/** * Output HTML for the post thumbnail meta-box. * * @since 2.9.0 * * @param int $thumbnail_id ID of the attachment used for thumbnail * @param mixed $post The post ID or object associated with the thumbnail, defaults to global $post. * @return string html */ function _wp_post_thumbnail_html($thumbnail_id = null, $post = null) { $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $post = get_post($post); $post_type_object = get_post_type_object($post->post_type); $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; $upload_iframe_src = get_upload_iframe_src('image', $post->ID); $content = sprintf($set_thumbnail_link, esc_url($upload_iframe_src), '', esc_html($post_type_object->labels->set_featured_image)); if ($thumbnail_id && get_post($thumbnail_id)) { $size = isset($_wp_additional_image_sizes['post-thumbnail']) ? 'post-thumbnail' : array(266, 266); /** * Filters the size used to display the post thumbnail image in the 'Featured Image' meta box. * * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' * image size is registered, which differs from the 'thumbnail' image size * managed via the Settings > Media screen. See the `$size` parameter description * for more information on default values. * * @since 4.4.0 * * @param string|array $size Post thumbnail image size to display in the meta box. Accepts any valid * image size, or an array of width and height values in pixels (in that order). * If the 'post-thumbnail' size is set, default is 'post-thumbnail'. Otherwise, * default is an array with 266 as both the height and width values. * @param int $thumbnail_id Post thumbnail attachment ID. * @param WP_Post $post The post object associated with the thumbnail. */ $size = apply_filters('admin_post_thumbnail_size', $size, $thumbnail_id, $post); $thumbnail_html = wp_get_attachment_image($thumbnail_id, $size); if (!empty($thumbnail_html)) { $content = sprintf($set_thumbnail_link, esc_url($upload_iframe_src), ' aria-describedby="set-post-thumbnail-desc"', $thumbnail_html); $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __('Click the image to edit or update') . '</p>'; $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html($post_type_object->labels->remove_featured_image) . '</a></p>'; } } $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr($thumbnail_id ? $thumbnail_id : '-1') . '" />'; /** * Filters the admin post thumbnail HTML markup to return. * * @since 2.9.0 * @since 3.5.0 Added the `$post_id` parameter. * @since 4.6.0 Added the `$thumbnail_id` parameter. * * @param string $content Admin post thumbnail HTML markup. * @param int $post_id Post ID. * @param int $thumbnail_id Thumbnail ID. */ return apply_filters('admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id); }
/** * Gets the available intermediate image sizes. * * @since 3.0.0 * * @return array Returns a filtered array of image size strings. */ function get_intermediate_image_sizes() { $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $image_sizes = array('thumbnail', 'medium', 'medium_large', 'large'); // Standard sizes if (!empty($_wp_additional_image_sizes)) { $image_sizes = array_merge($image_sizes, array_keys($_wp_additional_image_sizes)); } /** * Filters the list of intermediate image sizes. * * @since 2.5.0 * * @param array $image_sizes An array of intermediate image sizes. Defaults * are 'thumbnail', 'medium', 'medium_large', 'large'. */ return apply_filters('intermediate_image_sizes', $image_sizes); }
