1--TEST-- 2Test session_set_cookie_params() function : negative and 0 lifetime 3--EXTENSIONS-- 4session 5--SKIPIF-- 6<?php include('skipif.inc'); ?> 7--FILE-- 8<?php 9 10ob_start(); 11 12var_dump(ini_get("session.cookie_lifetime")); 13var_dump(session_set_cookie_params(["lifetime" => 0])); 14var_dump(ini_get("session.cookie_lifetime")); 15 16var_dump(ini_get("session.cookie_lifetime")); 17var_dump(session_set_cookie_params(["lifetime" => -10])); 18var_dump(ini_get("session.cookie_lifetime")); 19echo "Done"; 20ob_end_flush(); 21?> 22--EXPECTF-- 23string(1) "0" 24bool(true) 25string(1) "0" 26string(1) "0" 27 28Warning: session_set_cookie_params(): CookieLifetime cannot be negative in %s on line %d 29bool(false) 30string(1) "0" 31Done 32