php curl简单采集图片生成base64编码(并附curl函数参数说明)

1. 许多年前的代码突然拿来一用，特做此笔记(此处的code用来定位内部错误位置,非http code)

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1. <?php
2. $url="http://c.hiphotos.baidu.com/image/w%3D210/sign=ed30880babec8a13141a50e1c7029157/d52a2834349b033be1a9503e17ce36d3d539bd35.gif";
3. function curl_url($url,$type=0,$timeout=30){
4. $msg = [‘code‘=>2100,‘status‘=>‘error‘,‘msg‘=>‘未知错误！‘];
5. $imgs= [‘image/jpeg‘=>‘jpeg‘,
6. ‘image/jpg‘=>‘jpg‘,
7. ‘image/gif‘=>‘gif‘,
8. ‘image/png‘=>‘png‘,
9. ‘text/html‘=>‘html‘,
10. ‘text/plain‘=>‘txt‘,
11. ‘image/pjpeg‘=>‘jpg‘,
12. ‘image/x-png‘=>‘png‘,
13. ‘image/x-icon‘=>‘ico‘
14. ];
15. if(!stristr($url,‘http‘)){
16. $msg[‘code‘]= 2101;
17. $msg[‘msg‘] = ‘url地址不正确!‘;
18. return $msg;
19. }
20. $dir= pathinfo($url);
21. //var_dump($dir);
22. $host = $dir[‘dirname‘];
23. $refer= $host.‘/‘;
24. $ch = curl_init($url);
25. curl_setopt ($ch, CURLOPT_REFERER, $refer); //伪造来源地址
26. curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//返回变量内容还是直接输出字符串,0输出,1返回内容
27. curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);//在启用CURLOPT_RETURNTRANSFER的时候，返回原生的（Raw）输出
28. curl_setopt($ch, CURLOPT_HEADER, 0); //是否输出HEADER头信息 0否1是
29. curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout); //超时时间
30. $data = curl_exec($ch);
31. //$httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);
32. //$httpContentType = curl_getinfo($ch,CURLINFO_CONTENT_TYPE);
33. $info = curl_getinfo($ch);
34. curl_close($ch);
35. $httpCode = intval($info[‘http_code‘]);
36. $httpContentType = $info[‘content_type‘];
37. $httpSizeDownload= intval($info[‘size_download‘]);
38. if($httpCode!=‘200‘){
39. $msg[‘code‘]= 2102;
40. $msg[‘msg‘] = ‘url返回内容不正确！‘;
41. return $msg;
42. }
43. if($type>0 && !isset($imgs[$httpContentType])){
44. $msg[‘code‘]= 2103;
45. $msg[‘msg‘] = ‘url资源类型未知！‘;
46. return $msg;
47. }
48. if($httpSizeDownload<1){
49. $msg[‘code‘]= 2104;
50. $msg[‘msg‘] = ‘内容大小不正确！‘;
51. return $msg;
52. }
53. $msg[‘code‘]  = 200;
54. $msg[‘status‘]=‘success‘;
55. $msg[‘msg‘]   = ‘资源获取成功‘;
56. if($type==0 or $httpContentType==‘text/html‘) $msg[‘data‘] = $data;
57. $base_64 = base64_encode($data);
58. if($type==1) $msg[‘data‘] = $base_64;
59. elseif($type==2) $msg[‘data‘] = "data:{$httpContentType};base64,{$base_64}";
60. elseif($type==3) $msg[‘data‘] = "<img src=‘data:{$httpContentType};base64,{$base_64}‘ />";
61. else $msg[‘msg‘] = ‘未知返回需求！‘;
62. unset($info,$data,$base_64);
63. return $msg;
64. }
65. $msg = curl_url($url,3);
66. if($msg[‘status‘]==‘success‘) echo $msg[‘data‘];
67. die;
68. ?>