1--TEST-- 2Test session_id() function : error functionality 3--SKIPIF-- 4<?php include('skipif.inc'); ?> 5--FILE-- 6<?php 7 8ob_start(); 9 10echo "*** Testing session_id() : error functionality ***\n"; 11 12var_dump(session_id("test")); 13var_dump(session_id()); 14var_dump(session_id("1234567890")); 15var_dump(session_id()); 16var_dump(session_start()); 17var_dump(session_id("1234567890")); 18var_dump(session_destroy()); 19var_dump(session_id()); 20 21echo "Done"; 22ob_end_flush(); 23?> 24--EXPECTF-- 25*** Testing session_id() : error functionality *** 26string(0) "" 27string(4) "test" 28string(4) "test" 29string(10) "1234567890" 30bool(true) 31 32Warning: session_id(): Session ID cannot be changed when a session is active in %s on line %d 33bool(false) 34bool(true) 35string(0) "" 36Done 37