hello world
Notice: ob_get_clean(): Failed to discard buffer of default output handler (0) in /in/a2cdQ on line 4
Notice: ob_get_clean(): Failed to delete buffer of default output handler (0) in /in/a2cdQ on line 4
string(11) "hello world"
hello world
Notice: ob_get_clean(): failed to discard buffer of default output handler (0) in /in/a2cdQ on line 4
Notice: ob_get_clean(): failed to delete buffer of default output handler (0) in /in/a2cdQ on line 4
string(11) "hello world"