Title: Exception function Last modified: November 28, 2023 --- # Exception function * Resolved [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/) * Hello, I cache my WooCommerce product page, I call a function on the product page, I want to set this function as an exception so that it is not cached, but the rest of the product page is. How should I do this? * My functions: * az_product_price_woo( get_the_ID() ); az_add_product_woo( get_the_ID() ); Viewing 15 replies - 1 through 15 (of 17 total) 1 [2](https://wordpress.org/support/topic/exception-function/page/2/?output_format=md) [→](https://wordpress.org/support/topic/exception-function/page/2/?output_format=md) * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17240503) * please check our [ESI example](https://docs.litespeedtech.com/lscache/lscwp/api/#generate-esi-block-url) * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17240978) * I read about esi, and it’s exactly what I want, but my hosting manager won’t enable it. Therefore, I am looking for another solutionI display these two functions differently for each country based on IPWhat way do you suggest? * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17241048) * [I found this in the docs](https://docs.litespeedtech.com/lsws/cp/cpanel/geoip/), I use WooCommerce and maxmind, I have enabled maxmind through WooCommerce settings. And I have set the **Default customer address** to **Geolocate** and the IP identification works successfully.Now I want to know, to use the following code, the hosting manager should activate something?: * ` RewriteEngine on RewriteRule .* - [E=Cache-Control:vary =%{ENV:GEOIP_COUNTRY_CODE}] ` * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17241340) * I tested this and it didn’t work, the hosting manager also said that it can’t enable this, is there another solution? * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17243977) * yes, the geoip must be enabled at server-level , ref: [https://docs.litespeedtech.com/lsws/cp/cpanel/geoip/](https://docs.litespeedtech.com/lsws/cp/cpanel/geoip/) * otherwise you need to have a CDN service like QUIC cloud or CloudFlare that gives the http request header with country info. * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17244227) * Can this be done with a free cdn? * Can you tell me how to do this with cdn? * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17244246) * if you are using QC CDN , then add this at top of your .htaccess * ```wp-block-code RewriteRule .* - [E=Cache-Control:vary=%{HTTP:x-qc-country}] ``` * if you are using CF CDN, then add this at top of your .htaccess * ```wp-block-code RewriteRule .* - [E=Cache-Control:vary=%{HTTP:CF-IPCountry}] ``` * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17244339) * Thanks and do they both offer this feature for free? * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246675) * both have free plan. * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246940) * Hello again, I have good news, I found a hosting that they enable esi I wanted to see how to determine these two functions so that they are not cached? I’m not good at coding and the example I saw for esi was to add a word to the beginning of the shortcode but it’s not a shortcode! its function.Can you please add esi to these functions? with 0 ttl * `az_product_price_woo( get_the_ID() ); az_add_product_woo( get_the_ID() ); * And if I need to add another code other than this code, somewhere else, please tell me * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246944) * please check this [ESI example](https://docs.litespeedtech.com/lscache/lscwp/api/#generate-esi-block-url) * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246956) * Thanks, can you confirm this? * add this in my product page: * ```wp-block-code ``` * then add this in my functions.php: * ```wp-block-code add_action( 'litespeed_esi_load-my_esi_block', 'my_esi_block_esi_load' ); function my_esi_block_esi_load() { do_action( 'litespeed_control_set_nocache' ); az_product_price_woo( get_the_ID() ); az_add_product_woo( get_the_ID() ); } ``` * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246959) * what does these 2 functions output and where does it output to ? * you need to replace and warp it to ESI block. * Thread Starter [mohammadnrhi](https://wordpress.org/support/users/mohammadnrhi/) * (@mohammadnrhi) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246991) * So you want to tell me that a function cannot be ESI. It is true? Should the initial code be ESI? * The first function displays the price And the second function conditionally displays the add to cart or download buttonOn the product page * And I have restricted the display of these functions based on IP * Plugin Support [qtwrk](https://wordpress.org/support/users/qtwrk/) * (@qtwrk) * [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/#post-17246992) * you need to run that apply_fitler(esi….) in the place where you currently display your functions output , and then link it to the ESI function wrapped * in the documented example , let’s say I have somewhere in my page to display a random number , without cache , you just put ` * ```wp-block-code echo "my random number:".rand (1,99999); ``` * but with ESI , you need to replace it to * ```wp-block-code echo apply_filters( 'litespeed_esi_url', 'my_esi_block', 'Custom ESI block' ); ``` * and then create the ESI function to contains your code , in this example , to be * ```wp-block-code add_action( 'litespeed_esi_load-my_esi_block', 'my_esi_block_esi_load' ); function my_esi_block_esi_load() { do_action( 'litespeed_control_set_nocache' ); echo "my random number:".rand (1,99999); } ``` Viewing 15 replies - 1 through 15 (of 17 total) 1 [2](https://wordpress.org/support/topic/exception-function/page/2/?output_format=md) [→](https://wordpress.org/support/topic/exception-function/page/2/?output_format=md) The topic ‘Exception function’ is closed to new replies. * ![](https://ps.w.org/litespeed-cache/assets/icon-256x256.png?rev=2554181) * [LiteSpeed Cache](https://wordpress.org/plugins/litespeed-cache/) * [Frequently Asked Questions](https://wordpress.org/plugins/litespeed-cache/#faq) * [Support Threads](https://wordpress.org/support/plugin/litespeed-cache/) * [Active Topics](https://wordpress.org/support/plugin/litespeed-cache/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/litespeed-cache/unresolved/) * [Reviews](https://wordpress.org/support/plugin/litespeed-cache/reviews/) * 17 replies * 2 participants * Last reply from: [qtwrk](https://wordpress.org/support/users/qtwrk/) * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/exception-function/page/2/#post-17248079) * Status: resolved