ID; if ( ! $post_id ) $header_img = get_header_image(); if ( ! $header_img && is_singular() && has_post_thumbnail( $post_id ) ) { $image_id = get_post_thumbnail_id( $post_id ); $image_meta = wp_get_attachment_metadata( $image_id ); if ( $image_meta && $image_meta['width'] >= HEADER_IMAGE_WIDTH && ! $blograzzi_settings['featured_img_header'] ) { $image = wp_get_attachment_image_src( $image_id, 'post-thumbnail' ); $header_img = $image[0]; } } if ( ! $header_img ) $header_img = get_header_image(); return apply_filters( 'blograzzi_header_image', $header_img, $post_id ); } endif; /** * Get the attachment ID from the source URL * * @package Blograzzi * @since 1.9 */ function blograzzi_get_attachment_id_from_src( $image_src ) { global $wpdb; $query = $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE guid='%s'", $image_src ); $id = $wpdb->get_var($query); return $id; } /** * Get the alt text for the header image * * @package Blograzzi * @since 1.9 */ function blograzzi_get_header_image_alt( $image_src ){ $image_id = blograzzi_get_attachment_id_from_src( $image_src ); if ( ! $image_id ) return; $alt = get_post_meta( $image_id, '_wp_attachment_image_alt', true ); return $alt; } /** * Get the HTML tag for image * * @package Blograzzi * @since 2.1 */ function blograzzi_get_image_html( $image_src_or_id, $size = '' ){ global $blograzzi_settings; if ( ! is_numeric( $image_src_or_id ) ) { $image_id = blograzzi_get_attachment_id_from_src( $image_src_or_id ); if ( ! $image_id ) { $html = ''; return $html; } } else $image_id = $image_src_or_id; $image = wp_get_attachment_image( $image_id, $size ); return $image; } /** * This functions adds additional classes to the element. The additional classes * are added by filtering the WordPress body_class() function. */ function blograzzi_body_class( $classes ){ global $blograzzi_settings; if ( $blograzzi_settings['slider_full_width'] ) $classes[] = 'full-width-slider'; if ( $blograzzi_settings['slider_position'] ) $classes[] = 'bottom-slider'; $column_mode = blograzzi_column_mode(); $classes[] = $column_mode; // for easier CSS if ( strpos( $column_mode, 'two_col' ) === 0 ){ $classes[] = 'two-columns'; } else if ( strpos( $column_mode, 'three_col' ) === 0 ){ $classes[] = 'three-columns'; } if ( has_nav_menu( 'secondary-menu' ) ) $classes[] = 'have-secondary-menu'; if ( is_singular() ) $classes[] = 'singular'; // Prints the body class return $classes; } add_filter( 'body_class', 'blograzzi_body_class' ); /** * Add Social Media icons in top bar */ function blograzzi_top_bar_social(){ global $blograzzi_settings; /* Loop through the registered custom social modia */ $social_profiles = $blograzzi_settings['social_profiles']; if ( in_array( false, $social_profiles) ) return; ?> tag. * * @param int|string|object $id_or_email A user ID, email address, or comment object * @param int $size Size of the avatar image * @param string $default URL to a default image to use if no avatar is available * @param string $alt Alternate text to use in image tag. Defaults to blank * @return string URL for the user's avatar * * @package Blograzzi * @since 1.6 */ function blograzzi_get_avatar_uri( $id_or_email, $size = '96', $default = '', $alt = false ) { // Silently fails if < PHP 5 if ( ! function_exists( 'simplexml_load_string' ) ) return; $avatar = get_avatar( $id_or_email, $size, $default, $alt ); if ( ! $avatar ) return false; $avatar_xml = simplexml_load_string( $avatar ); $attr = $avatar_xml->attributes(); $src = $attr['src']; return apply_filters( 'blograzzi_get_avatar_url', $src, $id_or_email, $size, $default, $alt ); } endif; function blograzzi_feed_link($output, $feed) { global $blograzzi_settings; if ( ( $feed == 'rss2' || $feed == 'rss' ) && $blograzzi_settings['use_custom_rss_feed'] && ! empty( $blograzzi_settings['custom_rss_feed_url'] ) ) { $output = $blograzzi_settings['custom_rss_feed_url']; } return $output; } add_filter( 'feed_link', 'blograzzi_feed_link', 1, 2 ); /** * Displays a notice to logged in users if there is no widgets placed in the displayed sidebars */ function blograzzi_sidebar_notice( $sidebar_name = '' ){ $html = '

'; $html .= sprintf( __( 'You haven\'t placed any widget into this widget area. Go to %1$s and place some widgets in the widget area called %2$s.', 'blograzzi' ), '' . __( 'WP Admin > Appearance > Widgets', 'blograzzi' ) . '', '' . $sidebar_name . '' ) . '

'; $html .= '

' . __( "This notice will not be displayed to your site's visitors.", 'blograzzi' ) . '

'; echo ''; } /** * Apply the correct column mode for static posts page as per its page template * * @package Blograzzi * @since 1.9 */ function blograzzi_posts_page_column(){ if ( ! is_home() ) return; $home_page = get_option( 'page_for_posts' ); if ( ! $home_page ) return; $template = get_post_meta( $home_page, '_wp_page_template', true ); if ( ! $template || $template == 'default' ) return; global $blograzzi_settings; switch ( $template ) { case 'template-onecolumn.php': $blograzzi_settings['column_mode'] = 'one_column'; break; case 'template-twocolumnsleft.php': $blograzzi_settings['column_mode'] = 'two_col_left'; break; case 'template-twocolumnsright.php': $blograzzi_settings['column_mode'] = 'two_col_right'; break; case 'template-threecolumnsleft.php': $blograzzi_settings['column_mode'] = 'three_col_left'; break; case 'template-threecolumnscenter.php': $blograzzi_settings['column_mode'] = 'three_col_center'; break; case 'template-threecolumnsright.php': $blograzzi_settings['column_mode'] = 'three_col_right'; break; } } add_action( 'template_redirect', 'blograzzi_posts_page_column' );