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wp-print-for-pb.php
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wp-print-for-pb.php
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<?php
/*
Plugin Name: WP-Print for PB
Plugin URI: http://lesterchan.net/portfolio/programming/php/
Description: Displays a printable version of your WordPress blog's post/page. Based on WP-Print Version: 2.58.1 Lester 'GaMerZ' Chan
Version: 100.0
Author: Colomet
Author URI: http://books4languages.com
Text Domain: wp-print-for-pb
* Network: False
*/
/*
Copyright 2019 Lester Chan (email : lesterchan@gmail.com)
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.
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.
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
*/
### Create Text Domain For Translations
add_action( 'plugins_loaded', 'print_textdomain' );
function print_textdomain() {
load_plugin_textdomain( 'wp-print' );
}
### Function: Print Option Menu
add_action('admin_menu', 'print_menu');
function print_menu() {
add_options_page(__('Print', 'wp-print'), __('Print', 'wp-print'), 'manage_options', 'wp-print/print-options.php') ;
}
### Function: Add htaccess Rewrite Endpoint - this handles all the rules
add_action( 'init', 'wp_print_endpoint' );
function wp_print_endpoint() {
add_rewrite_endpoint( 'print', EP_PERMALINK | EP_PAGES );
}
### Function: Print Public Variables
add_filter('query_vars', 'print_variables');
function print_variables($public_query_vars) {
$public_query_vars[] = 'print';
return $public_query_vars;
}
### Function: Display Print Link
function print_link($print_post_text = '', $print_page_text = '', $echo = true) {
$polyglot_append = '';
if (function_exists('polyglot_get_lang')){
global $polyglot_settings;
$polyglot_append = $polyglot_settings['uri_helpers']['lang_view'].'/'.polyglot_get_lang().'/';
}
$output = '';
$using_permalink = get_option('permalink_structure');
$print_options = get_option('print_options');
$print_style = intval($print_options['print_style']);
if(empty($print_post_text)) {
$print_text = stripslashes($print_options['post_text']);
} else {
$print_text = $print_post_text;
}
$print_icon = plugins_url('wp-print/images/'.$print_options['print_icon']);
$print_link = get_permalink();
$print_html = stripslashes($print_options['print_html']);
// Fix For Static Page
if ( get_option( 'show_on_front' ) === 'page' && is_page() ) {
if ( (int) get_option( 'page_on_front' ) > 0 ) {
$print_link = _get_page_link();
}
}
if(!empty($using_permalink)) {
if(substr($print_link, -1, 1) != '/') {
$print_link = $print_link.'/';
}
if(is_page()) {
if(empty($print_page_text)) {
$print_text = stripslashes($print_options['page_text']);
} else {
$print_text = $print_page_text;
}
}
$print_link = $print_link.'print/'.$polyglot_append;
} else {
if(is_page()) {
if(empty($print_page_text)) {
$print_text = stripslashes($print_options['page_text']);
} else {
$print_text = $print_page_text;
}
}
$print_link = $print_link.'&print=1';
}
unset($print_options);
switch($print_style) {
// Icon + Text Link
case 1:
$output = '<a href="'.$print_link.'" title="'.$print_text.'" target="_blank" rel="nofollow"><img class="WP-PrintIcon" src="'.$print_icon.'" alt="'.$print_text.'" title="'.$print_text.'" style="border: 0px;" /></a> <a href="'.$print_link.'" title="'.$print_text.'" target="_blank" rel="nofollow">'.$print_text.'</a>';
break;
// Icon Only
case 2:
