wp-polls.php 80.5 KB
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<?php
/*
Plugin Name: WP-Polls
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Plugin URI: https://lesterchan.net/portfolio/programming/php/
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Description: Adds an AJAX poll system to your WordPress blog. You can easily include a poll into your WordPress's blog post/page. WP-Polls is extremely customizable via templates and css styles and there are tons of options for you to choose to ensure that WP-Polls runs the way you wanted. It now supports multiple selection of answers.
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Version: 2.75.3
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Author: Lester 'GaMerZ' Chan
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Author URI: https://lesterchan.net
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Text Domain: wp-polls
*/


/*
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	Copyright 2019  Lester Chan  (email : lesterchan@gmail.com)
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	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.
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	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.
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	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/

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### Version
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define( 'WP_POLLS_VERSION', '2.75.3' );
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### Create Text Domain For Translations
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add_action( 'plugins_loaded', 'polls_textdomain' );
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function polls_textdomain() {
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	load_plugin_textdomain( 'wp-polls' );
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}


### Polls Table Name
global $wpdb;
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$wpdb->pollsq   = $wpdb->prefix.'pollsq';
$wpdb->pollsa   = $wpdb->prefix.'pollsa';
$wpdb->pollsip  = $wpdb->prefix.'pollsip';
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### Function: Poll Administration Menu
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add_action( 'admin_menu', 'poll_menu' );
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function poll_menu() {
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	add_menu_page( __( 'Polls', 'wp-polls' ), __( 'Polls', 'wp-polls' ), 'manage_polls', 'wp-polls/polls-manager.php', '', 'dashicons-chart-bar' );
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	add_submenu_page( 'wp-polls/polls-manager.php', __( 'Manage Polls', 'wp-polls'), __( 'Manage Polls', 'wp-polls' ), 'manage_polls', 'wp-polls/polls-manager.php' );
	add_submenu_page( 'wp-polls/polls-manager.php', __( 'Add Poll', 'wp-polls'), __( 'Add Poll', 'wp-polls' ), 'manage_polls', 'wp-polls/polls-add.php' );
	add_submenu_page( 'wp-polls/polls-manager.php', __( 'Poll Options', 'wp-polls'), __( 'Poll Options', 'wp-polls' ), 'manage_polls', 'wp-polls/polls-options.php' );
	add_submenu_page( 'wp-polls/polls-manager.php', __( 'Poll Templates', 'wp-polls'), __( 'Poll Templates', 'wp-polls' ), 'manage_polls', 'wp-polls/polls-templates.php' );
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}


### Function: Get Poll
function get_poll($temp_poll_id = 0, $display = true) {
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	global $wpdb, $polls_loaded;
	// Poll Result Link
	if(isset($_GET['pollresult'])) {
		$pollresult_id = (int) $_GET['pollresult'];
	} else {
		$pollresult_id = 0;
	}
	$temp_poll_id = (int) $temp_poll_id;
	// Check Whether Poll Is Disabled
	if((int) get_option('poll_currentpoll') === -1) {
		if($display) {
			echo removeslashes(get_option('poll_template_disable'));
			return '';
		}

		return removeslashes(get_option('poll_template_disable'));
	// Poll Is Enabled
	} else {
		do_action('wp_polls_get_poll');
		// Hardcoded Poll ID Is Not Specified
		switch($temp_poll_id) {
			// Random Poll
			case -2:
				$poll_id = $wpdb->get_var("SELECT pollq_id FROM $wpdb->pollsq WHERE pollq_active = 1 ORDER BY RAND() LIMIT 1");
				break;
			// Latest Poll
			case 0:
				// Random Poll
				if((int) get_option('poll_currentpoll') === -2) {
					$random_poll_id = $wpdb->get_var("SELECT pollq_id FROM $wpdb->pollsq WHERE pollq_active = 1 ORDER BY RAND() LIMIT 1");
					$poll_id = (int) $random_poll_id;
					if($pollresult_id > 0) {
						$poll_id = $pollresult_id;
					} elseif((int) $_POST['poll_id'] > 0) {
						$poll_id = (int) $_POST['poll_id'];
					}
				// Current Poll ID Is Not Specified
				} elseif((int) get_option('poll_currentpoll') === 0) {
					// Get Lastest Poll ID
					$poll_id = (int) get_option('poll_latestpoll');
				} else {
					// Get Current Poll ID
					$poll_id = (int) get_option('poll_currentpoll');
				}
				break;
			// Take Poll ID From Arguments
			default:
				$poll_id = $temp_poll_id;
		}
	}

	// Assign All Loaded Poll To $polls_loaded
	if(empty($polls_loaded)) {
		$polls_loaded = array();
	}
	if(!in_array($poll_id, $polls_loaded, true)) {
		$polls_loaded[] = $poll_id;
	}

	// User Click on View Results Link
	if($pollresult_id === $poll_id) {
		if($display) {
			echo display_pollresult($poll_id);
		} else {
			return display_pollresult($poll_id);
		}
	// Check Whether User Has Voted
	} else {
		$poll_active = $wpdb->get_var( $wpdb->prepare( "SELECT pollq_active FROM $wpdb->pollsq WHERE pollq_id = %d", $poll_id ) );
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		$poll_active = (int) $poll_active;
		$check_voted = check_voted( $poll_id );
		$poll_close = 0;
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		if( $poll_active === 0 ) {
			$poll_close = (int) get_option( 'poll_close' );
		}
		if( $poll_close === 2 ) {
			if( $display ) {
				echo '';
			} else {
				return '';
			}
		}
		if( $poll_close === 1 || (int) $check_voted > 0 || ( is_array( $check_voted ) && count( $check_voted ) > 0 ) ) {
			if($display) {
				echo display_pollresult($poll_id, $check_voted);
			} else {
				return display_pollresult($poll_id, $check_voted);
			}
		} elseif( $poll_close === 3 || ! check_allowtovote() ) {
			$disable_poll_js = '<script type="text/javascript">jQuery("#polls_form_'.$poll_id.' :input").each(function (i){jQuery(this).attr("disabled","disabled")});</script>';
			if($display) {
				echo display_pollvote($poll_id).$disable_poll_js;
			} else {
				return display_pollvote($poll_id).$disable_poll_js;
			}
		} elseif( $poll_active === 1 ) {
			if($display) {
				echo display_pollvote($poll_id);
			} else {
				return display_pollvote($poll_id);
			}
		}
	}
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}


