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<?php /* Plugin Name: WordPress Hashtags Description: WordPress Hashtags allows you to automatically fetch your blog content and detect hashtags and set them as links Author: Samuel Elh Version: 0.3.2 Author URI: http://samelh.com */ // Prevent direct access defined('ABSPATH') || exit; class WPHT { protected static $instance = null; public static function instance() { return null == self::$instance ? new self : self::$instance; } public $settings; public $notice; function __construct() { $this->settings = array(); $this->settings['filtered'] = strlen( get_option('wpht_filter') ) > 1 ? get_option('wpht_filter') : 'pc,pt,wc,wt,bbp,bp,ct'; $this->settings['filter'] = explode( ',', $this->settings['filtered'] ); $this->settings['def_path'] = 'https://twitter.com/hashtag/[hashtag]/'; $this->settings['path'] = strlen( get_option('wpht_path') ) > 1 ? get_option('wpht_path') : $this->settings['def_path']; $this->settings['ignored'] = get_option('wpht_ignored') ? explode(',', get_option('wpht_ignored')) : array(); $this->settings['link_settings'] = get_option('wpht_lsettings') ? get_option('wpht_lsettings') : "{'_blank': '', 'nofollow': '', 'title' : '[hashtag]', 'class': '', 'css': '' }"; $this->settings['link_settings'] = stripslashes( $this->settings['link_settings'] ); $this->settings['link_settings'] = str_replace( array( "'", addslashes("'") ), '"', $this->settings['link_settings'] ); $this->settings['link_settings'] = stripslashes( $this->settings['link_settings'] ); $this->settings['link_settings_json'] = json_decode( $this->settings['link_settings'], true ); $ob = (object) $this->settings['link_settings_json']; $ob->title = ! empty( $ob->title ) ? (string) $ob->title : '[hashtag]'; $ob->css = ! empty( $ob->css ) ? (string) $ob->css : ''; $ob->class = ! empty( $ob->class ) ? (string) $ob->class : ''; $ob->nofollow = ! empty( $ob->nofollow ) ? (string) $ob->nofollow : ''; $ob->_blank = ! empty( $ob->_blank ) ? (string) $ob->_blank : ''; $this->settings['link_settings_json'] = (array) $ob; $this->settings['link_settings_json']['title'] = str_replace( '{apos}', "'", $this->settings['link_settings_json']['title']); $this->settings['link_settings_json']['title'] = '' !== $this->settings['link_settings_json']['title'] ? $this->settings['link_settings_json']['title'] : '[hashtag]'; } public function init() { if( in_array( 'pc', $this->settings['filter'] ) ) add_filter('the_content', array( &$this, 'filter')); if( in_array( 'pt', $this->settings['filter'] ) ) add_filter('the_title', array( &$this, 'filter')); if( in_array( 'wc', $this->settings['filter'] ) ) add_filter('widget_text', array( &$this, 'filter')); if( in_array( 'wt', $this->settings['filter'] ) ) add_filter('widget_title', array( &$this, 'filter')); if( in_array( 'bbp', $this->settings['filter'] ) ) { add_filter('bbp_get_topic_content', array( &$this, 'filter')); add_filter('bbp_get_reply_content', array( &$this, 'filter')); } if( in_array( 'ct', $this->settings['filter'] ) ) add_filter('comment_text', array( &$this, 'filter')); if( in_array( 'bp', $this->settings['filter'] ) ) add_filter('bp_get_activity_content_body', array( &$this, 'filter')); add_action( 'admin_menu', array( &$this, 'wpht_add_options_page')); add_filter( "plugin_action_links_".plugin_basename(__FILE__), array( &$this, 'wpht_push_settings_link')); add_action('admin_enqueue_scripts', array( &$this, 'wpht_admin_enqueue_scripts')); add_shortcode('wp-hashtag', array( &$this, 'wpht_shortcode')); } public function wpht_add_options_page() { add_options_page( 'WordPress Hashtags', 'WP Hashtags', 'manage_options', 'wordpress-hashtags', array( &$this, 'wpht_settings' ) ); } public function wpht_push_settings_link($links) { array_push( $links, '<a href="options-general.php?page=wordpress-hashtags">' . __( 'Settings' ) . '</a>' ); return $links; } public function wpht_shortcode( $atts, $content = null ) { return do_shortcode( $this->filter( $content ) ); } public function wpht_admin_enqueue_scripts() { if( isset( $_GET['page'] ) && $_GET['page'] == 'wordpress-hashtags' ) { wp_enqueue_script('wpht-admin-js', plugin_dir_url(__FILE__) . 'assets/admin.js' ); wp_enqueue_style('wpht-admin-css', plugin_dir_url(__FILE__) . 