session_cache_expire

session_cache_expire

(PHP 4 >= 4.2.0, PHP 5)

session_cache_expireReturn current cache expire

说明

int session_cache_expire ([ string $new_cache_expire ] )

session_cache_expire() returns the current setting of session.cache_expire.

The cache expire is reset to the default value of 180 stored in session.cache_expire at request startup time. Thus, you need to call session_cache_expire() for every request (and before session_start() is called).

参数

new_cache_expire

If new_cache_expire is given, the current cache expire is replaced with new_cache_expire.

Note: Setting new_cache_expire is of value only, if session.cache_limiter is set to a value different from nocache.

返回值

Returns the current setting of session.cache_expire. The value returned should be read in minutes, defaults to 180.

范例

Example #1 session_cache_expire() example

<?php



session_cache_limiter('private');
$cache_limiter session_cache_limiter();


session_cache_expire(30);
$cache_expire session_cache_expire();



session_start();

echo 
"The cache limiter is now set to $cache_limiter<br />";
echo 
"The cached session pages expire after $cache_expire minutes";
?>

参见


  • session_cache_expire
  • session_cache_limiter
  • session_commit
  • session_decode
  • session_destroy
  • session_encode
  • session_get_cookie_params
  • session_id
  • session_is_registered
  • session_module_name
  • session_name
  • session_regenerate_id
  • session_register
  • session_save_path
  • session_set_cookie_params
  • session_set_save_handler
  • session_start
  • session_status
  • session_unregister
  • session_unset
  • session_write_close
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