### Function: Enqueue Polls JavaScripts/CSS
add_action('wp_enqueue_scripts', 'poll_scripts');
function poll_scripts() {
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	if(@file_exists(get_stylesheet_directory().'/polls-css.css')) {
		wp_enqueue_style('wp-polls', get_stylesheet_directory_uri().'/polls-css.css', false, WP_POLLS_VERSION, 'all');
	} else {
		wp_enqueue_style('wp-polls', plugins_url('wp-polls/polls-css.css'), false, WP_POLLS_VERSION, 'all');
	}
	if( is_rtl() ) {
		if(@file_exists(get_stylesheet_directory().'/polls-css-rtl.css')) {
			wp_enqueue_style('wp-polls-rtl', get_stylesheet_directory_uri().'/polls-css-rtl.css', false, WP_POLLS_VERSION, 'all');
		} else {
			wp_enqueue_style('wp-polls-rtl', plugins_url('wp-polls/polls-css-rtl.css'), false, WP_POLLS_VERSION, 'all');
		}
	}
	$pollbar = get_option( 'poll_bar' );
	if( $pollbar['style'] === 'use_css' ) {
		$pollbar_css = '.wp-polls .pollbar {'."\n";
		$pollbar_css .= "\t".'margin: 1px;'."\n";
		$pollbar_css .= "\t".'font-size: '.($pollbar['height']-2).'px;'."\n";
		$pollbar_css .= "\t".'line-height: '.$pollbar['height'].'px;'."\n";
		$pollbar_css .= "\t".'height: '.$pollbar['height'].'px;'."\n";
		$pollbar_css .= "\t".'background: #'.$pollbar['background'].';'."\n";
		$pollbar_css .= "\t".'border: 1px solid #'.$pollbar['border'].';'."\n";
		$pollbar_css .= '}'."\n";
	} else {
		$pollbar_css = '.wp-polls .pollbar {'."\n";
		$pollbar_css .= "\t".'margin: 1px;'."\n";
		$pollbar_css .= "\t".'font-size: '.($pollbar['height']-2).'px;'."\n";
		$pollbar_css .= "\t".'line-height: '.$pollbar['height'].'px;'."\n";
		$pollbar_css .= "\t".'height: '.$pollbar['height'].'px;'."\n";
		$pollbar_css .= "\t".'background-image: url(\''.plugins_url('wp-polls/images/'.$pollbar['style'].'/pollbg.gif').'\');'."\n";
		$pollbar_css .= "\t".'border: 1px solid #'.$pollbar['border'].';'."\n";
		$pollbar_css .= '}'."\n";
	}
	wp_add_inline_style( 'wp-polls', $pollbar_css );
	$poll_ajax_style = get_option('poll_ajax_style');
	wp_enqueue_script('wp-polls', plugins_url('wp-polls/polls-js.js'), array('jquery'), WP_POLLS_VERSION, true);
	wp_localize_script('wp-polls', 'pollsL10n', array(
		'ajax_url' => admin_url('admin-ajax.php'),
		'text_wait' => __('Your last request is still being processed. Please wait a while ...', 'wp-polls'),
		'text_valid' => __('Please choose a valid poll answer.', 'wp-polls'),
		'text_multiple' => __('Maximum number of choices allowed: ', 'wp-polls'),
		'show_loading' => (int) $poll_ajax_style['loading'],
		'show_fading' => (int) $poll_ajax_style['fading']
	));
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}


### Function: Enqueue Polls Stylesheets/JavaScripts In WP-Admin
add_action('admin_enqueue_scripts', 'poll_scripts_admin');
function poll_scripts_admin($hook_suffix) {
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	$poll_admin_pages = array('wp-polls/polls-manager.php', 'wp-polls/polls-add.php', 'wp-polls/polls-options.php', 'wp-polls/polls-templates.php', 'wp-polls/polls-uninstall.php');
	if(in_array($hook_suffix, $poll_admin_pages, true)) {
		wp_enqueue_style('wp-polls-admin', plugins_url('wp-polls/polls-admin-css.css'), false, WP_POLLS_VERSION, 'all');
		wp_enqueue_script('wp-polls-admin', plugins_url('wp-polls/polls-admin-js.js'), array('jquery'), WP_POLLS_VERSION, true);
		wp_localize_script('wp-polls-admin', 'pollsAdminL10n', array(
			'admin_ajax_url' => admin_url('admin-ajax.php'),
			'text_direction' => is_rtl() ? 'right' : 'left',
			'text_delete_poll' => __('Delete Poll', 'wp-polls'),
			'text_no_poll_logs' => __('No poll logs available.', 'wp-polls'),
			'text_delete_all_logs' => __('Delete All Logs', 'wp-polls'),
			'text_checkbox_delete_all_logs' => __('Please check the \\\'Yes\\\' checkbox if you want to delete all logs.', 'wp-polls'),
			'text_delete_poll_logs' => __('Delete Logs For This Poll Only', 'wp-polls'),
			'text_checkbox_delete_poll_logs' => __('Please check the \\\'Yes\\\' checkbox if you want to delete all logs for this poll ONLY.', 'wp-polls'),
			'text_delete_poll_ans' => __('Delete Poll Answer', 'wp-polls'),
			'text_open_poll' => __('Open Poll', 'wp-polls'),
			'text_close_poll' => __('Close Poll', 'wp-polls'),
			'text_answer' => __('Answer', 'wp-polls'),
			'text_remove_poll_answer' => __('Remove', 'wp-polls')
		));
	}
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}