$output = '<a href="'.$print_link.'" title="'.$print_text.'" rel="nofollow"><img class="WP-PrintIcon" src="'.$print_icon.'" alt="'.$print_text.'" title="'.$print_text.'" style="border: 0px;" /></a>';
break;
// Text Link Only
case 3:
$output = '<a href="'.$print_link.'" title="'.$print_text.'" rel="nofollow">'.$print_text.'</a>';
break;
case 4:
$print_html = str_replace("%PRINT_URL%", $print_link, $print_html);
$print_html = str_replace("%PRINT_TEXT%", $print_text, $print_html);
$print_html = str_replace("%PRINT_ICON_URL%", $print_icon, $print_html);
$output = $print_html;
break;
}
if($echo) {
echo $output."\n";
} else {
return $output;
}
}
### Function: Short Code For Inserting Prink Links Into Posts/Pages
add_shortcode('print_link', 'print_link_shortcode');
function print_link_shortcode($atts) {
if(!is_feed()) {
return print_link('', '', false);
} else {
return __('Note: There is a print link embedded within this post, please visit this post to print it.', 'wp-print');
}
}
function print_link_shortcode2($atts) {
return;
}
### Function: Short Code For DO NOT PRINT Content
add_shortcode('donotprint', 'print_donotprint_shortcode');
function print_donotprint_shortcode($atts, $content = null) {
return do_shortcode($content);
}
function print_donotprint_shortcode2($atts, $content = null) {
return;
}
### Function: Print Content
function print_content($display = true) {
global $links_text, $link_number, $max_link_number, $matched_links, $pages, $multipage, $numpages, $post;
if (!isset($matched_links)) {
$matched_links = array();
}
$content = '';
if(post_password_required()) {
$content = get_the_password_form();
} else {
if($multipage) {
for($page = 0; $page < $numpages; $page++) {
$content .= $pages[$page];
}
} else {
$content = $pages[0];
}
if(function_exists('email_rewrite')) {
remove_shortcode('donotemail');
add_shortcode('donotemail', 'email_donotemail_shortcode2');
}
remove_shortcode('donotprint');
add_shortcode('donotprint', 'print_donotprint_shortcode2');
remove_shortcode('print_link');
add_shortcode('print_link', 'print_link_shortcode2');
$content = apply_filters('the_content', $content);
$content = str_replace(']]>', ']]>', $content);
if(!print_can('images')) {
$content = remove_image($content);
}
if(!print_can('videos')) {
$content = remove_video($content);
}
if(print_can('links')) {
preg_match_all('/<a(.+?)href=[\"\'](.+?)[\"\'](.*?)>(.+?)<\/a>/', $content, $matches);
for ($i=0; $i < count($matches[0]); $i++) {
$link_match = $matches[0][$i];
$link_url = $matches[2][$i];
if(substr($link_url, 0, 2) == '//') {
$link_url = (is_ssl() ? 'https:' : 'http:') . $link_url;
} elseif(stristr($link_url, 'https://')) {
$link_url =(strtolower(substr($link_url,0,8)) != 'https://') ?get_option('home') . $link_url : $link_url;
} else if(stristr($link_url, 'mailto:')) {
$link_url =(strtolower(substr($link_url,0,7)) != 'mailto:') ?get_option('home') . $link_url : $link_url;
} else if($link_url[0] == '#') {
$link_url = $link_url;
} else {
$link_url =(strtolower(substr($link_url,0,7)) != 'http://') ?get_option('home') . $link_url : $link_url;
}
$link_text = $matches[4][$i];
$new_link = true;
$link_url_hash = md5($link_url);
if (!isset($matched_links[$link_url_hash])) {
$link_number = ++$max_link_number;
$matched_links[$link_url_hash] = $link_number;
} else {
$new_link = false;
$link_number = $matched_links[$link_url_hash];
}
$content = str_replace_one($link_match, "<a href=\"$link_url\" rel=\"external\">".$link_text.'</a> <sup>['.number_format_i18n($link_number).']</sup>', $content);
