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related-posts-by-zemanta
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thumbnailer.php
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/
<?php /** * Init */ function zem_rp_add_image_sizes() { $platform_options = zem_rp_get_platform_options(); add_image_size(ZEM_RP_THUMBNAILS_NAME, ZEM_RP_THUMBNAILS_WIDTH, ZEM_RP_THUMBNAILS_HEIGHT, true); if ($platform_options['theme_name'] == 'pinterest.css') { add_image_size(ZEM_RP_THUMBNAILS_PROP_NAME, ZEM_RP_THUMBNAILS_WIDTH, 0, false); } if ($platform_options['custom_size_thumbnail_enabled']) { add_image_size(ZEM_RP_THUMBNAILS_NAME, $platform_options['custom_thumbnail_width'], $platform_options['custom_thumbnail_height'], true); } } add_action('init', 'zem_rp_add_image_sizes'); /** * Settings - replace default thumbnail */ function zem_rp_upload_default_thumbnail_file() { if (empty($_FILES['zem_rp_default_thumbnail'])) { return new WP_Error('upload_error'); } $file = $_FILES['zem_rp_default_thumbnail']; if(isset($file['error']) && $file['error'] === UPLOAD_ERR_NO_FILE) { return false; } if ($image_id = media_handle_upload('zem_rp_default_thumbnail', 0)) { $image_data = zem_rp_get_image_data($image_id); $platform_options = zem_rp_get_platform_options(); $img_width = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_thumbnail_width'] : ZEM_RP_THUMBNAILS_WIDTH; $img_height = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_thumbnail_height'] : ZEM_RP_THUMBNAILS_HEIGHT; if ($image = zem_rp_get_image_with_exact_size($image_data, array($img_width, $img_height))) { $upload_dir = wp_upload_dir(); return $upload_dir['url'] . '/' . $image['file']; } } return new WP_Error('upload_error'); } /** * Cron - Thumbnail extraction */ function zem_rp_upload_attachment($url, $post_id) { /* Parts copied from wp-admin/includes/media.php:media_sideload_image */ include_once(ABSPATH . 'wp-admin/includes/file.php'); include_once(ABSPATH . 'wp-admin/includes/media.php'); include_once(ABSPATH . 'wp-admin/includes/image.php'); $tmp = download_url($url); preg_match( '/[^\?]+\.(jpe?g|jpe|gif|png)\b/i', $url, $matches); if(! $matches) return; $file_array['name'] = sanitize_file_name(urldecode(basename($matches[0]))); $file_array['tmp_name'] = $tmp; if (is_wp_error($tmp)) { @unlink($file_array['tmp_name']); return false; } $post_data = array( 'guid' => $url, 'post_title' => 'rp_' . $file_array['name'], ); $attachment_id = media_handle_sideload($file_array, $post_id, null, $post_data); if (is_wp_error($attachment_id)) { @unlink($file_array['tmp_name']); return false; } $attach_data = wp_get_attachment_metadata($attachment_id); $platform_options = zem_rp_get_platform_options(); $min_width = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_size_thumbnail_width'] : ZEM_RP_THUMBNAILS_WIDTH; $min_height = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_size_thumbnail_height'] : ZEM_RP_THUMBNAILS_HEIGHT; if (!$attach_data || $attach_data['width'] < $min_width || $attach_data['height'] < $min_height) { wp_delete_attachment($attachment_id); return false; } return $attachment_id; } function zem_rp_get_image_from_img_tag($post_id, $url, $img_tag) { if (($attachment_id = zem_rp_attachment_url_to_postid($url)) || ($attachment_id = zem_rp_img_html_to_post_id($img_tag))) { if (zem_rp_update_attachment_id($attachment_id)) { return $attachment_id; } } return zem_rp_upload_attachment($url, $post_id); } function zem_rp_actually_extract_images_from_post_html($post) { $content = $post->post_content; if (!preg_match_all('#' . zem_rp_get_tag_regex('img') . '#i', $content, $matches) || empty($matches)) { return false; } $html_tags = $matches[0]; $attachment_id = false; if(count($html_tags) == 0) { return false; } array_splice($html_tags, 10); foreach ($html_tags as $html_tag) { if (preg_match('#src=([\'"])(.