--TEST-- output buffering - ob_list_handlers --FILE-- <?php print_r(ob_list_handlers()); ob_start(); print_r(ob_list_handlers()); ob_start(); print_r(ob_list_handlers()); ob_end_flush(); print_r(ob_list_handlers()); ob_end_flush(); print_r(ob_list_handlers()); ?> --EXPECT-- Array ( ) Array ( [0] => default output handler ) Array ( [0] => default output handler [1] => default output handler ) Array ( [0] => default output handler ) Array ( )