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<?php /** * Generate PDF * * Originally by Redcocker 2012/3/5 * License: GPL v2 * http://www.near-mint.com/blog/ * * @since 2.1.0 * * @package LearnDash\PDF / if ( ! function_exists( 'learndash_get_thumb_path' ) ) { /* * Get featured image of certificate post * * @param int $post_id * @return string full image path / function learndash_get_thumb_path( $post_id ) { $thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true ); if ( $thumbnail_id ) { $img_path = get_post_meta( $thumbnail_id, '_wp_attached_file', true ); $upload_url = wp_upload_dir(); $img_full_path = $upload_url['basedir'] . '/' . $img_path; return $img_full_path; } } } if ( ! function_exists( 'post2pdf_conv_post_to_pdf' ) ) { /* * Convert Post to PDF / function post2pdf_conv_post_to_pdf() { /* * Callback for image align center * * @param array $matches array with strings to search and replace. * @return array $matches / function post2pdf_conv_image_align_center( $matches ) { $tag_begin = '<p class="post2pdf_conv_image_align_center">'; $tag_end = '</p>'; return $tag_begin . $matches[1] . $tag_end; } /* * Callback for images without width and height attribute * * @param array $matches array with strings to search and replace. * @return array $matches / function post2pdf_conv_img_size( $matches ) { $size = null; if ( strpos( $matches[2], site_url() ) === false ) { return $matches[1] . $matches[5]; } $image_path = ABSPATH . str_replace( site_url() . '/', '', $matches[2] ); if ( file_exists( $image_path ) ) { $size = getimagesize( $image_path ); } else { return $matches[1] . $matches[5]; } return $matches[1] . ' ' . $size[3] . $matches[5]; } $post_id = 0; $target_post_id = $post_id; $get_by_http_request = 0; $filename_type = 'title'; $config_lang = 'eng'; $post2pdf_conv_setting_opt = Array('font_path' => 0); $subsetting_enable = $filters = $header_enable = $footer_enable = $monospaced_font = $font = $font_size = $wrap_title = ''; $ratio = 1.25; $shortcode = 'parse'; ob_start(); if ( ! empty( $_GET['id'] ) ) { $post_id = intval( $_GET['id'] ); } if ( $target_post_id != 0 ) { $post_id = $target_post_id; } $post_data = get_post( $post_id ); if ( ! $post_data ) { wp_die( esc_html__( 'Post does not exist.', 'learndash' ) ); } $title = $post_data->post_title; // For qTranslate if ( function_exists( 'qtrans_use' ) && ! empty( $this->q_config['language'] ) ) { $title = qtrans_use( $this->q_config['language'], $title, false ); } $title = strip_tags( $title ); $permalink = get_permalink( $post_data->ID ); $author_data = get_userdata( $post_data->post_author ); if ( $author_data->display_name ) { $author = $author_data->display_name; } else { $author = $author_data->user_nicename; } $tag = array(); $tags = ''; $tags_data = wp_get_post_tags( $post_data->ID ); if ( $tags_data ) { foreach ( $tags_data as $val ) { $tag[] = $val->name; } $tags = implode( ' ', $tag ); } if ( $get_by_http_request == 1 ) { $permalink_url = get_permalink( $post_id ); $response_data = wp_remote_get( $permalink_url ); $content = preg_replace( '\|^.?<!-- post2pdf-converter-begin -->(.?)<!-- post2pdf-converter-end -->.?