if ($new_link) {
if(preg_match('/<img(.+?)src=[\"\'](.+?)[\"\'](.*?)>/',$link_text)) {
$links_text .= '<p style="margin: 2px 0;">['.number_format_i18n($link_number).'] '.__('Image', 'wp-print').': <b><span dir="ltr">'.$link_url.'</span></b></p>';
} else {
$links_text .= '<p style="margin: 2px 0;">['.number_format_i18n($link_number).'] '.$link_text.': <b><span dir="ltr">'.$link_url.'</span></b></p>';
}
}
}
}
}
if($display) {
echo $content;
} else {
return $content;
}
}
### Function: Print Categories
function print_categories($before = '', $after = '') {
$temp_cat = strip_tags(get_the_category_list(','));
$temp_cat = explode(', ', $temp_cat);
$temp_cat = implode($after.__(',', 'wp-print').' '.$before, $temp_cat);
echo $before.$temp_cat.$after;
}
/* @ADDED: deleting comments */
### Function: Print Links
function print_links($text_links = '') {
global $links_text;
if(empty($text_links)) {
$text_links = __('URLs in this post:', 'wp-print');
}
if(!empty($links_text)) {
echo $text_links.$links_text;
}
}
### Function: Load WP-Print
add_action('template_redirect', 'wp_print', 5);
function wp_print() {
global $wp_query;
if( array_key_exists( 'print' , $wp_query->query_vars ) ) {
include(WP_PLUGIN_DIR.'/wp-print/print.php');
exit();
}
}
/* @ADDED: deleting comments */
### Function: Print Page Title
function print_pagetitle($page_title) {
$page_title .= ' » '.__('Print', 'wp-print');
return $page_title;
}
### Function: Can Print?
function print_can($type) {
$print_options = get_option( 'print_options' );
if ( isset( $print_options[$type] ) ) {
return (int) $print_options[$type];
}
return 0;
}
### Function: Remove Image From Text
function remove_image($content) {
$content= preg_replace('/<img(.+?)src=[\"\'](.+?)[\"\'](.*?)>/', '',$content);
return $content;
}
### Function: Remove Video From Text
function remove_video( $content ) {
$content= preg_replace( '/<object[^>]*?>.*?<\/object>/', '',$content );
$content= preg_replace( '/<embed[^>]*?>.*?<\/embed>/', '',$content );
$content= preg_replace( '/<iframe[^>]*?>.*?<\/iframe>/', '',$content );
return $content;
}
### Function: Replace One Time Only
function str_replace_one($search, $replace, $content){
if ($pos = strpos($content, $search)) {
return substr($content, 0, $pos).$replace.substr($content, $pos+strlen($search));
} else {
return $content;
}
}
### Function: Activate Plugin
register_activation_hook( __FILE__, 'print_activation' );
function print_activation( $network_wide ) {
// Add Options
$option_name = 'print_options';
$option = array(
'post_text' => __('Print This Post', 'wp-print'),
'page_text' => __('Print This Page', 'wp-print'),
'print_icon' => 'print.gif',
'print_style' => 1,
'print_html' => '<a href="%PRINT_URL%" rel="nofollow" title="%PRINT_TEXT%">%PRINT_TEXT%</a>',
// 'comments' => 0,
'links' => 1,
'images' => 1,
'thumbnail' => 0,
'videos' => 0,
'disclaimer' => sprintf(__('Copyright © %s %s. All rights reserved.', 'wp-print'), date('Y'), get_option('blogname'))
);
if ( is_multisite() && $network_wide ) {
$ms_sites = function_exists( 'get_sites' ) ? get_sites() : wp_get_sites();
if( 0 < count( $ms_sites ) ) {
foreach ( $ms_sites as $ms_site ) {
$blog_id = isset( $ms_site['blog_id'] ) ? $ms_site['blog_id'] : $ms_site->blog_id;
switch_to_blog( $blog_id );
add_option( $option_name, $option );
print_activate();
}
}
restore_current_blog();
} else {
add_option( $option_name, $option );
print_activate();
}
}
function print_activate() {
flush_rewrite_rules();
}