Php reads rss data sources

Source: Internet
Author: User
Tags xml parser
Sometimes you need to read rss from different websites. Below is a php program to read rss cyclically. it mainly outputs an array string and solves the encoding problem. sometimes you need to read rss from different websites, below is a php program to read rss cyclically, mainly to output an array string and solve the encoding problem.
Php source code and code are described as follows:
// RSS source address list array
$ Rssfeed = array (
"Http://www.phpzixue.cn/rss1.xml ",
"Http://www.phpzixue.cn/rss2.xml ",
Http://tech.163.com/special/00091JPQ/techimportant.xml ");
// Set encoding to UTF-8 header ('content-Type: text/html; charset = UTF-8 ');
For ($ I = 0; $ I $ Buff = "";
$ Rss_str = "";
// Open the rss address and read it. if reading fails, stop
$ Fp = fopen ($ rssfeed [$ I], "r") or die ("can not open $ rssfeed ");
While (! Feof ($ fp )){
$ Buff. = fgets ($ fp, 4096 );
}
// Close the file
Fclose ($ fp );
// Create an XML parser
$ Parser = xml_parser_create ();
// Xml_parser_set_option -- set options for specified XML parsing
Xml_parser_set_option ($ parser, XML_OPTION_SKIP_WHITE, 1 );
// Xml_parse_pai_struct -- parse XML data to the array $ values
Xml_parse_into_struct ($ parser, $ buff, $ values, $ idx );
// Xml_parser_free -- release the specified XML parser
Xml_parser_free ($ parser );
Foreach ($ values as $ val ){
$ Tag = $ val ["tag"];
$ Type = $ val ["type"];
$ Value = $ val ["value"];
// Convert tags to lowercase
$ Tag = strtolower ($ tag );
If ($ tag = "item" & $ type = "open "){
$ Is_item = 1;
} Else if ($ tag = "item" & $ type = "close "){
// Construct the output string
$ Rss_str. = "". $ title ."
";
$ Is_item = 0;
}
// Read only the content in the item label
($ Is_item = 1 ){
If ($ tag = "title") {$ title = $ value ;}
If ($ tag = "link") {$ link = $ value ;}
}
}
// Output result
Echo $ rss_str ."
";
}

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