### Function: Displays Polls Footer In WP-Admin
add_action('admin_footer-post-new.php', 'poll_footer_admin');
add_action('admin_footer-post.php', 'poll_footer_admin');
add_action('admin_footer-page-new.php', 'poll_footer_admin');
add_action('admin_footer-page.php', 'poll_footer_admin');
function poll_footer_admin() {
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?>
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	<script type="text/javascript">
		QTags.addButton('ed_wp_polls', '<?php echo esc_js(__('Poll', 'wp-polls')); ?>', function() {
			var poll_id = jQuery.trim(prompt('<?php echo esc_js(__('Enter Poll ID', 'wp-polls')); ?>'));
			while(isNaN(poll_id)) {
				poll_id = jQuery.trim(prompt("<?php echo esc_js(__('Error: Poll ID must be numeric', 'wp-polls')); ?>\n\n<?php echo esc_js(__('Please enter Poll ID again', 'wp-polls')); ?>"));
			}
			if (poll_id >= -1 && poll_id != null && poll_id != "") {
				QTags.insertContent('[poll id="' + poll_id + '"]');
			}
		});
	</script>
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<?php
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}

### Function: Add Quick Tag For Poll In TinyMCE >= WordPress 2.5
add_action('init', 'poll_tinymce_addbuttons');
function poll_tinymce_addbuttons() {
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	if(!current_user_can('edit_posts') && ! current_user_can('edit_pages')) {
		return;
	}
	if(get_user_option('rich_editing') === 'true') {
		add_filter('mce_external_plugins', 'poll_tinymce_addplugin');
		add_filter('mce_buttons', 'poll_tinymce_registerbutton');
		add_filter('wp_mce_translation', 'poll_tinymce_translation');
	}
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}
function poll_tinymce_registerbutton($buttons) {
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	array_push($buttons, 'separator', 'polls');
	return $buttons;
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}
function poll_tinymce_addplugin($plugin_array) {
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	if(WP_DEBUG) {
		$plugin_array['polls'] = plugins_url( 'wp-polls/tinymce/plugins/polls/plugin.js?v=' . WP_POLLS_VERSION );
	} else {
		$plugin_array['polls'] = plugins_url( 'wp-polls/tinymce/plugins/polls/plugin.min.js?v=' . WP_POLLS_VERSION );
	}
	return $plugin_array;
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}
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function poll_tinymce_translation($mce_translation) {
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	$mce_translation['Enter Poll ID'] = esc_js(__('Enter Poll ID', 'wp-polls'));
	$mce_translation['Error: Poll ID must be numeric'] = esc_js(__('Error: Poll ID must be numeric', 'wp-polls'));
	$mce_translation['Please enter Poll ID again'] = esc_js(__('Please enter Poll ID again', 'wp-polls'));
	$mce_translation['Insert Poll'] = esc_js(__('Insert Poll', 'wp-polls'));
	return $mce_translation;
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}
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### Function: Check Who Is Allow To Vote
function check_allowtovote() {
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	global $user_ID;
	$user_ID = (int) $user_ID;
	$allow_to_vote = (int) get_option( 'poll_allowtovote' );
	switch($allow_to_vote) {
		// Guests Only
		case 0:
			if($user_ID > 0) {
				return false;
			}
			return true;
			break;
		// Registered Users Only
		case 1:
			if($user_ID === 0) {
				return false;
			}
			return true;
			break;
		// Registered Users And Guests
		case 2:
		default:
			return true;
	}
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}


### Funcrion: Check Voted By Cookie Or IP
function check_voted($poll_id) {
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	$poll_logging_method = (int) get_option( 'poll_logging_method' );
	switch($poll_logging_method) {
		// Do Not Log
		case 0:
			return 0;
			break;
		// Logged By Cookie
		case 1:
			return check_voted_cookie($poll_id);
			break;
		// Logged By IP
		case 2:
			return check_voted_ip($poll_id);
			break;
		// Logged By Cookie And IP
		case 3:
			$check_voted_cookie = check_voted_cookie($poll_id);
			if(!empty($check_voted_cookie)) {
				return $check_voted_cookie;
			}
			return check_voted_ip($poll_id);
			break;
		// Logged By Username
		case 4:
			return check_voted_username($poll_id);
			break;
	}
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}


### Function: Check Voted By Cookie
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function check_voted_cookie( $poll_id ) {
	$get_voted_aids = 0;
	if ( ! empty( $_COOKIE[ 'voted_' . $poll_id ] ) ) {
		$get_voted_aids = explode( ',', $_COOKIE[ 'voted_' . $poll_id ] );
		$get_voted_aids = array_map( 'intval', array_map( 'sanitize_key', $get_voted_aids ) );
	}
	return $get_voted_aids;
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}


### Function: Check Voted By IP
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function check_voted_ip( $poll_id ) {
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	global $wpdb;
	$log_expiry = (int) get_option( 'poll_cookielog_expiry' );
	$log_expiry_sql = '';
	if( $log_expiry > 0 ) {
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		$log_expiry_sql = ' AND (' . current_time('timestamp') . '-(pollip_timestamp+0)) < ' . $log_expiry;
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	}
	// Check IP From IP Logging Database
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	$get_voted_aids = $wpdb->get_col( $wpdb->prepare( "SELECT pollip_aid FROM $wpdb->pollsip WHERE pollip_qid = %d AND (pollip_ip = %s OR pollip_ip = %s)", $poll_id, poll_get_ipaddress(), get_ipaddress() ) . $log_expiry_sql );
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	if( $get_voted_aids ) {
		return $get_voted_aids;
	}

	return 0;
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}


### Function: Check Voted By Username
function check_voted_username($poll_id) {
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	global $wpdb, $user_ID;
	// Check IP If User Is Guest
	if ( ! is_user_logged_in() ) {
		return 1;
	}
	$pollsip_userid = (int) $user_ID;
	$log_expiry = (int) get_option( 'poll_cookielog_expiry' );
	$log_expiry_sql = '';
	if( $log_expiry > 0 ) {
		$log_expiry_sql = 'AND (' . current_time('timestamp') . '-(pollip_timestamp+0)) < ' . $log_expiry;
	}
	// Check User ID From IP Logging Database
	$get_voted_aids = $wpdb->get_col( $wpdb->prepare( "SELECT pollip_aid FROM $wpdb->pollsip WHERE pollip_qid = %d AND pollip_userid = %d", $poll_id, $pollsip_userid ) . $log_expiry_sql );
	if($get_voted_aids) {
		return $get_voted_aids;
	} else {
		return 0;
	}
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}