/** * @ticket 33641 */ function test_wp_get_attachment_image_srcset() { $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $image_meta = wp_get_attachment_metadata(self::$large_id); $size_array = array(1600, 1200); // full size $srcset = wp_get_attachment_image_srcset(self::$large_id, $size_array, $image_meta); $year_month = date('Y/m'); $uploads_dir = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/'; // Set up test cases for all expected size names. $intermediates = array('medium', 'medium_large', 'large', 'full'); foreach ($_wp_additional_image_sizes as $name => $additional_size) { if (!$_wp_additional_image_sizes[$name]['crop'] || 0 === $_wp_additional_image_sizes[$name]['height']) { $intermediates[] = $name; } } $expected = ""; foreach ($image_meta['sizes'] as $name => $size) { // Whitelist the sizes that should be included so we pick up 'medium_large' in 4.4. if (in_array($name, $intermediates)) { $expected .= $uploads_dir . $year_month . '/' . $size['file'] . ' ' . $size['width'] . 'w, '; } } $expected .= $uploads_dir . $image_meta['file'] . ' ' . $image_meta['width'] . 'w'; $expected_srcset = $this->_src_first($expected, $uploads_dir . $image_meta['file'], $size_array[0]); $this->assertSame($expected_srcset, $srcset); }
/** * Generate post thumbnail attachment meta data. * * @since 2.1.0 * * @param int $attachment_id Attachment Id to process. * @param string $file Filepath of the Attached image. * @return mixed Metadata for attachment. */ function wp_generate_attachment_metadata($attachment_id, $file) { $attachment = get_post($attachment_id); $metadata = array(); $support = false; if (preg_match('!^image/!', get_post_mime_type($attachment)) && file_is_displayable_image($file)) { $imagesize = getimagesize($file); $metadata['width'] = $imagesize[0]; $metadata['height'] = $imagesize[1]; // Make the file path relative to the upload dir. $metadata['file'] = _wp_relative_upload_path($file); // Make thumbnails and other intermediate sizes. $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $sizes = array(); foreach (get_intermediate_image_sizes() as $s) { $sizes[$s] = array('width' => '', 'height' => '', 'crop' => false); if (isset($_wp_additional_image_sizes[$s]['width'])) { // For theme-added sizes $sizes[$s]['width'] = intval($_wp_additional_image_sizes[$s]['width']); } else { // For default sizes set in options $sizes[$s]['width'] = get_option("{$s}_size_w"); } if (isset($_wp_additional_image_sizes[$s]['height'])) { // For theme-added sizes $sizes[$s]['height'] = intval($_wp_additional_image_sizes[$s]['height']); } else { // For default sizes set in options $sizes[$s]['height'] = get_option("{$s}_size_h"); } if (isset($_wp_additional_image_sizes[$s]['crop'])) { // For theme-added sizes $sizes[$s]['crop'] = $_wp_additional_image_sizes[$s]['crop']; } else { // For default sizes set in options $sizes[$s]['crop'] = get_option("{$s}_crop"); } } /** * Filters the image sizes automatically generated when uploading an image. * * @since 2.9.0 * @since 4.4.0 Added the `$metadata` argument. * * @param array $sizes An associative array of image sizes. * @param array $metadata An associative array of image metadata: width, height, file. */ $sizes = apply_filters('intermediate_image_sizes_advanced', $sizes, $metadata); if ($sizes) { $editor = wp_get_image_editor($file); if (!is_wp_error($editor)) { $metadata['sizes'] = $editor->multi_resize($sizes); } } else { $metadata['sizes'] = array(); } // Fetch additional metadata from EXIF/IPTC. $image_meta = wp_read_image_metadata($file); if ($image_meta) { $metadata['image_meta'] = $image_meta; } } elseif (wp_attachment_is('video', $attachment)) { $metadata = wp_read_video_metadata($file); $support = current_theme_supports('post-thumbnails', 'attachment:video') || post_type_supports('attachment:video', 'thumbnail'); } elseif (wp_attachment_is('audio', $attachment)) { $metadata = wp_read_audio_metadata($file); $support = current_theme_supports('post-thumbnails', 'attachment:audio') || post_type_supports('attachment:audio', 'thumbnail'); } if ($support && !empty($metadata['image']['data'])) { // Check for existing cover. $hash = md5($metadata['image']['data']); $posts = get_posts(array('fields' => 'ids', 'post_type' => 'attachment', 'post_mime_type' => $metadata['image']['mime'], 'post_status' => 'inherit', 'posts_per_page' => 1, 'meta_key' => '_cover_hash', 'meta_value' => $hash)); $exists = reset($posts); if (!empty($exists)) { update_post_meta($attachment_id, '_thumbnail_id', $exists); } else { $ext = '.jpg'; switch ($metadata['image']['mime']) { case 'image/gif': $ext = '.gif'; break; case 'image/png': $ext = '.png'; break; } $basename = str_replace('.', '-', basename($file)) . '-image' . $ext; $uploaded = wp_upload_bits($basename, '', $metadata['image']['data']); if (false === $uploaded['error']) { $image_attachment = array('post_mime_type' => $metadata['image']['mime'], 'post_type' => 'attachment', 'post_content' => ''); /** * Filters the parameters for the attachment thumbnail creation. * * @since 3.9.0 * * @param array $image_attachment An array of parameters to create the thumbnail. * @param array $metadata Current attachment metadata. * @param array $uploaded An array containing the thumbnail path and url. */ $image_attachment = apply_filters('attachment_thumbnail_args', $image_attachment, $metadata, $uploaded); $sub_attachment_id = wp_insert_attachment($image_attachment, $uploaded['file']); add_post_meta($sub_attachment_id, '_cover_hash', $hash); $attach_data = wp_generate_attachment_metadata($sub_attachment_id, $uploaded['file']); wp_update_attachment_metadata($sub_attachment_id, $attach_data); update_post_meta($attachment_id, '_thumbnail_id', $sub_attachment_id); } } } // Remove the blob of binary data from the array. if ($metadata) { unset($metadata['image']['data']); } /** * Filters the generated attachment meta data. * * @since 2.1.0 * * @param array $metadata An array of attachment meta data. * @param int $attachment_id Current attachment ID. */ return apply_filters('wp_generate_attachment_metadata', $metadata, $attachment_id); }
/** * Saves image to post along with enqueued changes * in $_REQUEST['history'] * * @param int $post_id * @return \stdClass */ function wp_save_image($post_id) { $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $return = new stdClass(); $success = $delete = $scaled = $nocrop = false; $post = get_post($post_id); $img = wp_get_image_editor(_load_image_to_edit_path($post_id, 'full')); if (is_wp_error($img)) { $return->error = esc_js(__('Unable to create new image.')); return $return; } $fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0; $fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0; $target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : ''; $scale = !empty($_REQUEST['do']) && 'scale' == $_REQUEST['do']; if ($scale && $fwidth > 0 && $fheight > 0) { $size = $img->get_size(); $sX = $size['width']; $sY = $size['height']; // Check if it has roughly the same w / h ratio. $diff = round($sX / $sY, 2) - round($fwidth / $fheight, 2); if (-0.1 < $diff && $diff < 0.1) { // Scale the full size image. if ($img->resize($fwidth, $fheight)) { $scaled = true; } } if (!$scaled) { $return->error = esc_js(__('Error while saving the scaled image. Please reload the page and try again.')); return $return; } } elseif (!empty($_REQUEST['history'])) { $changes = json_decode(wp_unslash($_REQUEST['history'])); if ($changes) { $img = image_edit_apply_changes($img, $changes); } } else { $return->error = esc_js(__('Nothing to save, the image has not changed.')); return $return; } $meta = wp_get_attachment_metadata($post_id); $backup_sizes = get_post_meta($post->ID, '_wp_attachment_backup_sizes', true); if (!is_array($meta)) { $return->error = esc_js(__('Image data does not exist. Please re-upload the image.')); return $return; } if (!is_array($backup_sizes)) { $backup_sizes = array(); } // Generate new filename. $path = get_attached_file($post_id); $basename = pathinfo($path, PATHINFO_BASENAME); $dirname = pathinfo($path, PATHINFO_DIRNAME); $ext = pathinfo($path, PATHINFO_EXTENSION); $filename = pathinfo($path, PATHINFO_FILENAME); $suffix = time() . rand(100, 999); if (defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE && isset($backup_sizes['full-orig']) && $backup_sizes['full-orig']['file'] != $basename) { if ('thumbnail' == $target) { $new_path = "{$dirname}/{$filename}-temp.