Zend Framework入门教程之Zend_Session会话操作详解

<?php
require_once "Zend/Session/Namespace.php";
$myNamespace = new Zend_Session_Namespace('Myspace');
if(isset($myNamespace->numberOfPageRequests))
{
  $myNamespace->numberOfPageRequests++;
}else{
  $myNamespace->numberOfPageRequests = 1;
}
echo "用户的浏览次数为：";
echo "<font size=\"6\" color=\"#ff0000\">";
echo $myNamespace->numberOfPageRequests;
echo "</font>次";

<?php
require_once "Zend/Session/Namespace.php";
$myNamespace = new Zend_Session_Namespace('Myspace');
$myNamespace->webhost = "127.0.0.1";
$myNamespace->hostname = "localhost";
$myNamespace->user = "root";
$myNamespace->password = "123456";
$myNamespace->db_name = "test";
$myNamespace->db_type = "Sqlite";
foreach($myNamespace as $index=>$value){
  echo "命名空间myNamespace中的：".$index;
  echo "为".$value."<p>\n";
}

<?php
require_once "Zend/Session/Namespace.php";
$login = new Zend_Session_Namespace('other');
$login->user = "Administrator";
if(isset($login->user)){
  echo "\$login->user已经有值，其值为：";
  echo $login->user;
  unset($login->user);
}else{
  echo "\$login->user无值";
}
echo "<p>";
if(isset($login->pass)){
  echo "\$login->pass已经有值，其值为：";
  echo $login->pass;
  unset($login->pass);
}else{
  echo "\$login->pass无值";
}
foreach($login as $index=>$value){
  echo "命名空间login中的：".$index."为".$value."<p>\n";
}

<?php
require_once "Zend/Session/Namespace.php";
$test = new Zend_Session_Namespace('test');
$test->name = "玉皇大帝";
$test->sex = "男";
$test->lock();
if($test->isLocked()){
  echo "会话\$test已经锁定！<p>";
  echo "命名空间\$test中的成员name的值为：";
  echo $test->name;
}else{
  echo "会话\$test已经解锁！";
}
echo "<p>";
$test->unLock();
if($test->isLocked()){
  echo "会话\$test已经锁定！<p>";
  echo "命名空间\$test中的成员name的值为：";
  echo $test->name;
}else{
  echo "会话\$test已经解锁！";
}

public function lock()
{
    self::$_namespaceLocks[$this->_namespace] = true;
}
/**
* unlock() - unmark a session/namespace to enable read & write
*
* @return void
*/
public function unlock()
{
    unset(self::$_namespaceLocks[$this->_namespace]);
}
/**
* unlockAll() - unmark all session/namespaces to enable read & write
*
* @return void
*/
public static function unlockAll()
{
    self::$_namespaceLocks = array();
}
/**
* isLocked() - return lock status, true if, and only if, read-only
*
* @return bool
*/
public function isLocked()
{
    return isset(self::$_namespaceLocks[$this->_namespace]);
}

<?php
require_once "Zend/Session/Namespace.php";
$s = new Zend_Session_Namespace('temp');
$s->a = "苹果";
$s->p = "梨";
$s->o = "桔子";
$s->setExpirationSeconds(60);
$s->setExpirationHops(2,'a');
$s->setExpirationHops(3,'p');
echo "已经为命名空间\$s设置生命期<p>";

<?php
require_once "Zend/Session/Namespace.php";
$b = new Zend_Session_Namespace('temp');
echo "\$b->a内容为：".$b->a;
echo "<p>";
echo "\$b->p内容为：".$b->p;

public function setExpirationSeconds($seconds, $variables = null)
{
    if (parent::$_writable === false) {
      /**
       * @see Zend_Session_Exception
       */
      require_once 'Zend/Session/Exception.php';
      throw new Zend_Session_Exception(parent::_THROW_NOT_WRITABLE_MSG);
    }
    if ($seconds <= 0) {
      /**
       * @see Zend_Session_Exception
       */
      require_once 'Zend/Session/Exception.php';
      throw new Zend_Session_Exception('Seconds must be positive.');
    }
    if ($variables === null) {
      // apply expiration to entire namespace
      $_SESSION['__ZF'][$this->_namespace]['ENT'] = time() + $seconds;
    } else {
      if (is_string($variables)) {
        $variables = array($variables);
      }
      foreach ($variables as $variable) {
        if (!empty($variable)) {
          $_SESSION['__ZF'][$this->_namespace]['ENVT'][$variable] = time() + $seconds;
        }
      }
    }
}

public function setExpirationHops($hops, $variables = null, $hopCountOnUsageOnly = false)
{
    if (parent::$_writable === false) {
      /**
       * @see Zend_Session_Exception
       */
      require_once 'Zend/Session/Exception.php';
      throw new Zend_Session_Exception(parent::_THROW_NOT_WRITABLE_MSG);
    }
    if ($hops <= 0) {
      /**
       * @see Zend_Session_Exception
       */
      require_once 'Zend/Session/Exception.php';
      throw new Zend_Session_Exception('Hops must be positive number.');
    }
    if ($variables === null) {
      // apply expiration to entire namespace
      if ($hopCountOnUsageOnly === false) {
        $_SESSION['__ZF'][$this->_namespace]['ENGH'] = $hops;
      } else {
        $_SESSION['__ZF'][$this->_namespace]['ENNH'] = $hops;
      }
    } else {
      if (is_string($variables)) {
        $variables = array($variables);
      }
      foreach ($variables as $variable) {
        if (!empty($variable)) {
          if ($hopCountOnUsageOnly === false) {
            $_SESSION['__ZF'][$this->_namespace]['ENVGH'][$variable] = $hops;
          } else {
            $_SESSION['__ZF'][$this->_namespace]['ENVNH'][$variable] = $hops;
          }
        }
      }
    }
}