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add_filter( 'wp_polls_template_voteheader_markup', 'poll_template_vote_markup', 10, 3 );
add_filter( 'wp_polls_template_votebody_markup', 'poll_template_vote_markup', 10, 3 );
add_filter( 'wp_polls_template_votefooter_markup', 'poll_template_vote_markup', 10, 3) ;
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function poll_template_vote_markup( $template, $object, $variables ) {
	return str_replace( array_keys( $variables ), array_values( $variables ), $template ) ;
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}
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### Function: Display Voting Form
function display_pollvote($poll_id, $display_loading = true) {
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	do_action('wp_polls_display_pollvote');
	global $wpdb;
	// Temp Poll Result
	$temp_pollvote = '';
	// Get Poll Question Data
	$poll_question = $wpdb->get_row( $wpdb->prepare( "SELECT pollq_id, pollq_question, pollq_totalvotes, pollq_timestamp, pollq_expiry, pollq_multiple, pollq_totalvoters FROM $wpdb->pollsq WHERE pollq_id = %d LIMIT 1", $poll_id ) );

	// Poll Question Variables
	$poll_question_text = wp_kses_post( removeslashes( $poll_question->pollq_question ) );
	$poll_question_id = (int) $poll_question->pollq_id;
	$poll_question_totalvotes = (int) $poll_question->pollq_totalvotes;
	$poll_question_totalvoters = (int) $poll_question->pollq_totalvoters;
	$poll_start_date = mysql2date(sprintf(__('%s @ %s', 'wp-polls'), get_option('date_format'), get_option('time_format')), gmdate('Y-m-d H:i:s', $poll_question->pollq_timestamp));
	$poll_expiry = trim($poll_question->pollq_expiry);
	if(empty($poll_expiry)) {
		$poll_end_date  = __('No Expiry', 'wp-polls');
	} else {
		$poll_end_date  = mysql2date(sprintf(__('%s @ %s', 'wp-polls'), get_option('date_format'), get_option('time_format')), gmdate('Y-m-d H:i:s', $poll_expiry));
	}
	$poll_multiple_ans = (int) $poll_question->pollq_multiple;

	$template_question = removeslashes(get_option('poll_template_voteheader'));

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	$template_question = apply_filters( 'wp_polls_template_voteheader_markup', $template_question, $poll_question, array(
		'%POLL_QUESTION%' => $poll_question_text,
		'%POLL_ID%' => $poll_question_id,
		'%POLL_TOTALVOTES%' => $poll_question_totalvotes,
		'%POLL_TOTALVOTERS%' => $poll_question_totalvoters,
		'%POLL_START_DATE%' => $poll_start_date,
		'%POLL_END_DATE%' => $poll_end_date,
		'%POLL_MULTIPLE_ANS_MAX%' => $poll_multiple_ans > 0 ? $poll_multiple_ans : 1
	) );
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	// Get Poll Answers Data
	list($order_by, $sort_order) = _polls_get_ans_sort();
	$poll_answers = $wpdb->get_results( $wpdb->prepare( "SELECT polla_aid, polla_qid, polla_answers, polla_votes FROM $wpdb->pollsa WHERE polla_qid = %d ORDER BY $order_by $sort_order", $poll_question_id ) );
	// If There Is Poll Question With Answers
	if($poll_question && $poll_answers) {
		// Display Poll Voting Form
		$temp_pollvote .= "<div id=\"polls-$poll_question_id\" class=\"wp-polls\">\n";
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		$temp_pollvote .= "\t<form id=\"polls_form_$poll_question_id\" class=\"wp-polls-form\" action=\"" . sanitize_text_field( $_SERVER['SCRIPT_NAME'] ) ."\" method=\"post\">\n";
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		$temp_pollvote .= "\t\t<p style=\"display: none;\"><input type=\"hidden\" id=\"poll_{$poll_question_id}_nonce\" name=\"wp-polls-nonce\" value=\"".wp_create_nonce('poll_'.$poll_question_id.'-nonce')."\" /></p>\n";
		$temp_pollvote .= "\t\t<p style=\"display: none;\"><input type=\"hidden\" name=\"poll_id\" value=\"$poll_question_id\" /></p>\n";
		if($poll_multiple_ans > 0) {
			$temp_pollvote .= "\t\t<p style=\"display: none;\"><input type=\"hidden\" id=\"poll_multiple_ans_$poll_question_id\" name=\"poll_multiple_ans_$poll_question_id\" value=\"$poll_multiple_ans\" /></p>\n";
		}
		// Print Out Voting Form Header Template
		$temp_pollvote .= "\t\t$template_question\n";
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		foreach ( $poll_answers as $poll_answer ) {
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			// Poll Answer Variables
			$poll_answer_id = (int) $poll_answer->polla_aid;
			$poll_answer_text = wp_kses_post( removeslashes( $poll_answer->polla_answers ) );
			$poll_answer_votes = (int) $poll_answer->polla_votes;
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			$poll_answer_percentage = $poll_question_totalvotes > 0 ? round( ( $poll_answer_votes / $poll_question_totalvotes ) * 100 ) : 0;
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			$poll_multiple_answer_percentage = $poll_question_totalvoters > 0 ? round( ( $poll_answer_votes / $poll_question_totalvoters ) * 100 ) : 0;
			$template_answer = removeslashes( get_option( 'poll_template_votebody' ) );
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			$template_answer = apply_filters( 'wp_polls_template_votebody_markup', $template_answer, $poll_answer, array(
				'%POLL_ID%' => $poll_question_id,
				'%POLL_ANSWER_ID%' => $poll_answer_id,
				'%POLL_ANSWER%' => $poll_answer_text,
				'%POLL_ANSWER_VOTES%' => number_format_i18n( $poll_answer_votes ),
				'%POLL_ANSWER_PERCENTAGE%' => $poll_answer_percentage,
				'%POLL_MULTIPLE_ANSWER_PERCENTAGE%' => $poll_multiple_answer_percentage,
				'%POLL_CHECKBOX_RADIO%' => $poll_multiple_ans > 0 ? 'checkbox' : 'radio'
			) );
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			// Print Out Voting Form Body Template
			$temp_pollvote .= "\t\t$template_answer\n";
		}
		// Determine Poll Result URL
		$poll_result_url = esc_url_raw( $_SERVER['REQUEST_URI'] );
		$poll_result_url = preg_replace('/pollresult=(\d+)/i', 'pollresult='.$poll_question_id, $poll_result_url);
		if(isset($_GET['pollresult']) && (int) $_GET['pollresult'] === 0) {
			if(strpos($poll_result_url, '?') !== false) {
				$poll_result_url = "$poll_result_url&amp;pollresult=$poll_question_id";
			} else {
				$poll_result_url = "$poll_result_url?pollresult=$poll_question_id";
			}
		}
		// Voting Form Footer Variables
		$template_footer = removeslashes(get_option('poll_template_votefooter'));