$\|is', '$1', $response_data['body'] ); } else { $content = $post_data->post_content; // For qTranslate if ( function_exists( 'qtrans_use' ) && ! empty( $this->q_config['language'] ) ) { $content = qtrans_use( $this->q_config['language'], $content, true ); } } if ( ! empty( $_GET['lang'] ) ) { $config_lang_tmp = substr( esc_html( $_GET['lang'] ), 0, 3 ); //if ( ( strlen( $config_lang_tmp ) == 3 ) && ( file_exists( dirname( __FILE__ ) . '/vendor/tcpdf/config/lang/' . $config_lang_tmp . '.php' ) ) ) { if ( ( strlen( $config_lang_tmp ) == 3 ) && ( file_exists( LEARNDASH_LMS_LIBRARY_DIR . '/tcpdf/config/lang/' . $config_lang_tmp . '.php' ) ) ) { $config_lang = $config_lang_tmp; } } if ( ! empty( $_GET['file'] ) ) { $filename_type = $_GET['file']; } if ( $filename_type == 'title' && $target_post_id == 0 ) { $filename = $post_data->post_title; // For qTranslate if ( function_exists( 'qtrans_use' ) && ! empty( $this->q_config['language'] ) ) { $filename = qtrans_use( $this->q_config['language'], $filename, false ); } } else { $filename = $post_id; } $filename = substr( $filename, 0, 255 ); $chached_filename = ''; if ( $target_post_id != 0 ) { $filename = WP_CONTENT_DIR . '/tcpdf-pdf/' . $filename; } // For qTranslate if ( function_exists( 'qtrans_use' ) && ! empty( $this->q_config['language'] ) ) { $filename = $filename . '_' . $this->q_config['language']; } if ( ! empty( $_GET['font'] ) ) { $font = esc_html( $_GET['font'] ); } if ( ! empty( $_GET['monospaced'] ) ) { $monospaced_font = esc_html( $_GET['monospaced'] ); } if ( ! empty( $_GET['fontsize'] ) ) { $font_size = intval( $_GET['fontsize'] ); } if ( ! empty( $_GET['subsetting'] ) &&( $_GET['subsetting'] == 1 \|\| $_GET['subsetting'] == 0 ) ) { $subsetting_enable = $_GET['subsetting']; } if ( $subsetting_enable == 1 ) { $subsetting = 'true'; } else { $subsetting = 'false'; } if ( ! empty( $_GET['ratio'] ) ) { $ratio = floatval( $_GET['ratio'] ); } if ( ! empty( $_GET['header'] ) ) { $header_enable = $_GET['header']; } if ( ! empty( $_GET['logo'] ) ) { $logo_enable = $_GET['logo']; } if ( ! empty( $_GET['logo_file'] ) ) { $logo_file = esc_html( $_GET['logo_file'] ); } if ( ! empty( $_GET['logo_width'] ) ) { $logo_width = intval( $_GET['logo_width'] ); } if ( ! empty( $_GET['wrap_title'] ) ) { $wrap_title = $_GET['wrap_title']; } if ( ! empty( $_GET['footer'] ) ) { $footer_enable = $_GET['footer']; } if ( ! empty( $_GET['filters'] ) ) { $filters = $_GET['filters']; } if ( ! empty( $_GET['shortcode'] ) ) { $shortcode = esc_html( $_GET['shortcode'] ); } if ( $target_post_id != 0 ) { $destination = 'F'; } else { $destination = 'I'; } // Delete shortcode for POST2PDF Converter $content = preg_replace( '\|\[pdf[^\]]?\].?\[/pdf\]\|i', '', $content ); // For WP-Syntax, WP-CodeBox(GeSHi) and WP-GeSHi-Highlight -- syntax highlighting with clean, small and valid (X)HTML if ( function_exists( 'wp_syntax_highlight' ) \|\| function_exists( 'wp_codebox_before_filter' ) \|\| function_exists( 'wp_geshi_main' ) ) { $content = preg_replace_callback( "/<pre[^>]?lang=['\"][^>]?>(.?)<\/pre>/is", array($this, post2pdf_conv_sourcecode_wrap_pre_and_esc), $content ); } // For CodeColorer(GeSHi) if ( class_exists( 'CodeColorerLoader' ) ) { $content = preg_replace_callback( "/<code[^>]?lang=['\"][^>]?>(.?)