php_output_set_implicit_flush 1622 main/main.c    			php_output_set_implicit_flush(1);
php_output_set_implicit_flush 1527 main/output.c  	php_output_set_implicit_flush(flag);
php_output_set_implicit_flush  202 main/php_output.h PHPAPI void php_output_set_implicit_flush(int flush);