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		$template_footer = apply_filters( 'wp_polls_template_votefooter_markup', $template_footer, $poll_question, array(
			'%POLL_ID%' => $poll_question_id,
			'%POLL_RESULT_URL%' => $poll_result_url,
			'%POLL_START_DATE%' => $poll_start_date,
			'%POLL_END_DATE%' => $poll_end_date,
			'%POLL_MULTIPLE_ANS_MAX%' => $poll_multiple_ans > 0 ? $poll_multiple_ans : 1
		) );
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		// Print Out Voting Form Footer Template
		$temp_pollvote .= "\t\t$template_footer\n";
		$temp_pollvote .= "\t</form>\n";
		$temp_pollvote .= "</div>\n";
		if($display_loading) {
			$poll_ajax_style = get_option('poll_ajax_style');
			if((int) $poll_ajax_style['loading'] === 1) {
				$temp_pollvote .= "<div id=\"polls-$poll_question_id-loading\" class=\"wp-polls-loading\"><img src=\"".plugins_url('wp-polls/images/loading.gif')."\" width=\"16\" height=\"16\" alt=\"".__('Loading', 'wp-polls')." ...\" title=\"".__('Loading', 'wp-polls')." ...\" class=\"wp-polls-image\" />&nbsp;".__('Loading', 'wp-polls')." ...</div>\n";
			}
		}
	} else {
		$temp_pollvote .= removeslashes(get_option('poll_template_disable'));
	}
	// Return Poll Vote Template
	return $temp_pollvote;
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}


