When making changes in Prestashop they will often not appear right away due to old cached information. The solution is to clear the cache of the application.
Prestashop version 1.4 and above caches data using Smarty. Cached data is stored in the following folders:
/tools/smarty/cache
/tools/smarty/compile
/tools/smarty_v2/cache
/tools/smarty_v2/compile
all of which are located in your Prestashop's installation folder. For example, if your Prestashop store has been installed in the public_html folder of your hosting account, cached information can be found in:
public_html/tools/smarty/cache
public_html/tools/smarty/compile
public_html/tools/smarty_v2/cache
public_html/tools/smarty_v2/compile
To clear Prestashop's cached data, delete the content of these folders and reload your website in your browser to take a look at the changes you have made.
You can also disable or manage how Prestashop caches information from the application's back office -> Preferences -> Performance.
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