If you’re using an ESP8266/NodeMCU board then you have sufficient pins for 4 physical buttons, but if you want these to control things (like relays or LEDs) connected to the same board then there aren’t really sufficient pins available to do this properly.
first thanks for your replay
i’am use esp8266 12e . i want to put the physical button in the wifi manager code
can i use the physical button with wifi manager
Are you looking for an on demand portal to put in your credentials (SSID, PASS, AUTH) ? if so click on this link @khoih has a good library for it with many examples.