'assets/admin.css' ); } } public function filter( $content ) { if( is_feed() ) return $content; $original_content = $content; $content = mb_convert_encoding( (string) $content, 'UTF-8', 'UTF-8'); $content = html_entity_decode($content, ENT_QUOTES); $content = apply_filters( 'wpht_pre_filter_content', $content, $original_content ); preg_match_all( apply_filters ("wpht_regex_pattern", '/#(\w{4,10})/u'), strip_tags($content), $hashtags ); $hashtags = array_unique( array_filter( $hashtags[1] ) ); if( !empty( $this->settings['ignored'] ) ) : foreach( $this->settings['ignored'] as $ignored ) :; foreach( $hashtags as $key => $hashtag ) if( $hashtag == $ignored ) unset( $hashtags[$key] ); endforeach; endif; $parsedHashtags = array(); $href = $this->settings['path']; $title = $this->settings['link_settings_json']['title']; $atts = ' title="' . $title . '"'; $class = $this->settings['link_settings_json']['class']; $atts .= $class !== '' ? ' class="'. $class .'"' : ''; $style = $this->settings['link_settings_json']['css']; $atts .= $style !== '' ? ' style="'. $style .'"' : ''; $blank = $this->settings['link_settings_json']['_blank']; $atts .= $blank == '1' ? ' target="_blank"' : ''; $nofollow = $this->settings['link_settings_json']['nofollow']; $atts .= $nofollow == '1' ? ' rel="nofollow"' : ''; $link = '<a href="' . $href . '"' . $atts . '>#[hashtag]</a>'; foreach( $hashtags as $hashtag ) :; $parsedHashtags[] = str_replace( '[hashtag]', $hashtag, $link ); endforeach; $tarHashtags = array(); foreach( $hashtags as $hashtag ) :; $tarHashtags[] = '#' . $hashtag; endforeach; $content = str_replace( $tarHashtags, $parsedHashtags, $content ); return apply_filters( 'wpht_filter_content', $content, $original_content ); } function wpht_settings() { if( isset( $_POST['submit'] ) ) { $filtered = isset( $_POST['wpht_filtered'] ) ? $_POST['wpht_filtered'] : $this->settings['filtered']; $filtered = array_filter( array_unique( explode( ',', $filtered ) ) ); $filtered = empty( $filtered ) ? array('none') : $filtered; $filtered = implode( ',', $filtered ); $ignored = isset( $_POST['wpht_ignored'] ) ? $_POST['wpht_ignored'] : false; $ignored = array_filter( array_unique( explode( ',', $ignored ) ) ); $ignored = empty( $ignored ) ? false : $ignored; $ignored = $ignored ? implode( ',', $ignored ) : false; update_option( 'wpht_filter', $filtered ); if( isset( $_POST['wpht_path'] ) && $_POST['wpht_path'] !== $this->settings['def_path'] ) update_option( 'wpht_path', $_POST['wpht_path'] ); else delete_option( 'wpht_path' ); if( $ignored ) update_option( 'wpht_ignored', $ignored ); else delete_option( 'wpht_ignored' ); if( isset( $_POST['wpht_lsettings'] ) ) update_option('wpht_lsettings', $_POST['wpht_lsettings'] ); // $_POST['wpht_lsettings'] for a hidden field of a JSON object constructed and validated with JS $this->notice = '<div id="updated" class="updated notice is-dismissible"><p>Changes saved successfully.</p></div>'; $this::__construct(); } ?> <div class="wrap"> <div class="wpht_left"> <?php echo isset( $this->notice ) ? $this->notice : ''; ?> <h2>WordPress Hashtags » Settings</h2> <form method="post" onchange="wpht_change()"> <table class="wpht"> <tr> <td valign="top"><h3>Filter</h3></td> <td> <label><input type="checkbox" class="wpht_filters" id="pc" <?php echo in_array( 'pc', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?>/>Posts/pages content</label><br/> <label><input type="checkbox" class="wpht_filters" id="pt" <?php echo in_array( 'pt', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />Posts/pages title</label><br/> <label><input type="checkbox" class="wpht_filters" id="ct" <?php echo in_array( 'ct', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />Comments text</label><br/> <label><input type="checkbox" class="wpht_filters" id="wc" <?php echo in_array( 'wc', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />Widgets content</label><br/> <label><input type="checkbox" class="wpht_filters" id="wt" <?php echo in_array( 'wt', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />Widgets title</label><br/> <?php if( function_exists('bbpress') ) : ?> <label><input type="checkbox" class="wpht_filters" id="bbp" <?php echo in_array( 'bbp', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />bbPress topic and replies</label><br/> <?php endif; ?> <?php if( function_exists('bbpress') ) : ?> <label><input type="checkbox" class="wpht_filters" id="bp" <?php echo in_array( 'bp', $this->settings['filter'] ) ? 'checked="checked"' : ''; ?> />BuddyPress activity</label> <?php endif; ?> </td> </tr> <tr> <td><h3>Hashtag URL</h3></td> <td> <input type="text" value="<?php echo $this->settings['path']; ?>" name="wpht_path" size="50" /> <i style="display:block">Use <code>[hashtag]</code> for the hashtag name</i> </td> </tr> <tr> <td><h3>Ignore hashtags</h3></td> <td> <div id="ignored-hashtags"></div> <span class="add-hashtag" onclick="wpht_addHT()" title="Add hashtag">+</span> <textarea id="ignore-hashtags" placeholder="add hashtags separated by commas" name="wpht_ignored"><?php echo implode(',', $this->settings['ignored']), !empty($this->settings['ignored']) ? ',' : ''; ?