### Function: Display Results Form
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function display_pollresult( $poll_id, $user_voted = array(), $display_loading = true ) {
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	global $wpdb;
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	do_action( 'wp_polls_display_pollresult', $poll_id, $user_voted );
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	$poll_id = (int) $poll_id;
	// User Voted
	if( empty( $user_voted ) ) {
		$user_voted = array();
	}
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	if ( is_array( $user_voted ) ) {
		$user_voted = array_map( 'intval', $user_voted );
	} else {
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		$user_voted = array( (int) $user_voted );
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	}
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	// Temp Poll Result
	$temp_pollresult = '';
	// Most/Least Variables
	$poll_most_answer = '';
	$poll_most_votes = 0;
	$poll_most_percentage = 0;
	$poll_least_answer = '';
	$poll_least_votes = 0;
	$poll_least_percentage = 0;
	// Get Poll Question Data
	$poll_question = $wpdb->get_row( $wpdb->prepare( "SELECT pollq_id, pollq_question, pollq_totalvotes, pollq_active, pollq_timestamp, pollq_expiry, pollq_multiple, pollq_totalvoters FROM $wpdb->pollsq WHERE pollq_id = %d LIMIT 1", $poll_id ) );
	// No poll could be loaded from the database
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	if ( ! $poll_question ) {
		return removeslashes( get_option( 'poll_template_disable' ) );
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	}
	// Poll Question Variables
	$poll_question_text = wp_kses_post( removeslashes( $poll_question->pollq_question ) );
	$poll_question_id = (int) $poll_question->pollq_id;
	$poll_question_totalvotes = (int) $poll_question->pollq_totalvotes;
	$poll_question_totalvoters = (int) $poll_question->pollq_totalvoters;
	$poll_question_active = (int) $poll_question->pollq_active;
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	$poll_start_date = mysql2date( sprintf( __( '%s @ %s', 'wp-polls' ), get_option( 'date_format' ), get_option( 'time_format' ) ), gmdate( 'Y-m-d H:i:s', $poll_question->pollq_timestamp ) );
	$poll_expiry = trim( $poll_question->pollq_expiry );
	if ( empty( $poll_expiry ) ) {
		$poll_end_date  = __( 'No Expiry', 'wp-polls' );
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	} else {
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		$poll_end_date  = mysql2date( sprintf( __( '%s @ %s', 'wp-polls' ), get_option( 'date_format' ), get_option( 'time_format' ) ), gmdate( 'Y-m-d H:i:s', $poll_expiry ) );
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	}
	$poll_multiple_ans = (int) $poll_question->pollq_multiple;
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	$template_question = removeslashes( get_option( 'poll_template_resultheader' ) );
	$template_question = str_replace( array(
		'%POLL_QUESTION%',
		'%POLL_ID%',
		'%POLL_TOTALVOTES%',
		'%POLL_TOTALVOTERS%',
		'%POLL_START_DATE%',
		'%POLL_END_DATE%'
	), array(
		$poll_question_text,
		$poll_question_id,
		$poll_question_totalvotes,
		$poll_question_totalvoters,
		$poll_start_date,
		$poll_end_date
	), $template_question );
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	if($poll_multiple_ans > 0) {
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		$template_question = str_replace( '%POLL_MULTIPLE_ANS_MAX%', $poll_multiple_ans, $template_question );
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	} else {
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		$template_question = str_replace( '%POLL_MULTIPLE_ANS_MAX%', '1', $template_question );
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	}
	// Get Poll Answers Data
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	list( $order_by, $sort_order ) = _polls_get_ans_result_sort();
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	$poll_answers = $wpdb->get_results( $wpdb->prepare( "SELECT polla_aid, polla_answers, polla_votes FROM $wpdb->pollsa WHERE polla_qid = %d ORDER BY $order_by $sort_order", $poll_question_id ) );
	// If There Is Poll Question With Answers
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	if ( $poll_question && $poll_answers ) {
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		// Store The Percentage Of The Poll
		$poll_answer_percentage_array = array();
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		// Is The Poll Total Votes or Voters 0?
		$poll_totalvotes_zero = $poll_question_totalvotes <= 0;
		$poll_totalvoters_zero = $poll_question_totalvoters <= 0;
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		// Print Out Result Header Template
		$temp_pollresult .= "<div id=\"polls-$poll_question_id\" class=\"wp-polls\">\n";
		$temp_pollresult .= "\t\t$template_question\n";
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		foreach ( $poll_answers as $poll_answer ) {
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			// Poll Answer Variables
			$poll_answer_id = (int) $poll_answer->polla_aid;
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			$poll_answer_text = wp_kses_post( removeslashes( $poll_answer->polla_answers ) );
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			$poll_answer_votes = (int) $poll_answer->polla_votes;
			// Calculate Percentage And Image Bar Width
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			$poll_answer_percentage = 0;
			$poll_multiple_answer_percentage = 0;
			$poll_answer_imagewidth = 1;
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			if ( ! $poll_totalvotes_zero && ! $poll_totalvoters_zero && $poll_answer_votes > 0 ) {
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				$poll_answer_percentage = round( ( $poll_answer_votes / $poll_question_totalvotes ) * 100 );
				$poll_multiple_answer_percentage = round( ( $poll_answer_votes / $poll_question_totalvoters ) * 100 );
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				$poll_answer_imagewidth = round( $poll_answer_percentage );
				if ( $poll_answer_imagewidth === 100 ) {
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					$poll_answer_imagewidth = 99;
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				}
			}
			// Make Sure That Total Percentage Is 100% By Adding A Buffer To The Last Poll Answer
			$round_percentage = apply_filters( 'wp_polls_round_percentage', false );
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			if ( $round_percentage && $poll_multiple_ans === 0 ) {
				$poll_answer_percentage_array[] = $poll_answer_percentage;
				if ( count( $poll_answer_percentage_array ) === count( $poll_answers ) ) {
					$percentage_error_buffer = 100 - array_sum( $poll_answer_percentage_array );
					$poll_answer_percentage += $percentage_error_buffer;
					if ( $poll_answer_percentage < 0 ) {
						$poll_answer_percentage = 0;
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					}
				}
			}

			// Let User See What Options They Voted
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			if ( in_array( $poll_answer_id, $user_voted, true ) ) {
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				// Results Body Variables
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				$template_answer = removeslashes( get_option( 'poll_template_resultbody2' ) );
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			} else {
				// Results Body Variables
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				$template_answer = removeslashes (get_option( 'poll_template_resultbody' ) );
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			}
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			$template_answer = str_replace( array(
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				'%POLL_ID%',
				'%POLL_ANSWER_ID%',
				'%POLL_ANSWER%',
				'%POLL_ANSWER_TEXT%',
				'%POLL_ANSWER_VOTES%',
				'%POLL_ANSWER_PERCENTAGE%',
				'%POLL_MULTIPLE_ANSWER_PERCENTAGE%',
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				'%POLL_ANSWER_IMAGEWIDTH%'
			), array(
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				$poll_question_id,
				$poll_answer_id,
				$poll_answer_text,
				htmlspecialchars( wp_strip_all_tags( $poll_answer_text ) ),
				number_format_i18n( $poll_answer_votes ),
				$poll_answer_percentage,
				$poll_multiple_answer_percentage,
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				$poll_answer_imagewidth
			), $template_answer );
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			// Print Out Results Body Template
			$temp_pollresult .= "\t\t$template_answer\n";