+?)\1#is', $html_tag, $matches) && !empty($matches)) { $url = $matches[2]; if (substr($url, 0, 2) == '//') { $url = "http:$url"; } $attachment_id = zem_rp_get_image_from_img_tag($post->ID, $url, $html_tag); if ($attachment_id) { break; } } } return $attachment_id; } function zem_rp_update_attachment_id($attachment_id) { include_once(ABSPATH . 'wp-admin/includes/image.php'); $img_path = get_attached_file($attachment_id); if (!$img_path) { return false; } $attach_data = wp_generate_attachment_metadata($attachment_id, $img_path); wp_update_attachment_metadata($attachment_id, $attach_data); return $attachment_id; } function zem_rp_cron_do_extract_images_from_post($post_id, $attachment_id) { // Prevent multiple thumbnail extractions for a single post if (get_post_meta($post_id, '_zem_rp_image', true) !== '') { return; } $post_id = str_replace("in_", "", "$post_id"); $post_id = (int) $post_id; $attachment_id = (int) $attachment_id; $post = get_post($post_id); if ($attachment_id) { $new_attachment_id = zem_rp_update_attachment_id($attachment_id); } else { $new_attachment_id = zem_rp_actually_extract_images_from_post_html($post); } if ($new_attachment_id) { update_post_meta($post_id, '_zem_rp_image', $new_attachment_id); } else { update_post_meta($post_id, '_zem_rp_image', 'empty'); } } add_action('zem_rp_cron_extract_images_from_post', 'zem_rp_cron_do_extract_images_from_post', 10, 2); function zem_rp_extract_images_from_post($post, $attachment_id=null) { //WP quirk: posts can have an image, but still no attachment //if(empty($post->post_content) && !$attachment_id) { return; } if(empty($post->post_content) ) { return; } $post_id = str_replace("in_", "", "$post->ID"); delete_post_meta($post_id, '_zem_rp_image'); wp_schedule_single_event(time(), 'zem_rp_cron_extract_images_from_post', array($post_id, $attachment_id)); } /** * Update images on post save */ function zem_rp_post_save_update_image($post_id) { $post = get_post($post_id); if(empty($post->post_content) || $post->post_status !== 'publish' || $post->post_type === 'page' || $post->post_type === 'attachment' || $post->post_type === 'nav_menu_item') { return; } delete_post_meta($post->ID, '_zem_rp_image'); zem_rp_get_post_thumbnail_img($post); } add_action('save_post', 'zem_rp_post_save_update_image'); /** * Get thumbnails when post is displayed */ function zem_rp_get_img_tag($src, $alt, $size=null) { if (!$size || !is_array($size)) { $size = array(ZEM_RP_THUMBNAILS_WIDTH, ZEM_RP_THUMBNAILS_HEIGHT); } $size_attr = ($size[0] ? ('width="' . $size[0] . '" ') : ''); if ($size[1]) { $size_attr .= 'height="' . $size[1] . '" '; } return '<img src="'. esc_attr($src) . '" alt="' . esc_attr($alt) . '" '.$size_attr.' />'; } function zem_rp_get_default_thumbnail_url($seed = false, $size = 'thumbnail') { $options = zem_rp_get_options(); $upload_dir = wp_upload_dir(); $seed = (int)$seed; if ($options['default_thumbnail_path']) { return $options['default_thumbnail_path']; } else { if ($seed) { $next_seed = rand(); srand($seed); } $file = rand(0, ZEM_RP_THUMBNAILS_DEFAULTS_COUNT - 1) . '.jpg'; if ($seed) { srand($next_seed); } return get_template_directory_uri() . '/plugins/related-posts-by-zemanta/static/thumbs/1.jpg'; } } function zem_rp_get_image_with_exact_size($image_data, $size) { # Partially copied from wp-include/media.php image_get_intermediate_size and image_downsize if (!