{$ext}"; } else { $new_path = $path; } } else { while (true) { $filename = preg_replace('/-e([0-9]+)$/', '', $filename); $filename .= "-e{$suffix}"; $new_filename = "{$filename}.{$ext}"; $new_path = "{$dirname}/{$new_filename}"; if (file_exists($new_path)) { $suffix++; } else { break; } } } // Save the full-size file, also needed to create sub-sizes. if (!wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id)) { $return->error = esc_js(__('Unable to save the image.')); return $return; } if ('nothumb' === $target || 'all' === $target || 'full' === $target || $scaled) { $tag = false; if (isset($backup_sizes['full-orig'])) { if ((!defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE) && $backup_sizes['full-orig']['file'] !== $basename) { $tag = "full-{$suffix}"; } } else { $tag = 'full-orig'; } if ($tag) { $backup_sizes[$tag] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $basename); } $success = $path === $new_path || update_attached_file($post_id, $new_path); $meta['file'] = _wp_relative_upload_path($new_path); $size = $img->get_size(); $meta['width'] = $size['width']; $meta['height'] = $size['height']; if ($success && ('nothumb' == $target || 'all' == $target)) { $sizes = get_intermediate_image_sizes(); if ('nothumb' == $target) { $sizes = array_diff($sizes, array('thumbnail')); } } $return->fw = $meta['width']; $return->fh = $meta['height']; } elseif ('thumbnail' == $target) { $sizes = array('thumbnail'); $success = $delete = $nocrop = true; } /* * We need to remove any existing resized image files because * a new crop or rotate could generate different sizes (and hence, filenames), * keeping the new resized images from overwriting the existing image files. * https://core.trac.wordpress.org/ticket/32171 */ if (defined('IMAGE_EDIT_OVERWRITE') && IMAGE_EDIT_OVERWRITE && !empty($meta['sizes'])) { foreach ($meta['sizes'] as $size) { if (!empty($size['file']) && preg_match('/-e[0-9]{13}-/', $size['file'])) { $delete_file = path_join($dirname, $size['file']); wp_delete_file($delete_file); } } } if (isset($sizes)) { $_sizes = array(); foreach ($sizes as $size) { $tag = false; if (isset($meta['sizes'][$size])) { if (isset($backup_sizes["{$size}-orig"])) { if ((!defined('IMAGE_EDIT_OVERWRITE') || !IMAGE_EDIT_OVERWRITE) && $backup_sizes["{$size}-orig"]['file'] != $meta['sizes'][$size]['file']) { $tag = "{$size}-{$suffix}"; } } else { $tag = "{$size}-orig"; } if ($tag) { $backup_sizes[$tag] = $meta['sizes'][$size]; } } if (isset($_wp_additional_image_sizes[$size])) { $width = intval($_wp_additional_image_sizes[$size]['width']); $height = intval($_wp_additional_image_sizes[$size]['height']); $crop = $nocrop ? false : $_wp_additional_image_sizes[$size]['crop']; } else { $height = get_option("{$size}_size_h"); $width = get_option("{$size}_size_w"); $crop = $nocrop ? false : get_option("{$size}_crop"); } $_sizes[$size] = array('width' => $width, 'height' => $height, 'crop' => $crop); } $meta['sizes'] = array_merge($meta['sizes'], $img->multi_resize($_sizes)); } unset($img); if ($success) { wp_update_attachment_metadata($post_id, $meta); update_post_meta($post_id, '_wp_attachment_backup_sizes', $backup_sizes); if ($target == 'thumbnail' || $target == 'all' || $target == 'full') { // Check if it's an image edit from attachment edit screen if (!empty($_REQUEST['context']) && 'edit-attachment' == $_REQUEST['context']) { $thumb_url = wp_get_attachment_image_src($post_id, array(900, 600), true); $return->thumbnail = $thumb_url[0]; } else { $file_url = wp_get_attachment_url($post_id); if (!empty($meta['sizes']['thumbnail']) && ($thumb = $meta['sizes']['thumbnail'])) { $return->thumbnail = path_join(dirname($file_url), $thumb['file']); } else { $return->thumbnail = "{$file_url}?w=128&h=128"; } } } } else { $delete = true; } if ($delete) { wp_delete_file($new_path); } $return->msg = esc_js(__('Image saved')); return $return; }