View the browsing history of a specific web page

Provides various official and user-released code examples. For code reference, you are welcome to exchange and learn the browsing history function similar to t.58.com to view the records of your group buying products.
1. on the product or news page where you want to record the data browsing, record the information that the cookie needs to save, such as the following line of code, and pass the page ID, product name, price, thumbnail, and URL to cookie_history. cookie_history($id,$info['title'],$info['price'],$info['pic'],$thisurl);2. Add code in function. php /**
+ ----------------------------------------------------------
* Browsing records are sorted by Time
+ ----------------------------------------------------------
*/
Function my_sort ($ a, $ B ){
$ A = substr ($ a, 1 );
$ B = substr ($ B, 1 );
If ($ a = $ B) return 0;
Return ($ a> $ B )? -1: 1;
}
/**
+ ----------------------------------------------------------
* Generate Web browsing records
+ ----------------------------------------------------------
*/
Function cookie_history ($ id, $ title, $ price, $ img, $ url ){
$ Dealinfo ['title'] = $ title;
$ Dealinfo ['price'] = $ price;
$ Dealinfo ['img '] = $ img;
$ Dealinfo ['url'] = $ url;
$ Time = 'T'. NOW_TIME;
$ Cookie_history = array ($ time => json_encode ($ dealinfo); // set cookie
If (! Cookie ('History ') {// The cookie is empty.
Cookie ('History ', $ cookie_history );
} Else {
$ New_history = array_merge (cookie ('History '), $ cookie_history); // Add new browsing data
Uksort ($ new_history, "my_sort"); // sort by browsing time
$ History = array_unique ($ new_history );
If (count ($ history)> 4 ){
$ History = array_slice ($ history, 0, 4 );
}
Cookie ('History ', $ history );
}
}
/**
+ ----------------------------------------------------------
* Reading web browsing records
+ ----------------------------------------------------------
*/
Function cookie_history_read (){
$ Arr = cookie ('History ');
Foreach (array) $ arr as $ k => $ v ){
$ List [$ k] = json_decode ($ v, true );
}
Return $ list;
}3. Output Information on the page for displaying browsing records $this->assign('history',cookie_history_read());In the template, use volist to display it.
If you have a better way to obtain browsing records, post them below for me to learn.

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