$image_data) { return false; } $platform_options = zem_rp_get_platform_options(); $img_url = wp_get_attachment_url($image_data['id']); $img_url_basename = wp_basename($img_url); $pinterest = $size[1] === 0; // Calculate exact dimensions for proportional images if (!$size[0]) { $size[0] = (int) ($image_data['data']['width'] / $image_data['data']['height'] * $size[1]); } if (!$size[1]) { $size[1] = (int) ($image_data['data']['height'] / $image_data['data']['width'] * $size[0]); } if (!$image_data['data']['sizes']) { $w = $image_data['data']['width']; $h = $image_data['data']['height']; $thumb_width = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_thumbnail_width'] : ZEM_RP_THUMBNAILS_WIDTH; $thumb_height = $platform_options['custom_size_thumbnail_enabled'] ? $platform_options['custom_thumbnail_height'] : ZEM_RP_THUMBNAILS_HEIGHT; if ($w == $thumb_width && $h == $thumb_height) { $file = explode("/", $image_data['data']['file']); $file = $file[count($file) - 1]; $img_url = str_replace($img_url_basename, wp_basename($file), $img_url); return array( 'url' => $img_url, 'file' => $file, 'width' => $w, 'height' => $h ); } } foreach ($image_data['data']['sizes'] as $_size => $data) { // width and height can be both string and integers. WordPress.. $width_ok = ($size[0] == $data['width']); // Pinterest fix (don't match exact sizes, we could be wrong if ($pinterest) { $height_ok = ($size[1] < $data['height'] + 5) && ($size[1] > $data['height'] - 5); } else { $height_ok = ($size[1] == $data['height']); } if ($width_ok && $height_ok) { $file = $data['file']; $img_url = str_replace($img_url_basename, wp_basename($file), $img_url); return array( 'url' => $img_url, 'file' => $data['file'], 'width' => $data['width'], 'height' => $data['height'] ); } } return false; } function zem_rp_get_image_data($image_id) { if (!$image_id || is_wp_error($image_id)) { return false; } $imagedata = wp_get_attachment_metadata($image_id); if (!$imagedata || !is_array($imagedata) || !isset($imagedata['sizes']) || !is_array($imagedata['sizes'])) { return false; } return array( 'id' => $image_id, 'data' => $imagedata ); } function zem_rp_get_attached_img_url($related_post, $size) { $post_id = str_replace("in_", "", "$related_post->ID"); $extracted_image = get_post_meta($post_id, '_zem_rp_image', true); if ($extracted_image === 'empty') { return false; } $image_data = zem_rp_get_image_data((int)$extracted_image); if (!$image_data && $extracted_image) { // image_id in the db is incorrect delete_post_meta($post_id, '_zem_rp_image'); } if (!$image_data && has_post_thumbnail($post_id)) { $image_data = zem_rp_get_image_data(get_post_thumbnail_id($post_id)); } if (!$image_data && function_exists('get_post_format_meta') && function_exists('img_html_to_post_id')) { // WP 3.6 Image post format. Check wp-includes/media.php:get_the_post_format_image for the reference. $meta = get_post_format_meta($post_id); if (!empty($meta['image'])) { if (is_numeric($meta['image'])) { $image_id = absint($meta['image']); } else { $image_id = img_html_to_post_id($meta['image']); } $image_data = zem_rp_get_image_data($image_id); } } if (!