Php-based RSS generation instance-PHP Tutorial-php Tutorial

Php-implemented RSS generation class instance. 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, very php-implemented RSS generation class instance

　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:

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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. =" \ N "; $ Out. ="". $ This-> title ."\ N "; $ Out. =" ". $ This-> link ."\ N "; $ Out. =" ". $ This-> description ." \ N "; $ Out. =" ". $ This-> language ." \ N "; $ Out. =" ". $ This-> getPubDate ()." \ N "; Foreach ($ this-> tags as $ key => $ val) $ out. = "<$ key> $ val \ N "; Foreach ($ this-> items as $ item) $ out. = $ item-> out (); $ Out. ="\ 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 =' '. "\ N "; $ Out. =' '. "\ N "; Return $ out; } Function footer () { Return''; } } 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. =" \ N "; $ Out. ="". $ This-> title ."\ N "; $ Out. =" ". $ This-> link ."\ N "; $ Out. =" ". $ This-> description ." \ N "; $ Out. =" ". $ This-> getPubDate ()." \ N "; If ($ this-> attachment! = "") $ Out. =" "; If (empty ($ this-> guid) $ this-> guid = $ this-> link; $ Out. =" ". $ This-> guid ." \ N "; Foreach ($ this-> tags as $ key => $ val) $ out. = "<$ key> $ val "; $ Out. ="\ N "; Return $ out; } Function enclosure ($ url, $ mimetype, $ length) { $ This-> attachment = $ url; $ This-> mimetype = $ mimetype; $ This-> length = $ length; } }

Example:

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$ 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 =" $html "; $ Feed-> addItem ($ item ); } Echo $ feed-> serve ();

I hope this article will help you with php programming.

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...