HTTP download code written in PHP

Download the http Resource class with comprehensive functions and obtain the http header information.

1. <? Php
2. Class DedeHttpDown
3. {
4. Public $ m_url = "";
5. Public $ m_urlpath = "";
6. Public $ m_scheme = "http ";
7. Public $ m_host = "";
8. Public $ m_port = "80 ";
9. Public $ m_user = "";
10. Public $ m_pass = "";
11. Public $ m_path = "/";
12. Public $ m_query = "";
13. Public $ m_fp = "";
14. Public $ m_error = "";
15. Public $ m_httphead = "";
16. Public $ m_html = "";
17.  
18. // Initialize the system
19. Function PrivateInit ($ url)
20. {
21. $ Urls = "";
22. $ Urls = @ parse_url ($ url );
23. $ This-> m_url = $ url;
24. If (is_array ($ urls ))
25. {
26. $ This-> m_host = $ urls ["host"];
27. If (! Empty ($ urls ["scheme"]) $ this-> m_scheme = $ urls ["scheme"];
29. If (! Empty ($ urls ["user"]) {
30. $ This-> m_user = $ urls ["user"];
31. }
33. If (! Empty ($ urls ["pass"]) {
34. $ This-> m_pass = $ urls ["pass"];
35. }
37. If (! Empty ($ urls ["port"]) {
38. $ This-> m_port = $ urls ["port"];
39. }
41. If (! Empty ($ urls ["path"]) $ this-> m_path = $ urls ["path"];
42. $ This-> m_urlpath = $ this-> m_path;
44. If (! Empty ($ urls ["query"])
45. {
46. $ This-> m_query = $ urls ["query"];
47. $ This-> m_urlpath. = "? ". $ This-> m_query;
48. }
49. }
50. }
51. // Open the specified URL
52. Function OpenUrl ($ url)
53. {
54. // Reset Parameters
55. $ This-> m_url = "";
56. $ This-> m_urlpath = "";
57. $ This-> m_scheme = "http ";
58. $ This-> m_host = "";
59. $ This-> m_port = "80 ";
60. $ This-> m_user = "";
61. $ This-> m_pass = "";
62. $ This-> m_path = "/";
63. $ This-> m_query = "";
64. $ This-> m_error = "";
65. $ This-> m_httphead = "";
66. $ This-> m_html = "";
67. $ This-> Close ();
68. // Initialize the system
69. $ This-> PrivateInit ($ url );
70. $ This-> PrivateStartSession ();
71. }
73. // Obtain the cause of an operation Error
74. Function printError ()
75. {
76. Echo "error message:". $ this-> m_error;
77. Echo "specific return headers: <br> ";
78. Foreach ($ this-> m_httphead as $ k => $ v)
79. {
80. & Nb