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			// Get Most Voted Data
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			if ( $poll_answer_votes > $poll_most_votes ) {
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				$poll_most_answer = $poll_answer_text;
				$poll_most_votes = $poll_answer_votes;
				$poll_most_percentage = $poll_answer_percentage;
			}
			// Get Least Voted Data
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			if ( $poll_least_votes === 0 ) {
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				$poll_least_votes = $poll_answer_votes;
			}
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			if ( $poll_answer_votes <= $poll_least_votes ) {
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				$poll_least_answer = $poll_answer_text;
				$poll_least_votes = $poll_answer_votes;
				$poll_least_percentage = $poll_answer_percentage;
			}
		}
		// Results Footer Variables
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		if ( ! empty( $user_voted ) || $poll_question_active === 0 || ! check_allowtovote() ) {
			$template_footer = removeslashes( get_option( 'poll_template_resultfooter' ) );
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		} else {
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			$template_footer = removeslashes( get_option( 'poll_template_resultfooter2' ) );
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		}
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		$template_footer = str_replace( array(
			'%POLL_START_DATE%',
			'%POLL_END_DATE%',
			'%POLL_ID%',
			'%POLL_TOTALVOTES%',
			'%POLL_TOTALVOTERS%',
			'%POLL_MOST_ANSWER%',
			'%POLL_MOST_VOTES%',
			'%POLL_MOST_PERCENTAGE%',
			'%POLL_LEAST_ANSWER%',
			'%POLL_LEAST_VOTES%',
			'%POLL_LEAST_PERCENTAGE%'
		), array(
			$poll_start_date,
			$poll_end_date,
			$poll_question_id,
			number_format_i18n( $poll_question_totalvotes ),
			number_format_i18n( $poll_question_totalvoters ),
			$poll_most_answer,
			number_format_i18n( $poll_most_votes ),
			$poll_most_percentage,
			$poll_least_answer,
			number_format_i18n( $poll_least_votes ),
			$poll_least_percentage
		), $template_footer );
		if ( $poll_multiple_ans > 0 ) {
			$template_footer = str_replace( '%POLL_MULTIPLE_ANS_MAX%', $poll_multiple_ans, $template_footer );
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		} else {
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			$template_footer = str_replace( '%POLL_MULTIPLE_ANS_MAX%', '1', $template_footer );
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		}
		// Print Out Results Footer Template
		$temp_pollresult .= "\t\t$template_footer\n";
		$temp_pollresult .= "\t\t<input type=\"hidden\" id=\"poll_{$poll_question_id}_nonce\" name=\"wp-polls-nonce\" value=\"".wp_create_nonce('poll_'.$poll_question_id.'-nonce')."\" />\n";
		$temp_pollresult .= "</div>\n";
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		if ( $display_loading ) {
			$poll_ajax_style = get_option( 'poll_ajax_style' );
			if ( (int) $poll_ajax_style['loading'] === 1 ) {
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				$temp_pollresult .= "<div id=\"polls-$poll_question_id-loading\" class=\"wp-polls-loading\"><img src=\"".plugins_url('wp-polls/images/loading.gif')."\" width=\"16\" height=\"16\" alt=\"".__('Loading', 'wp-polls')." ...\" title=\"".__('Loading', 'wp-polls')." ...\" class=\"wp-polls-image\" />&nbsp;".__('Loading', 'wp-polls')." ...</div>\n";
			}
		}
	} else {
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		$temp_pollresult .= removeslashes( get_option ('poll_template_disable' ) );
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	}
	// Return Poll Result
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	return apply_filters( 'wp_polls_result_markup', $temp_pollresult );
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}


### Function: Get IP Address
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if ( ! function_exists( 'get_ipaddress' ) ) {
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	function get_ipaddress() {
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		foreach ( array( 'HTTP_CF_CONNECTING_IP', 'HTTP_CLIENT_IP', 'HTTP_X_FORWARDED_FOR', 'HTTP_X_FORWARDED', 'HTTP_X_CLUSTER_CLIENT_IP', 'HTTP_FORWARDED_FOR', 'HTTP_FORWARDED', 'REMOTE_ADDR' ) as $key ) {
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			if ( array_key_exists( $key, $_SERVER ) === true ) {
				foreach ( explode( ',', $_SERVER[$key] ) as $ip ) {
					$ip = trim( $ip );
					if ( filter_var( $ip, FILTER_VALIDATE_IP ) !== false ) {
						return esc_attr( $ip );
					}
				}
			}
		}
	}
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}
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function poll_get_ipaddress() {
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	return apply_filters( 'wp_polls_ipaddress', wp_hash( get_ipaddress() ) );
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}
function poll_get_hostname() {
	$hostname = gethostbyaddr( get_ipaddress() );
	if ( $hostname === get_ipaddress() ) {
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		$hostname = wp_privacy_anonymize_ip( get_ipaddress() );
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	}
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	if ( false !== $hostname ) {
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		$hostname = substr( $hostname, strpos( $hostname, '.' ) + 1 );
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	}

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	return apply_filters( 'wp_polls_hostname', $hostname );
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}
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### Function: Short Code For Inserting Polls Archive Into Page
add_shortcode('page_polls', 'poll_page_shortcode');
function poll_page_shortcode($atts) {
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	return polls_archive();
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}


### Function: Short Code For Inserting Polls Into Posts
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add_shortcode( 'poll', 'poll_shortcode' );
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function poll_shortcode( $atts ) {
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	$attributes = shortcode_atts( array( 'id' => 0, 'type' => 'vote' ), $atts );
	if( ! is_feed() ) {
		$id = (int) $attributes['id'];

		// To maintain backward compatibility with [poll=1]. Props @tz-ua
		if( ! $id && isset( $atts[0] ) ) {
			$id = (int) trim( $atts[0], '="\'' );
		}

		if( $attributes['type'] === 'vote' ) {
			return get_poll( $id, false );
		} elseif( $attributes['type'] === 'result' ) {
			return display_pollresult( $id );
		}
	} else {
		return __( 'Note: There is a poll embedded within this post, please visit the site to participate in this post\'s poll.', 'wp-polls' );
	}
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}


### Function: Get Poll Question Based On Poll ID
if(!function_exists('get_poll_question')) {
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	function get_poll_question($poll_id) {
		global $wpdb;
		$poll_id = (int) $poll_id;
		$poll_question = $wpdb->get_var( $wpdb->prepare( "SELECT pollq_question FROM $wpdb->pollsq WHERE pollq_id = %d LIMIT 1", $poll_id ) );
		return wp_kses_post( removeslashes( $poll_question ) );
	}
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}


### Function: Get Poll Total Questions
if(!function_exists('get_pollquestions')) {
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	function get_pollquestions($display = true) {
		global $wpdb;
		$totalpollq = (int) $wpdb->get_var("SELECT COUNT(pollq_id) FROM $wpdb->pollsq");
		if($display) {
			echo $totalpollq;
		} else {
			return $totalpollq;
		}
	}
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}