$image_data) { zem_rp_extract_images_from_post($related_post); return false; } if ($img_src = zem_rp_get_image_with_exact_size($image_data, $size)) { return $img_src['url']; } zem_rp_extract_images_from_post($related_post, $image_data['id']); return false; } function zem_rp_get_thumbnail_size_array($size) { $platform_options = zem_rp_get_platform_options(); if (!$size || $size === 'thumbnail') { if ($platform_options['custom_size_thumbnail_enabled']) { return array($platform_options['custom_thumbnail_width'], $platform_options['custom_thumbnail_height']); } return array(ZEM_RP_THUMBNAILS_WIDTH, ZEM_RP_THUMBNAILS_HEIGHT); } if ($size == 'full') { return array(ZEM_RP_THUMBNAILS_WIDTH, 0); } if (is_array($size)) { return $size; } return false; } function zem_rp_get_post_thumbnail_img($related_post, $size = null, $force = false) { $options = zem_rp_get_options(); $platform_options = zem_rp_get_platform_options(); if (!($platform_options["display_thumbnail"] || $force)) { return false; } $post_id = str_replace("in_", "", "$related_post->ID"); $post_title = wptexturize($related_post->post_title); $size = zem_rp_get_thumbnail_size_array($size); if (!$size) { return false; } if ($options['thumbnail_use_custom']) { $thumbnail_src = get_post_meta($post_id, $options["thumbnail_custom_field"], true); if ($thumbnail_src) { return zem_rp_get_img_tag($thumbnail_src, $post_title, $size); } } $featured_image = get_post_thumbnail_id($post_id); if ($featured_image) { $featured_image_data = zem_rp_get_image_data($featured_image); $featured_image_thumb = zem_rp_get_image_with_exact_size($featured_image_data, $size); if ($featured_image_thumb) { return zem_rp_get_img_tag($featured_image_thumb["url"], $post_title, $size); } else { return get_the_post_thumbnail($post_id, $size); } } $attached_img_url = zem_rp_get_attached_img_url($related_post, $size); if ($attached_img_url) { return zem_rp_get_img_tag($attached_img_url, $post_title, $size); } return zem_rp_get_img_tag(zem_rp_get_default_thumbnail_url($related_post->ID, $size), $post_title, $size); } function zem_rp_process_latest_post_thumbnails() { $latest_posts = get_posts(array('numberposts' => ZEM_RP_THUMBNAILS_NUM_PREGENERATED_POSTS)); foreach ($latest_posts as $post) { zem_rp_get_post_thumbnail_img($post); } } /** * Helpers * Mostly! copied from WordPress 3.6 wp-includes/media.php and functions.php */ function zem_rp_get_tag_regex( $tag ) { if ( empty( $tag ) ) return; return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/?>)', tag_escape( $tag ) ); // Added the last ? } function zem_rp_img_html_to_post_id( $html, &$matched_html = null ) { $attachment_id = 0; // Look for an <img /> tag if ( ! preg_match( '#' . zem_rp_get_tag_regex( 'img' ) . '#i', $html, $matches ) || empty( $matches ) ) return $attachment_id; $matched_html = $matches[0]; // Look for attributes. if ( ! preg_match_all( '#class=([\'"])(.+?)\1#is', $matched_html, $matches ) || empty( $matches ) ) return $attachment_id; $img_class = $matches[2][0]; if ( ! $attachment_id && ! empty( $img_class ) && false !== strpos( $img_class, 'wp-image-' ) ) if ( preg_match( '#wp-image-([0-9]+)#i', $img_class, $matches ) ) $attachment_id = absint( $matches[1] ); return $attachment_id; } function zem_rp_attachment_url_to_postid( $url ) { global $wpdb; if ( preg_match( '#\.[a-zA-Z0-9]+$#', $url ) ) { $id = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type = 'attachment' " . "AND guid = %s", $url ) ); if ( ! empty( $id ) ) return (int) $id; } return 0; }
/home/sudancam/public_html/.././.spamassassin/../.trash/related-posts-by-zemanta/./thumbnailer.php