update_step       107 ext/session/php_session.h 	long      update_step;
update_step      2630 ext/session/session.c 		progress->next_update = Z_LVAL_P(progress->post_bytes_processed) + progress->update_step;
update_step      2722 ext/session/session.c 					progress->update_step = PS(rfc1867_freq);
update_step      2724 ext/session/session.c 					progress->update_step = progress->content_length * -PS(rfc1867_freq) / 100;