SERVER ["SCRIPT_NAME"] ) . '/' . $this->save_name;               
 59                 if ( $this->getimageInfo ( $baseurl )) {
 60                     echo $baseurl;
 61                 } else {
 62                     echo ( self::NOT_CORRECT_TYPE  );
 63                 }
 64             } else {
 65            
 66             }
 67         } else {
 68             //没有接收到数据流
 69             echo ( self::NO_STREAM_DATA );
 70         }
 71     }
 72     /**
73 * Create folder
74 * @param String $dirName Folder path name
75*/
 76     public function create_dir($dirName, $recursive = 1,$mode=0777) {
 77         ! is_dir ( $dirName ) && mkdir ( $dirName,$mode,$recursive );
 78     }
 79     /**
80 * Get image information and return the width, height, type, size, and image mine type of the image
81 * @param String $imageName Image name
82*/
 83     public function getimageInfo($imageName = '') {
 84         $imageInfo = getimagesize ( $imageName );
 85         if ($imageInfo !== false) {
 86             $imageType = strtolower ( substr ( image_type_to_extension ( $imageInfo [2] ), 1 ) );
 87             $imageSize = filesize ( $imageInfo );
 88             return $info = array ('width' => $imageInfo [0], 'height' => $imageInfo [1], 'type' => $imageType, 'size' => $imageSize, 'mine' => $imageInfo ['mine'] );
 89         } else {
 90             //不是合法的图片
 91             return false;
 92         }
 93    
 94     }
 95    
 96     /*private function error_handler($a, $b) {
 97         echo $a, $b;
 98     }*/
 99
100 }

 

摘自  myphoebe

http://www.bkjia.com/PHPjc/478298.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/478298.htmlTechArticlePhp代码 1 ?php 2 /**3 * Picture category 4 * @author Haroldphp@163.com 5 * @version 1.0 6 * 7*/ 8 class image { 9 const ROOT_PATH = ./; 10 const FAIL_WRITE_DATA = Fail to write data;...