*/
/**
* Retrieves the IDs for images in a gallery.
*
* Uses Hybrid Media Grabber to get the gallery shortcode.
*
* @return array List of image IDs from the post gallery.
*/
function canuck_get_gallery_images() {
global $content_width;
$args = array(
'post_id' => get_the_ID(), // post ID (assumes within The Loop by default).
'type' => 'gallery', // audio|video.
'before' => '', // HTML before the output.
'after' => '', // HTML after the output.
'split_media' => true, // