基于PHP的CFPollingphp投票系统源码.zip

<?php // // CF Polls v0.94 // ------------------------------- // // Author: codefuture.co.uk // Version: 0.94 // Date: 2-Jan-11 // // // 30-Dec-10 // 0.92 - Added a new Option (On by default) the script can use cookies as well as the IP address logging // to help prevent multiple votes by people with dynamic IP's address. // You can turn cookies off by using 'setCookieOff()' before 'one_vote()'.... // // 28-Dec-10 // 0.92 - Added a new Option to set the end date for the poll // endPollOn(day,month,year) // // 06-Jun-10 // 0.91 - fix script was not letting you add new answer to a poll what is running.. // // download the latest version from - http://codefuture.co.uk/projects/cf_polling/ // Copyright (c) 2010 codefuture.co.uk // //////////////////////////////////////////////////////////////////////////////////// define('CFPOLLS_VOTE', 'Vote'); define('CFPOLLS_VOTE_OPEN_TO', 'Poll open to'); define('CFPOLLS_VOTE_END_ON', 'Poll closed on'); define('CFPOLLS_VIEW_RESULTS', 'View Results'); define('CFPOLLS_RESULTS', 'Results'); define('CFPOLLS_VOTE_IN_POLL', 'Vote in this poll'); define('CFPOLLS_TOTAL', 'Total: %s votes.'); //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// // Please make sure that the folder "polls" in folder cfPolling is writable (chmod 777). define('CFPOLLS_SAVE_DATA', 'polls'); //////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////// //global sitting $cfp_js = false; class cf_poll{ private $votes; private $filr_dir; private $question_file; private $ip_file; private $one_vote_ip = false; private $one_vote_cookie = false; private $cookie; private $cookie_url = null; private $cookieOff = 0;//false; private $voted = false; private $voteSaved = false; private $pollEnded = false; private $question; private $poll_id; private $poll_start_date; private $poll_end_date; private $total; private $answer_list; private $results; private $css_id_name = 'cf_poll'; private $indexdb = array(); //Poll Index db private $pollIndexFile; //Poll Index Address public function cf_poll($question,$answers = null){ // set file address $dir = dirname(__FILE__).'/'.CFPOLLS_SAVE_DATA.'/'; $this->question_file = $dir.md5($question).'.cfp'; $this->ip_file = $dir.md5($question).'ip.cfp'; $this->pollIndexFile = $dir.'poll_index.cfp'; $this->question = $question; //$this->polls_index(); $this->loadIndex(); if(!file_exists($this->question_file)){ $i = 1; foreach ($answers as $v){ $new_answers[] = array( 'id' => $i, 'answer'=> $v, 'votes' => 0 ); $i++; } $this->save_db($this->question_file,$new_answers); $this->votes = $new_answers; }else{//0.91 $this->votes = $this->load_db($this->question_file); if(!is_null($answers) && count($this->votes) < count($answers)){ foreach ($answers as $v){ if(!$this->in_array_recursive($v,$this->votes)){ $this->votes[] = array( 'id' => $i, 'answer'=> $v, 'votes' => 0 ); $added_new = 1; } } if($added_new){ $this->save_db($this->question_file,$this->votes); } } } } public function one_vote(){ $this->one_vote_ip = true; $this->one_vote_cookie = true; if(!$this->cookieOff && isset($_COOKIE['Poll_'.ereg_replace("[^0-9]", "", md5($this->question))])){ $this->voted = true; return; } $ips = $this->load_db($this->ip_file); // load ip array if(in_array($_SERVER['REMOTE_ADDR'],$ips)){ // submit vote $this->set_cookie(); $this->voted = true; } } public function poll_for($day){ $time_dif = time() - $this->poll_start_date; $time_dif = round( abs($time_dif / 86400)); if (empty($this->poll_end_date)) $this->poll_end_date = $this->poll_start_date + ($day * 86400); if($time_dif >= $day){ $this->voted = true; $this->pollEnded = true; } } public function endPollOn( $d,$m,$y ){ $gd_a = getdate($this->poll_start_date); $a_new = mktime( 12, 0, 0, $gd_a['mon'], $gd_a['mday'], $gd_a['year'] ); $b_new = mktime( 12, 0, 0, $m, $d, $y ); $this->poll_end_date = $b_new; if ($b_new < $a_new) $this->poll_for(0); else $this->poll_for(round( abs( $a_new - $b_new ) / 86400 )); } public function new_vote($vote = null){ if(is_null($vote)) return; if(!isset($vote['vote_'.$this->poll_id]))return; $vote_id = $vote['vote_'.$this->poll_id]; $ips = $this->load_db($this->ip_file); // load ip array if(isset($vote_id) && (!in_array($_SERVER['REMOTE_ADDR'],$ips) || !$this->one_vote_ip)){ // submit vote foreach($this->votes as $k => $v){ if ($v['id']==$vote_id) $this->votes[$k]['votes']++; // add vote } $this -> save_db( $this -> question_file, $this->votes); // save vote if($this->one_vote_ip){ $ips[] = $_SERVER['REMOTE_ADDR']; // add new ip $this->save_db( $this -> ip_file, $ips); // save ip $this->voted = true; } if($this->one_vote_cookie && !isset($_COOKIE['Poll_'.md5($this->question)])){ $this->set_cookie(); $this->voted = true; } $this->voteSaved = true; } } public function setCookieURL($var){$this->cookie_url = $var;} public function setCookieOff(){$this->cookieOff = true;} private function set_cookie(){ if(!$this->cookieOff ){ if(is_null($this->cookie_url)){ $domain = $_SERVER['HTTP_HOST']; if ( !strtolower( substr($domain, 0, 4) ) == 'www.' ) $domain = substr($domain, 4); // Fix the domain to accept domains with and without 'www.'. if ( substr($domain, 0, 1) != '.' ) $domain = '.'.$domain; // Add the dot prefix to ensure compatibility with subdomains $self = $_SERVER['PHP_SELF']; $script_url = 'http://www'.$domain.mb_substr($self,0,-mb_strlen(strrchr($self,"/"))); $this->cookie = '<img src="'.$script_url.'/cfPolling/cf.poll.class.php?id='.ereg_replace("[^0-9]", "", md5($this->question)).'" height="1" width="1" />'; }else{ $this->cookie = '<img src="'.$this->cookie_url.'?id='.ereg_replace("[^0-9]", "", md5($this->question)).'" height="1" width="1" />'; } } } public function make_poll_list(){ //total votes foreach($this->votes as $k => $v){ $this->total += $v['votes']; } //lists foreach($this->votes as $k => $v){ //list possible answers if (!$this->voted) $this->answer_list .= '<label><input type="radio" name="vote_'.$this->poll_id.'" value="'.$v['id'].'" id="answer-'.$v['id'].'"/>'.$v['answer'].'</label>'; //list Results $this->results .= '<label>'.$v['answer'].' ('.$v['votes'].')</label> <div class="barempty"><div class="barfull" style="width:'.$this->percent($v['votes'],$this->total).'%"><div class="percent">'.$this->percent($v['votes'],$this->total).'%</div></div></div>'; } } private function loadIndex(){ //if no index file then make it if(!file_exists($this->pollIndexFile)){ //make index db $this->indexdb[] = array( 'id' => 1, 'file' => md5($this->question), 'date' => time(), 'css' => null, 'vote' => 0, 'cookie'=> 0, ); $this->poll_id = 1; // set poll id $this->poll_start_date = time(); // set poll start date // save index $this->save_db($this->pollIndexFile,$this->indexdb); }else{ //read index file // load index to db $this->indexdb = $this->load_db($this->pollIndexFile); // see if poll is in db $temp_id = 1; //for poll if not found in the db foreach($this->indexdb as $k => $v){ if($v['id'] >= $temp_id) $temp_id = $v['id'] + 1; if($v['file'] == md5($this->question)){ $this->poll_id = $v['id']; $this->poll_start_date = $v['date']; $this->cs