### Function: Get Poll Total Answers
if(!function_exists('get_pollanswers')) {
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	function get_pollanswers($display = true) {
		global $wpdb;
		$totalpolla = (int) $wpdb->get_var("SELECT COUNT(polla_aid) FROM $wpdb->pollsa");
		if($display) {
			echo $totalpolla;
		} else {
			return $totalpolla;
		}
	}
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}


### Function: Get Poll Total Votes
if(!function_exists('get_pollvotes')) {
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	function get_pollvotes($display = true) {
		global $wpdb;
		$totalvotes = (int) $wpdb->get_var("SELECT SUM(pollq_totalvotes) FROM $wpdb->pollsq");
		if($display) {
			echo $totalvotes;
		} else {
			return $totalvotes;
		}
	}
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}

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### Function: Get Poll Votes Based on Poll ID
if(!function_exists('get_pollvotes_by_id')) {
	function get_pollvotes_by_id($poll_id, $display = true) {
		global $wpdb;
		$poll_id = (int) $poll_id;
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		$totalvotes = (int) $wpdb->get_var( $wpdb->prepare("SELECT pollq_totalvotes FROM $wpdb->pollsq WHERE pollq_id = %d LIMIT 1", $poll_id));
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		if($display) {
			echo $totalvotes;
		} else {
			return $totalvotes;
		}
	}
}

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### Function: Get Poll Total Voters
if(!function_exists('get_pollvoters')) {
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	function get_pollvoters($display = true) {
		global $wpdb;
		$totalvoters = (int) $wpdb->get_var("SELECT SUM(pollq_totalvoters) FROM $wpdb->pollsq");
		if($display) {
			echo $totalvoters;
		} else {
			return $totalvoters;
		}
	}
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}

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### Function: Get Poll Time Based on Poll ID and Date Format
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if ( ! function_exists( 'get_polltime' ) ) {
	function get_polltime( $poll_id, $date_format = 'd/m/Y', $display = true ) {
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		global $wpdb;
		$poll_id = (int) $poll_id;
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		$timestamp = (int) $wpdb->get_var( $wpdb->prepare( "SELECT pollq_timestamp FROM $wpdb->pollsq WHERE pollq_id = %d LIMIT 1", $poll_id ) );
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		$formatted_date = date( $date_format, $timestamp );
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		if ( $display ) {
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			echo $formatted_date;
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		} else {
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			return $formatted_date;
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		}
	}
}

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### Function: Check Voted To Get Voted Answer
function check_voted_multiple($poll_id, $polls_ips) {
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	if(!empty($_COOKIE["voted_$poll_id"])) {
		return explode(',', $_COOKIE["voted_$poll_id"]);
	} else {
		if($polls_ips) {
			return $polls_ips;
		} else {
			return array();
		}
	}
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}


### Function: Polls Archive Link
function polls_archive_link($page) {
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	$polls_archive_url = get_option('poll_archive_url');
	if($page > 0) {
		if(strpos($polls_archive_url, '?') !== false) {
			$polls_archive_url = "$polls_archive_url&amp;poll_page=$page";
		} else {
			$polls_archive_url = "$polls_archive_url?poll_page=$page";
		}
	}
	return $polls_archive_url;
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}


### Function: Displays Polls Archive Link
function display_polls_archive_link($display = true) {
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	$template_pollarchivelink = removeslashes(get_option('poll_template_pollarchivelink'));
	$template_pollarchivelink = str_replace("%POLL_ARCHIVE_URL%", get_option('poll_archive_url'), $template_pollarchivelink);
	if($display) {
		echo $template_pollarchivelink;
	} else{
		return $template_pollarchivelink;
	}
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}


### Function: Display Polls Archive
function polls_archive() {
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	do_action('wp_polls_polls_archive');
	global $wpdb, $in_pollsarchive;
	// Polls Variables
	$in_pollsarchive = true;
	$page = isset($_GET['poll_page']) ? (int) sanitize_key( $_GET['poll_page'] ) : 0;
	$polls_questions = array();
	$polls_answers = array();
	$polls_ips = array();
	$polls_perpage = (int) get_option('poll_archive_perpage');
	$poll_questions_ids = '0';
	$poll_voted = false;
	$poll_voted_aid = 0;
	$poll_id = 0;
	$pollsarchive_output_archive = '';
	$polls_type = (int) get_option('poll_archive_displaypoll');
	$polls_type_sql = '';
	// Determine What Type Of Polls To Show
	switch($polls_type) {
		case 1:
			$polls_type_sql = 'pollq_active = 0';
			break;
		case 2:
			$polls_type_sql = 'pollq_active = 1';
			break;
		case 3:
			$polls_type_sql = 'pollq_active IN (0,1)';
			break;
	}
	// Get Total Polls
	$total_polls = $wpdb->get_var("SELECT COUNT(pollq_id) FROM $wpdb->pollsq WHERE $polls_type_sql AND pollq_active != -1");

	// Calculate Paging
	$numposts = $total_polls;
	$perpage = $polls_perpage;
	$max_page = ceil($numposts/$perpage);
	if(empty($page) || $page == 0) {
		$page = 1;
	}
	$offset = ($page-1) * $perpage;
	$pages_to_show = 10;
	$pages_to_show_minus_1 = $pages_to_show-1;
	$half_page_start = floor($pages_to_show_minus_1/2);
	$half_page_end = ceil($pages_to_show_minus_1/2);
	$start_page = $page - $half_page_start;
	if($start_page <= 0) {
		$start_page = 1;
	}
	$end_page = $page + $half_page_end;
	if(($end_page - $start_page) !== $pages_to_show_minus_1) {
		$end_page = $start_page + $pages_to_show_minus_1;
	}
	if($end_page > $max_page) {
		$start_page = $max_page - $pages_to_show_minus_1;
		$end_page = $max_page;
	}
	if($start_page <= 0) {
		$start_page = 1;
	}
	if(($offset + $perpage) > $numposts) {
		$max_on_page = $numposts;
	} else {
		$max_on_page = ($offset + $perpage);
	}
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