EfunsObjectsobjectpOn this pageobjectp NAME objectp() - determine whether or not a given variable is an object SYNOPSIS int objectp( mixed arg ); DESCRIPTION Return 1 if 'arg' is an object. SEE ALSO mapp(3), stringp(3), pointerp(3), intp(3), bufferp(3), floatp(3), func‐tionp(3), nullp(3), undefinedp(3)