Php force update of image cache

This article mainly introduces the php method for Force update of image cache. The example shows that php and javascript methods are used to implement the Force update function for image cache, which is of great practical value, for more information about how to forcibly update the image cache in php, see the following example. Share it with you for your reference. The specific implementation method is as follows:

The code is as follows:

/** Click it to update the sequence storage.
* @ Param Array $ files the parts to be updated
* @ Param int $ version
*/
Function force_reload_file ($ files = array (), $ version = 0 ){
$ Html = '';
If (! Isset ($ _ COOKIE ['Force _ reload_page _ '. $ version]) {// judge whether the token has been updated
Setcookie ('force _ reload_page _ '. $ version, true, time () + 2592000 );
$ Html. ='