# plus-webp/1.07/lib/class-pluswebp.php Plus WebP or AVIF, version 1.07. 289 lines. - Page: https://pluginprobe.com/plugins/plus-webp/1.07/code/lib/class-pluswebp.php - Raw: https://pluginprobe.com/plugins/plus-webp/1.07/raw/lib/class-pluswebp.php - Modified: 2020-02-19T23:17:58+00:00 Line numbers below start at 1. Link to a line or a range by appending a fragment to the page URL, for example `https://pluginprobe.com/plugins/plus-webp/1.07/code/lib/class-pluswebp.php#L10-L20`. ```php upload_dir, $this->upload_url, $this->upload_path ) = $this->upload_dir_url_path(); add_filter( 'wp_generate_attachment_metadata', array( $this, 'generate_webp' ), 10, 2 ); } /** ================================================== * Webp generate * * @param array $metadata metadata. * @param int $attachment_id ID. * @return array $metadata metadata. * @since 1.00 */ public function generate_webp( $metadata, $attachment_id ) { $pluswebp_settings = get_option( 'pluswebp' ); $replace = $pluswebp_settings['replace']; $mime_type = get_post_mime_type( $attachment_id ); if ( 'image/jpeg' === $mime_type || 'image/png' === $mime_type || 'image/bmp' === $mime_type || 'image/gif' === $mime_type ) { $metadata_webp = $metadata; $file_webp = $this->change_ext( $metadata['file'], 'webp' ); $metadata_webp['file'] = $file_webp; foreach ( (array) $metadata['sizes'] as $key => $value ) { $file_thumb = $value['file']; $file_thumb_webp = $this->change_ext( $file_thumb, 'webp' ); $path = $this->upload_dir . '/' . dirname( $file_webp ) . '/'; $url = $this->upload_url . '/' . dirname( $file_webp ) . '/'; $ret = $this->create_webp( $path . $file_thumb, $mime_type, $path . $file_thumb_webp ); if ( $ret ) { $metadata_webp['sizes'][ $key ]['file'] = $file_thumb_webp; $metadata_webp['sizes'][ $key ]['mime-type'] = 'image/webp'; if ( $replace ) { unlink( $path . $file_thumb ); $this->change_db( $url . $file_thumb, $url . $file_thumb_webp ); } } } $ret = $this->create_webp( $this->upload_dir . '/' . $metadata['file'], $mime_type, $this->upload_dir . '/' . $file_webp ); if ( $ret ) { if ( $replace ) { $up_post = array( 'ID' => $attachment_id, 'guid' => $this->upload_url . '/' . $file_webp, 'post_mime_type' => 'image/webp', ); wp_update_post( $up_post ); update_post_meta( $attachment_id, '_wp_attached_file', $file_webp ); /* for bulk generate */ update_post_meta( $attachment_id, '_wp_attachment_metadata', $metadata_webp ); /* delete org file */ unlink( $this->upload_dir . '/' . $metadata['file'] ); /* Replace */ $this->change_db( $this->upload_url . '/' . $metadata['file'], $this->upload_url . '/' . $file_webp ); /* for hook */ $metadata = $metadata_webp; } else { $post = get_post( $attachment_id ); $title = get_the_title( $post ); $attachment = array( 'guid' => $this->upload_url . '/' . $file_webp, 'post_mime_type' => 'image/webp', 'post_title' => $title, 'post_content' => '', 'post_status' => 'inherit', ); $attach_id = wp_insert_attachment( $attachment, $this->upload_dir . '/' . $file_webp ); wp_update_attachment_metadata( $attach_id, $metadata_webp ); $author = get_userdata( $post->post_author ); $userid = $author->ID; $postdate = get_the_date( 'Y-m-d H:i:s', $attachment_id ); $postdategmt = get_gmt_from_date( $postdate ); $up_post = array( 'ID' => $attach_id, 'post_author' => $userid, 'post_date' => $postdate, 'post_date_gmt' => $postdategmt, 'post_modified' => $postdate, 'post_modified_gmt' => $postdategmt, ); wp_update_post( $up_post ); } } } return $metadata; } /** ================================================== * Webp create * * @param string $filename input filename for pictures. * @param string $mime_type mimetype. * @param string $filename_webp output filename for webp. * @return bool $ret create bool. * @since 1.00 */ private function create_webp( $filename, $mime_type, $filename_webp ) { if ( ! file_exists( $filename ) ) { return false; } if ( file_exists( $filename_webp ) ) { return false; } $pluswebp_settings = get_option( 'pluswebp' ); @set_time_limit( 60 ); $ret = false; switch ( $mime_type ) { case 'image/jpeg': $src = imagecreatefromjpeg( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); imagefill( $img, 0, 0, imagecolorallocate( $img, 255, 255, 255 ) ); imagealphablending( $img, true ); break; case 'image/png': $src = imagecreatefrompng( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); imagealphablending( $img, false ); imagesavealpha( $img, true ); break; case 'image/bmp': $src = imagecreatefrombmp( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); break; case 'image/gif': $src = imagecreatefromgif( $filename ); $img = imagecreatetruecolor( imagesx( $src ), imagesy( $src ) ); $bgcolor = imagecolorallocatealpha( $img, 0, 0, 0, 127 ); imagefill( $img, 0, 0, $bgcolor ); imagecolortransparent( $img, $bgcolor ); break; } imagecopy( $img, $src, 0, 0, 0, 0, imagesx( $src ), imagesy( $src ) ); imagedestroy( $src ); $ret = imagewebp( $img, $filename_webp, $pluswebp_settings['quality'] ); imagedestroy( $img ); return $ret; } /** ================================================== * Change ext * * @param string $before_file_name before_file_name. * @param string $ext ext. * @return array $after_file_name after_file_name. * @since 1.00 */ private function change_ext( $before_file_name, $ext ) { $exts = explode( '.', $before_file_name ); $before_ext = '.' . end( $exts ); $after_ext = '.' . $ext; $after_file_name = str_replace( $before_ext, $after_ext, $before_file_name ); return $after_file_name; } /** ================================================== * Change DB * * @param string $before_url before_url. * @param string $after_url after_url. * @since 1.00 */ private function change_db( $before_url, $after_url ) { global $wpdb; /* Replace */ $wpdb->query( $wpdb->prepare( "UPDATE `$wpdb->posts` SET post_content = replace(post_content, %s, %s)", $before_url, $after_url ) ); } /** ================================================== * Upload Path * * @return array $upload_dir,$upload_url,$upload_path uploadpath. * @since 1.00 */ public function upload_dir_url_path() { $wp_uploads = wp_upload_dir(); $relation_path_true = strpos( $wp_uploads['baseurl'], '../' ); if ( $relation_path_true > 0 ) { $relationalpath = substr( $wp_uploads['baseurl'], $relation_path_true ); $basepath = substr( $wp_uploads['baseurl'], 0, $relation_path_true ); $upload_url = $this->realurl( $basepath, $relationalpath ); $upload_dir = wp_normalize_path( realpath( $wp_uploads['basedir'] ) ); } else { $upload_url = $wp_uploads['baseurl']; $upload_dir = wp_normalize_path( $wp_uploads['basedir'] ); } if ( is_ssl() ) { $upload_url = str_replace( 'http:', 'https:', $upload_url ); } if ( $relation_path_true > 0 ) { $upload_path = $relationalpath; } else { $upload_path = str_replace( site_url( '/' ), '', $upload_url ); } $upload_dir = untrailingslashit( $upload_dir ); $upload_url = untrailingslashit( $upload_url ); $upload_path = untrailingslashit( $upload_path ); return array( $upload_dir, $upload_url, $upload_path ); } } ```