<\/code>/is", array($this, post2pdf_conv_sourcecode_wrap_pre_and_esc), $content ); } // For WP Code Highlight if ( function_exists( 'wp_code_highlight_filter' ) ) { $content = wp_code_highlight_filter( $content ); $content = preg_replace( '/<pre[^>]?>(.?)<\/pre>/is', '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); } // Parse shortcode before applied WP default filters if ( $shortcode == 'parse' && $get_by_http_request != 1 ) { // For WP SyntaxHighlighter if ( function_exists( 'wp_sh_add_extra_bracket' ) ) { $content = wp_sh_add_extra_bracket( $content ); } if ( function_exists( 'wp_sh_do_shortcode' ) ) { $content = wp_sh_do_shortcode( $content ); } // For SyntaxHighlighter Evolved if ( class_exists( 'SyntaxHighlighter' ) ) { global $SyntaxHighlighter; if ( method_exists( 'SyntaxHighlighter', 'parse_shortcodes' ) && method_exists( 'SyntaxHighlighter', 'shortcode_hack' ) ) { $content = $SyntaxHighlighter->parse_shortcodes( $content ); } } // For SyntaxHighlighterPro if ( class_exists( 'GoogleSyntaxHighlighterPro' ) ) { global $googleSyntaxHighlighter; if ( method_exists( 'GoogleSyntaxHighlighterPro', 'bbcode' ) ) { $content = $googleSyntaxHighlighter->bbcode( $content ); } } // For CodeColorer(GeSHi) if ( class_exists( 'CodeColorerLoader' ) ) { $content = preg_replace_callback( "/\[cc[^\]]?lang=['\"][^\]]?\](.?)\[\/cc\]/is", array($this, post2pdf_conv_sourcecode_wrap_pre_and_esc), $content ); } } else if ( $get_by_http_request != 1 ) { // For WP SyntaxHighlighter if ( function_exists( 'wp_sh_strip_shortcodes' ) ) { $content = wp_sh_strip_shortcodes( $content ); } // For SyntaxHighlighterPro if ( class_exists( 'GoogleSyntaxHighlighterPro' ) ) { global $googleSyntaxHighlighter; if ( method_exists( 'GoogleSyntaxHighlighterPro', 'bbcode_strip' ) ) { $content = $googleSyntaxHighlighter->bbcode_strip( $content ); } } // For CodeColorer(GeSHi) if ( class_exists( 'CodeColorerLoader' ) ) { $content = preg_replace_callback( "/\[cc[^\]]?lang=['\"][^\]]?\](.?)\[\/cc\]/is", array($this, post2pdf_conv_sourcecode_esc), $content ); } } // Apply WordPress default filters to title and content if ( $filters == 1 && $get_by_http_request != 1 ) { if ( has_filter( 'the_title', 'wptexturize' ) ) { $title = wptexturize( $title ); } if ( has_filter( 'the_title', 'convert_chars' ) ) { $title = convert_chars( $title ); } if ( has_filter( 'the_title', 'trim' ) ) { $title = trim( $title ); } if ( has_filter( 'the_title', 'capital_P_dangit' ) ) { $title = capital_P_dangit( $title ); } if ( has_filter( 'the_content', 'wptexturize' ) ) { $content = wptexturize( $content ); } if ( has_filter( 'the_content', 'convert_smilies' ) ) { $content = convert_smilies( $content ); } if ( has_filter( 'the_content', 'convert_chars' ) ) { $content = convert_chars( $content ); } if ( has_filter( 'the_content', 'wpautop' ) ) { $content = wpautop( $content ); } if ( has_filter( 'the_content', 'shortcode_unautop' ) ) { $content = shortcode_unautop( $content ); } if ( has_filter( 'the_content', 'prepend_attachment' ) ) { $content = prepend_attachment( $content ); } if ( has_filter( 'the_content', 'capital_P_dangit' ) ) { $content = capital_P_dangit( $content ); } } // Include TCPDF if ( !class_exists( 