


How to store session in php in json format instead of default built-in encoding?
php How to store session in json format instead of default built-in encoding?
After some fiddling, even if session_save_handler is overridden by its own class or method, the incoming and outgoing data of write and read are still serialized, and serialization by session is not ordinary serialization... I still can't solve the problem of memcached saving session data. Format of json
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php How to store session in json format instead of default built-in encoding?
After some fiddling, even if session_save_handler is overridden by its own class or method, the incoming and outgoing data of write and read are still serialized, and serialization by session is not ordinary serialization... I still can't solve the problem of memcached saving session data. Format of json
Found the solution:
<code><?php namespace Lboy\Session\SaveHandler; /** * Memcached JSON-formatted session save handler * * The default memcache session save handler stores sessions encoded with * session_encode, but the encoded session is not simple to parse in other * languages. Therefore, this class encodes the session in JSON to make reading * the session in other languages simple. * * Note: This class uses the newer php-memcached extension, not php-memcache! * @see http://php.net/manual/en/book.memcached.php * * @author Lee Boynton <lee@lboynton.com> */ class Memcached { /** * @var \Memcached */ protected $memcached; /** * Create new memcached session save handler * @param \Memcached $memcached */ public function __construct(\Memcached $memcached) { $this->memcached = $memcached; } /** * Close session * * @return boolean */ public function close() { return true; } /** * Destroy session * * @param string $id * @return boolean */ public function destroy($id) { return $this->memcached->delete("sessions/{$id}"); } /** * Garbage collect. Memcache handles this with expiration times. * * @param int $maxlifetime * @return boolean Always true */ public function gc($maxlifetime) { // let memcached handle this with expiration time return true; } /** * Open session * * @param string $savePath * @param string $name * @return boolean */ public function open($savePath, $name) { // Note: session save path is not used $this->sessionName = $name; $this->lifetime = ini_get('session.gc_maxlifetime'); return true; } /** * Read session data * * @param string $id * @return string */ public function read($id) { $_SESSION = json_decode($this->memcached->get("sessions/{$id}"), true); if (isset($_SESSION) && !empty($_SESSION) && $_SESSION != null) { return session_encode(); } return ''; } /** * Write session data * * @param string $id * @param string $data * @return boolean */ public function write($id, $data) { // note: $data is not used as it has already been serialised by PHP, // so we use $_SESSION which is an unserialised version of $data. return $this->memcached->set("sessions/{$id}", json_encode($_SESSION), $this->lifetime); } }</code>
You can consider writing a library

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