session.save_path的目录对apache或者nginx运行用户无读写权限导致session获取失败
session
| Session Support | enabled |
| Registered save handlers | files user |
| Registered serializer handlers | php_serialize php php_binary |
| Directive | Local Value | Master Value |
|---|---|---|
| session.auto_start | Off | Off |
| session.cache_expire | 180 | 180 |
| session.cache_limiter | nocache | nocache |
| session.cookie_domain | no value | no value |
| session.cookie_httponly | Off | Off |
| session.cookie_lifetime | 0 | 0 |
| session.cookie_path | / | / |
| session.cookie_secure | Off | Off |
| session.entropy_file | /dev/urandom | /dev/urandom |
| session.entropy_length | 32 | 32 |
| session.gc_divisor | 1000 | 1000 |
| session.gc_maxlifetime | 1440 | 1440 |
| session.gc_probability | 1 | 1 |
| session.hash_bits_per_character | 5 | 5 |
| session.hash_function | 0 | 0 |
| session.name | PHPSESSID | PHPSESSID |
| session.referer_check | no value | no value |
| session.save_handler | files | files |
| session.save_path | no value | no value |
| session.serialize_handler | php | php |
| session.upload_progress.cleanup | On | On |
| session.upload_progress.enabled | On | On |
| session.upload_progress.freq | 1% | 1% |
| session.upload_progress.min_freq | 1 | 1 |
| session.upload_progress.name | PHP_SESSION_UPLOAD_PROGRESS | PHP_SESSION_UPLOAD_PROGRESS |
| session.upload_progress.prefix | upload_progress_ | upload_progress_ |
| session.use_cookies | On | On |
| session.use_only_cookies | On | On |
| session.use_strict_mode | Off | Off |
| session.use_trans_sid | 0 | 0 |