APISIX源码解析-执行阶段【http_header_filter_phase、http_body_filter_phase、http_log_phase、http_balancer_phase】
http_header_filter_phasefunction _M.http_header_filter_phase() if ngx_var.ctx_ref ~= '' then -- prevent for the table leak local stash_ctx = fetch_ctx() -- internal redirect, so we should apply the ctx if ngx_var.from.
