RSS generation instance implemented by php

RSS generation instance implemented by php

RSS generation instance implemented by php

This article mainly introduces the RSS generation class implemented by php. The example analyzes the principles, definitions, and usage skills of the RSS generation class, which is very useful. For more information, see

This example describes the RSS generation class implemented by php. Share it with you for your reference. The details are as follows:

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125

Class RSS { Var $ title; Var $ link; Var $ description; Var $ language = "en-us "; Var $ pubDate; Var $ items; Var $ tags; Function RSS () { $ This-> items = array (); $ This-> tags = array (); } Function addItem ($ item) { $ This-> items [] = $ item; } Function setPubDate ($ when) { If (strtotime ($ when) = false) $ This-> pubDate = date ("D, d m y h: I: s", $ when). "GMT "; Else $ This-> pubDate = date ("D, d m y h: I: s", strtotime ($ when). "GMT "; } Function getPubDate () { If (empty ($ this-> pubDate )) Return date ("D, d m y h: I: s"). "GMT "; Else Return $ this-> pubDate; } Function addTag ($ tag, $ value) { $ This-> tags [$ tag] = $ value; } Function out () { $ Out = $ this-> header (); $ Out. = "<channel> \ n "; $ Out. = "<title>". $ this-> title. "</title> \ n "; $ Out. = "<link>". $ this-> link. "</link> \ n "; $ Out. = "<description>". $ this-> description. "</description> \ n "; $ Out. = "<language>". $ this-> language. "</language> \ n "; $ Out. = "<pubDate>". $ this-> getPubDate (). "</pubDate> \ n "; Foreach ($ this-> tags as $ key => $ val) $ out. = "<$ key> $ val </$ key> \ n "; Foreach ($ this-> items as $ item) $ out. = $ item-> out (); $ Out. = "</channel> \ n "; $ Out. = $ this-> footer (); $ Out = str_replace ("&", "&", $ out ); Return $ out; } Function serve ($ contentType = "application/xml ") { $ Xml = $ this-> out (); Header ("Content-type: $ contentType "); Echo $ xml; } Function header () { $ Out = '<? Xml version = "1.0" encoding = "UTF-8"?> '. "\ N "; $ Out. = '<rss version = "2.0" xmlns: dc = "http://purl.org/dc/elements/1.1/">'. "\ n "; Return $ out; } Function footer () { Return '</rss> '; } } Class RSSItem { Var $ title; Var $ link; Var $ description; Var $ pubDate; Var $ guid; Var $ tags; Var $ attachment; Var $ length; Var $ mimetype; Function RSSItem () { $ This-> tags = array (); } Function setPubDate ($ when) { If (strtotime ($ when) = false) $ This-> pubDate = date ("D, d m y h: I: s", $ when). "GMT "; Else $ This-> pubDate = date ("D, d m y h: I: s", strtotime ($ when). "GMT "; } Function getPubDate () { If (empty ($ this-> pubDate )) Return date ("D, d m y h: I: s"). "GMT "; Else Return $ this-> pubDate; } Function addTag ($ tag, $ value) { $ This-> tags [$ tag] = $ value; } Function out () { $ Out. = "<item> \ n "; $ Out. = "<title>". $ this-> title. "</title> \ n "; $ Out. = "<link>". $ this-> link. "</link> \ n "; $ Out. = "<description>". $ this-> description. "</description> \ n "; $ Out. = "<pubDate>". $ this-> getPubDate (). "</pubDate> \ n "; If ($ this-> attachment! = "") $ Out. = "<enclosure url = '{$ this-> attachment}' length = '{$ this-> length}' type = '{$ this-> mimetype}'/>"; If (empty ($ this-> guid) $ this-> guid = $ this-> link; $ Out. = "<guid>". $ this-> guid. "</guid> \ n ";   Foreach ($ this-> tags as $ key => $ val) $ out. = "<$ key> $ val </$ key \ n> "; $ Out. = "</item> \ n "; Return $ out; } Function enclosure ($ url, $ mimetype, $ length) { $ This-> attachment = $ url; $ This-> mimetype = $ mimetype; $ This-> length = $ length; } }

Example:

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

$ Feed = new RSS (); $ Feed-> title = "RSS Feed Title "; $ Feed-> link = "http://website.com "; $ Feed-> description = "Recent articles on your website ."; $ Db-> query ($ query ); $ Result = $ db-> result; While ($ row = mysql_fetch_array ($ result, MYSQL_ASSOC )) { $ Item = new RSSItem (); $ Item-> title = $ title; $ Item-> link = $ link; $ Item-> setPubDate ($ create_date ); $ Item-> description = "<! [CDATA [$ html]> "; $ Feed-> addItem ($ item ); } Echo $ feed-> serve ();

I hope this article will help you with php programming.