></textarea> </td> </tr> <tr> <td valign="top"><h3>Link settings</h3></td> <td> <label> <strong>Title:</strong><i> Use <code>[hashtag]</code> for the hashtag name</i><br/> <input type="text" id="_link-title" size="50" value="<?php echo $this->settings['link_settings_json']['title']; ?>" /> </label><br/> <label> <strong>CSS class(s):</strong><br/> <input type="text" size="50" id="_link-class" value="<?php echo $this->settings['link_settings_json']['class']; ?>" /> </label><br/> <label> <strong>Inline CSS style:</strong><br/> <input type="text" size="50" id="_link-css" value="<?php echo $this->settings['link_settings_json']['css']; ?>" /> </label><br/> <label><input type="checkbox" id="_new-tab" <?php echo $this->settings['link_settings_json']['_blank'] == '1' ? 'checked="checked"' : ''; ?>/>Open in new tab</label><br/> <label><input type="checkbox" id="_no-follow" <?php echo $this->settings['link_settings_json']['nofollow'] == '1' ? 'checked="checked"' : ''; ?>/>Enable <code>rel=nofollow</code></label><br/> </td> </tr> <tr> <td><h3>Preview</h3></td> <td><h2><?php echo do_shortcode('[wp-hashtag]#WordPress[/wp-hashtag]'); ?></h2></td> </tr> <tr> <td> <input type="hidden" value="<?php echo $this->settings['filtered']; ?>" id="wpht_filtered" name="wpht_filtered" /> <input type="hidden" value="<?php echo str_replace('"','\'',$this->settings['link_settings']); ?>" id="wpht_lsettings" name="wpht_lsettings" /> <?php submit_button(); ?> </td> </tr> </table> </form> <h3>Using shortcodes</h3> <p> If there is any place we can not fetch its content and parse hashtags, you can simply use the shortcode <code>[wp-hashtag]</code>: <li>Plain text: <code>[wp-hashtag]#hashtag[/wp-hashtag]</code></li> <li>PHP template, etc: <code><?php echo do_shortcode('[wp-hashtag]#hashtag[/wp-hashtag]'); ?></code></li> </p> </div> <div class="wpht_right"> <h3>Check out more of our premium plugins</h3> <?php if( function_exists('bbpress')) : ?> <li><a target="_blank" href="http://go.samelh.com/get/bbpress-ultimate/">bbPress Ultimate</a> adds more features to your forums and bbPress/BuddyPress profiles..</li> <li><a target="_blank" href="http://go.samelh.com/get/bbpress-thread-prefixes/">bbPress Thread Prefixes</a> enables thread prefixes in your blog, just like any other forum board!</li> <?php endif; ?> <li><a target="_blank" href="http://go.samelh.com/get/youtube-information/">YouTube Information</a>: easily embed YouTube video/channel info and stats, video cards, channel cards, widgets, shortcodes..</li> <li><a target="_blank" href="http://go.samelh.com/get/wpchats/">WpChats</a> bringing instant live chat & private messaging feature to your site..</li> <p>View more of our <a target="_blank" href="https://profiles.wordpress.org/elhardoum#content-plugins">free</a> and <a target="_blank" href="http://codecanyon.net/user/samiel/portfolio?ref=samiel">premium</a> plugins.</p> <p><hr/></p> <h3>Subscribe, Join our mailing list</h3> <p><i>Join our mailing list today for more WordPress tips and tricks and awesome free and premium plugins</i><p> <form action="//samelh.us12.list-manage.com/subscribe/post?u=677d27f6f70087b832c7d6b67&id=7b65601974" method="post" name="mc-embedded-subscribe-form" class="validate" target="_blank" novalidate=""> <label><strong>Email:</strong><br/> <input type="email" value="<?php echo wp_get_current_user()->email; ?>" name="EMAIL" class="required email" id="mce-EMAIL" /> </label> <br/> <label><strong>Your name:</strong><br/> <input type="text" value="<?php echo wp_get_current_user()->user_nicename; ?>" name="FNAME" class="" id="mce-FNAME" /> </label> <br/> <input type="submit" value="Subscribe" name="subscribe" id="mc-embedded-subscribe" class="button" /> </form> <p><hr/></p> <h3>Are you looking for help?</h3> <p>Don't worry, we got you covered:</p> <li><a href="http://wordpress.org/support/plugin/wp-hashtags">Go to plugin support forum on WordPress</a></li> <li><a href="http://support.samelh.com/">Try our Support forum</a></li> <li><a href="http://blog.samelh.com/">Browse our blog for tutorials</a></li> <p><hr/></p> <p> <li><a href="https://wordpress.org/support/view/plugin-reviews/wp-hashtags?rate=5#postform">Give us ★★★★★ rating</a></li> <li><a href="http://twitter.com/samuel_elh">Follow @Samuel_Elh on Twitter</a></li> </p> <p>Thank you! :)</p> </div> </div> <?php } } // Load it! WPHT::instance()->init();

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