File: localdata.php

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  Classes of Pavel Kukov   Local Data   localdata.php   Download  
File: localdata.php
Role: Auxiliary data
Content type: text/plain
Description: localdata.php
Class: Local Data
Store multiple values in single cookies
Author: By
Last change: update
Date: 12 years ago
Size: 5,233 bytes
 

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<?php /* * localdata.php * * @author Pavel Kukov * * date: 2012-07-02 18:41:11 * * * Sample usage for localdata.php * Include - include('localdata.php'); * * Create Object - $localdata = localdata::get(); * * Store - $localdata("name", "value"); or $localdata->name = "value"; value can be integer, string, array * $localdata("name", array(1,2,3,4,5)); * $localdata("name", array("name" => "John Dow", "email" => "john@company.com")); * * Read - $localdata("name"); or $localdata->name * Delete One Item By Key - $localdata->remove("name"); * Delete entire cookie - $localdata->clear(); * Count Stored Items - $localdata->count(); * Get/Set cookie configuration - $localdata->config() and $localdata->config(Array('expires' => 'in days', 'path' => 'your new path', 'domain' => 'domain', 'secure' => true or false}) defaults are 'expires' => 365, 'path' => '/', 'domain' => NULL, 'secure' => NULL * Get/Set cookie prefix - $localdata->prefix() and $localdata->prefix("newprefix") default is "localdatacookie" * */ class localdata { private $cookie_data; private $cookie_prefix; private $cookie_count; private $cookie_found; private $cookie_string; private $cookie_default_options; private static $localdata_obj; public function __construct() { $this->cookie_default_options = Array("path"=>"/", "expires"=>365, 'domain'=>NULL, 'secure'=>NULL); $this->cookie_string = ''; $this->cookie_prefix = "localdata_cookie_"; $this->cookie_count = 0; if(isset($_COOKIE) && !empty($_COOKIE)) { $this->cookie_found = array_key_exists($this->cookie_prefix.$this->cookie_count, $_COOKIE); if($this->cookie_found) { $this->cookie_string = $_COOKIE[$this->cookie_prefix.$this->cookie_count]; } while($this->cookie_found) { $this->cookie_count++; $this->cookie_found = array_key_exists($this->cookie_prefix.$this->cookie_count, $_COOKIE); if($this->cookie_found) { $this->cookie_string .= $_COOKIE[$this->cookie_prefix.$this->cookie_count]; if(strpos($this->cookie_string, '__END__') !== false) { $this->cookie_found = false; } } } } if($this->cookie_string != '') { $this->cookie_string = str_replace('__END__', '', $this->cookie_string); $this->cookie_data = json_decode( base64_decode( $this->cookie_string ), true); } else { $this->cookie_data = array(); } } public static function get() { if (!(self::$localdata_obj instanceof localdata)) { self::$localdata_obj = new self(); } return self::$localdata_obj; } public function __get($option) { if(array_key_exists($option, $this->cookie_data)) { return $this->cookie_data[$option]; } } public function __set($option, $value) { $this->cookie_data[$option] = $value; $this->save(); } public function __invoke() { $numargs = func_num_args(); if($numargs > 0) { $arg_list = func_get_args(); if(array_key_exists(1, $arg_list)) { return $this->$arg_list[0] = $arg_list[1]; } else { return $this->$arg_list[0]; } } } public function __isset($option) { if(array_key_exists($option, $this->cookie_data)) { return true; } else { return false; } } public function count() { return $this->cookie_count; } public function config() { $numargs = func_num_args(); if($numargs > 0) { $arg_list = func_get_args(); $this->cookie_default_options = array_merge($this->cookie_default_options, $arg_list[0]); } return $this->cookie_default_options; } public function prefix() { $numargs = func_num_args(); if($numargs > 0) { $arg_list = func_get_args(); $this->cookie_prefix = $arg_list[0]; } return $this->cookie_prefix; } public function remove($key) { unset($this->cookie_data[$key]); $this->save(); } public function clear() { foreach($this->cookie_data as $key=>$v) { unset($this->cookie_data[$key]); } $this->save(); } public function push($option, $value) { $this->cookie_data[$option] = $value; } public function dump() { var_dump($this->cookie_data); } public function save() { $this->cookie_string = base64_encode(json_encode($this->cookie_data)); $size = mb_strlen($this->cookie_string.'__END__', "UTF-8"); $parts = ceil($size/4096); if($parts > 1) { $cookies = str_split($this->cookie_string.'__END__', 4096); foreach($cookies as $k=>$cookie_content) { setcookie($this->cookie_prefix.$k, $cookie_content, time() + (86400 * $this->cookie_default_options['expires']), $this->cookie_default_options['path'], $this->cookie_default_options['domain'], $this->cookie_default_options['secure']); } } else { setcookie($this->cookie_prefix."0", $this->cookie_string.'__END__', time() + (86400 * $this->cookie_default_options['expires']), $this->cookie_default_options['path'], $this->cookie_default_options['domain'], $this->cookie_default_options['secure']); } } } ?>