Clear Cache After Theme or Plugin Update

clear-cache-after-update.php

add_action( 'upgrader_process_complete', function() {

    //rocket cache
    if ( function_exists( 'rocket_clean_domain' ) ) {
        rocket_clean_domain();
    }

    // wp-super-cache
    if ( function_exists( 'wp_cache_clear_cache' ) ) {
        wp_cache_clear_cache();
    }

    // WPEngine
    if ( class_exists( 'WpeCommon' ) ) {
        WpeCommon::purge_memcached();
        WpeCommon::clear_maxcdn_cache();
        WpeCommon::purge_varnish_cache();
    }

    // w3 total crash
    if ( function_exists( 'w3tc_pgcache_flush' ) ) {
        w3tc_pgcache_flush();
    }

    // siteground
    if ( function_exists( 'sg_cachepress_purge_cache' ) ) {
        sg_cachepress_purge_cache();
    }
} );