zendframework include set index.php
set_include_path('.' . PATH_SEPARATOR . '../library/' . PATH_SEPARATOR . './application/models/'
. PATH_SEPARATOR . './application/lib/'
. PATH_SEPARATOR . get_include_path()) ;
PATH_SEPARATOR is a constant, which is a " : " sign on Linux systems and a ";" sign on Windows. Therefore, it is best to use the constant PATH_SEPARATOR instead when writing a program, otherwise an error will occur if the system is transplanted from linux to win system or vice versa!
get_include_path obtains the current existing environment variables, plus the previous settings, it is the new system include