'TCPDF' ) ) { //require_once dirname( __FILE__ ) . '/vendor/tcpdf/config/lang/' . $config_lang . '.php'; require_once LEARNDASH_LMS_LIBRARY_DIR . '/tcpdf/config/lang/' . $config_lang . '.php'; //require_once dirname( __FILE__ ) . '/vendor/tcpdf/tcpdf.php'; require_once LEARNDASH_LMS_LIBRARY_DIR . '/tcpdf/tcpdf.php'; } $learndash_certificate_options = get_post_meta( $post_data->ID, 'learndash_certificate_options', true); if (!is_array($learndash_certificate_options)) $learndash_certificate_options = array($learndash_certificate_options); if ( !isset( $learndash_certificate_options['pdf_page_format'] ) ) $learndash_certificate_options['pdf_page_format'] = PDF_PAGE_FORMAT; if ( !isset( $learndash_certificate_options['pdf_page_orientation'] ) ) $learndash_certificate_options['pdf_page_orientation'] = PDF_PAGE_ORIENTATION; // Create a new object //$pdf = new TCPDF( PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false, false ); $tcpdf_params = array( 'orientation' => $learndash_certificate_options['pdf_page_orientation'], 'unit' => PDF_UNIT, 'format' => $learndash_certificate_options['pdf_page_format'], 'unicode' => true, 'encoding' => 'UTF-8', 'diskcache' => false, 'pdfa' => false, 'margins' => array( 'top' => PDF_MARGIN_TOP, 'right' => PDF_MARGIN_RIGHT, 'bottom' => PDF_MARGIN_BOTTOM, 'left' => PDF_MARGIN_LEFT ) ); // Added to let external manipulate the TCPDF parameters. // @since 2.4.7 $tcpdf_params = apply_filters('learndash_certificate_params', $tcpdf_params, $post_id ); $pdf = new TCPDF( $tcpdf_params['orientation'], $tcpdf_params['unit'], $tcpdf_params['format'], $tcpdf_params['unicode'], $tcpdf_params['encoding'], $tcpdf_params['diskcache'], $tcpdf_params['pdfa'] ); // Added to let external manipulate the $pdf instance. // @since 2.4.7 do_action( 'learndash_certification_created', $pdf, $post_id ); // Set document information $pdf->SetCreator( PDF_CREATOR ); $pdf->SetAuthor( $author ); $pdf->SetTitle( $title . get_option( 'blogname' ) ); $pdf->SetSubject( strip_tags( get_the_category_list( ',', '', $post_id ) ) ); $pdf->SetKeywords( $tags ); // Set header data if ( mb_strlen( $title, 'UTF-8' ) < 42 ) { $header_title = $title; } else { $header_title = mb_substr( $title, 0, 42, 'UTF-8' ) . '...'; } if ( $header_enable == 1 ) { if ( $logo_enable == 1 && $logo_file ) { $pdf->SetHeaderData( $logo_file, $logo_width, $header_title, 'by ' . $author . ' - ' . $permalink ); } else { $pdf->SetHeaderData( '', 0, $header_title, 'by ' . $author . ' - ' . $permalink ); } } // Set header and footer fonts if ( $header_enable == 1 ) { $pdf->setHeaderFont( Array($font, '', PDF_FONT_SIZE_MAIN) ); } if ( $footer_enable == 1 ) { $pdf->setFooterFont( Array($font, '', PDF_FONT_SIZE_DATA) ); } // Remove header/footer if ( $header_enable == 0 ) { $pdf->setPrintHeader( false ); } if ( $header_enable == 0 ) { $pdf->setPrintFooter( false ); } // Set default monospaced font $pdf->SetDefaultMonospacedFont( $monospaced_font ); // Set margins //$pdf->SetMargins( PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT ); $pdf->SetMargins( $tcpdf_params['margins']['left'], $tcpdf_params['margins']['top'], $tcpdf_params['margins']['right'] ); if ( $header_enable == 1 ) { $pdf->SetHeaderMargin( PDF_MARGIN_HEADER ); } if ( $footer_enable == 1 ) { $pdf->SetFooterMargin( PDF_MARGIN_FOOTER ); } // Set auto page breaks //$pdf->SetAutoPageBreak( true, PDF_MARGIN_BOTTOM ); $pdf->SetAutoPageBreak( true, $tcpdf_params['margins']['bottom'] ); // Set image scale factor $pdf->setImageScale( $ratio ); // Set some language-dependent strings $pdf->setLanguageArray( $l ); // Set fontsubsetting mode $pdf->setFontSubsetting( $subsetting ); // Set font $pdf->SetFont( $font, '', $font_size, true ); // Add a page $pdf->AddPage(); // Added to let external manipulate the $pdf instance. // @since 2.4.7 do_action( 'learndash_certification_after', $pdf, $post_id ); // Create post content to print if ( $wrap_title == 1 ) { if ( mb_strlen( $title, 'UTF-8' ) < 33 ) { $title = $title; } else { $title = mb_substr( $title, 0, 33, 'UTF-8' ) . '<br />' . mb_substr( $title, 33, 222, 'UTF-8' ); } } // Parse shortcode after applied WP default filters if ( $shortcode == 'parse' && $get_by_http_request != 1 ) { // For WP QuickLaTeX if ( function_exists( 'quicklatex_parser' ) ) { $content = quicklatex_parser( $content ); } // For WP shortcode API $content = do_shortcode( $content ); } else if ( $get_by_http_request != 1 ) { // For WP shortcode API $content = strip_shortcodes( $content ); } // Convert relative image path to absolute image path $content = preg_replace( "/<img([^>]?)src=['\"]((?!(http:\/\/\|https:\/\/\|\/))[^'\"]+?)['\"]([^>]?)>/i", '<img$1src="' . site_url() . '/$2"$4>', $content ); // Set image align to center $content = preg_replace_callback( "/(<img[^>]?class=['\"][^'\"]?aligncenter[^'\"]?['\"][^>]?>)/i", 'post2pdf_conv_image_align_center', $content ); // Add width and height into image tag $content = preg_replace_callback( "/(<img[^>]?src=['\"]((http:\/\/\|https:\/\/\|\/)[^'\"]?(jpg\|jpeg\|gif\|png))['\"])([^>]?>)/i", 'post2pdf_conv_img_size', $content ); // For WP QuickLaTeX if ( function_exists( 'quicklatex_parser' ) ) { $content = preg_replace_callback( '/(<p class="ql-(center\|left\|right)-displayed-equation" style="line-height: )([0-9]+?)(px;)(">)/i', array($this, post2pdf_conv_qlatex_displayed_equation), $content ); $content = str_replace( '<p class="ql-center-picture">', '<p class="ql-center-picture" style="text-align: center;"><span class="ql-right-eqno">   <\/span><span class="ql-left-eqno">   <\/span>', $content ); } // For common SyntaxHighlighter $content = preg_replace( "/<pre[^>]?class=['\"][^'\"]?brush:[^'\"]?['\"][^>]?>(.?)<\/pre>/is", '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); $content = preg_replace( "/<script[^>]?type=['\"]syntaxhighlighter['\"][^>]?>(.?)<\/script>/is", '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); $content = preg_replace( "/<pre[^>]?name=['\"]code['\"][^>]?>(.?)<\/pre>/is", '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); $content = preg_replace( "/<textarea[^>]?name=['\"]code['\"][^>]?>(.?)<\/textarea>/is", '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); $content = preg_replace( '/\n/', '<br/>', $content ); //"\n" should be treated as a next line // For WP-SynHighlight(GeSHi) if ( function_exists( 'wp_synhighlight_settings' ) ) { $content = preg_replace( "/<pre[^>]?class=['\"][^>]?>(.?)