simplestanswerofyourquestionwhenPHPbecomesslow?onlywhenyouuseitinefficiently,AlthoughsomelanguagesareslowerintheirimplementationsbutPHPisnotoneofthem.ThemainreasonsofPHPslownessisthereasonthatmostPHPprogrammers(alsomostofotherlanguagesprogrammersaswell)careverylessaboutoptimizations.TheyincludehugeCSSandJQuerylibrariesthattheyneverusedintheircode.PHPisveryfriendlywithHTML...

补充:由于SAE对文件权限的限制,cache目录无法修改权限,因此原版Codeigniter无法直接使用。可以尝试http://http://www.zjjv.com///p/ci-sae/。在database.php中配置如下:$db['default']['hostname']=SAE_MYSQL_HOST_M;$db['default']['username']=SAE_MYSQL_USER;$db['default']['password']=SAE_MYSQL_PASS;$db['default']['database']=SAE_MYSQL_DB;$db['default']['dbdr...