PHP 使用 session_set_save_handler() 對 Session 進行自定義處理

/*

Session open (called by session_start( ))

Session close (called at page end)

Session read (called after session_start( ) )

Session write (called when session data is to be written)

Session destroy (called by session_destroy( ) )

Session garbage collect (called randomly)

*/

function sess_open($sess_path, $sess_name) {

print \"Session opened.\\n\";

print \"Sess_path: $sess_path\\n\";

print \"Sess_name: $sess_name\\n\\n\";

return true;

}

function sess_close( ) {

print \"Session closed.\\n\";

return true;

}

function sess_read($sess_id) {

print \"Session read.\\n\";

print \"Sess_ID: $sess_id\\n\";

return \'\';

}

function sess_write($sess_id, $data) {

print \"Session value written.\\n\";

print \"Sess_ID: $sess_id\\n\";

print \"Data: $data\\n\\n\";

return true;

}

function sess_destroy($sess_id) {

print \"Session destroy called.\\n\";

return true;

}

function sess_gc($sess_maxlifetime) {

print \"Session garbage collection called.\\n\";

print \"Sess_maxlifetime: $sess_maxlifetime\\n\";

return true;

}

session_set_save_handler(\"sess_open\", \"sess_close\", \"sess_read\",

\"sess_write\", \"sess_destroy\", \"sess_gc\");

session_start( );

$_SESSION[\'foo\'] = \"bar\";

print \"Some text\\n\";

$_SESSION[\'baz\'] = \"wombat\";

?>

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