<\/pre>/is", '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); $content = preg_replace( '\|<div[^>]?class="wp-synhighlighter-outer"><div[^>]?class="wp-synhighlighter-expanded"><table[^>]?><tr><td[^>]?><a[^>]?></a><a[^>]?class="wp-synhighlighter-title"[^>]?>[^<]?</a></td><td[^>]?><a[^>]?><img[^>]?/></a>[^<]?<a[^>]?><img[^>]?/></a>[^<]?<a[^>]?><img[^>]?/></a>[^<]?</td></tr></table></div>\|is', '', $content ); } // For other sourcecode $content = preg_replace( '/<pre[^>]?><code[^>]?>(.?)<\/code><\/pre>/is', '<pre style="word-wrap:break-word; color: #406040; background-color: #F1F1F1; border: 1px solid #9F9F9F;">$1</pre>', $content ); // For blockquote $content = preg_replace( '/<blockquote[^>]?>(.?)<\/blockquote>/is', '<blockquote style="color: #406040;">$1</blockquote>', $content ); // Combine title with content $formatted_title = '<h1 style="text-align:center;">' . $title . '</h1>'; //$formatted_post = $formatted_title . '<br/><br/>' . $content; (Title will not appear on PDF) $formatted_post = '<br/><br/>' . $content; $formatted_post = preg_replace( '/(<[^>]?font-family[^:]?:)([^;]?;[^>]*?>)/is', '$1' . $font . ',$2', $formatted_post ); // get featured image $postid = get_the_id(); //Get current post id $img_file = learndash_get_thumb_path( $postid ); //The same function from theme's[twentytwelve here] function.php //Only print image if it exists if ( $img_file != '' ) { //Print BG image $pdf->setPrintHeader( false ); // get the current page break margin $bMargin = $pdf->getBreakMargin(); // get current auto-page-break mode $auto_page_break = $pdf->getAutoPageBreak(); // disable auto-page-break $pdf->SetAutoPageBreak( false, 0 ); // Get width and height of page for dynamic adjustments $pageH = $pdf->getPageHeight(); $pageW = $pdf->getPageWidth(); //Print the Background $pdf->Image( $img_file, $x = '0', $y = '0', $w = $pageW, $h = $pageH, $type = '', $link = '', $align = '', $resize = false, $dpi = 300, $palign = '', $ismask = false, $imgmask = false, $border = 0, $fitbox = false, $hidden = false, $fitonpage = false, $alt = false, $altimgs = array() ); // restore auto-page-break status $pdf->SetAutoPageBreak( $auto_page_break, $bMargin ); // set the starting point for the page content $pdf->setPageMark(); } // Print post $pdf->writeHTMLCell( $w = 0, $h = 0, $x = '', $y = '', $formatted_post, $border = 0, $ln = 1, $fill = 0, $reseth = true, $align = '', $autopadding = true ); // Set background $pdf->SetFillColor( 255, 255, 127 ); $pdf->setCellPaddings( 0, 0, 0, 0 ); // Print signature ob_clean(); // Output pdf document $pdf->Output( $filename . '.pdf', $destination ); if ( $target_post_id != 0 ) { wp_die( wp_kses_post( __( '<strong>Generating completed successfully.</strong><br /><br />Post/Page title: ', 'learndash' ) ) . $title . wp_kses_post( __( '<br />Output path: ', 'learndash' ) ) . WP_CONTENT_DIR . '/tcpdf-pdf/' . $target_post_id . '.pdf' . wp_kses_post( __( '<br /><br />Go back to ', 'learndash' ) ) . '<a href="' . site_url() . '/wp-admin/options-general.php?page=post2pdf-converter-options">' . wp_kses_post( __( 'the setting panel</a>.', 'learndash' ) ), esc_html__( 'POST2PDF Converter', 'learndash' ) ); } } }

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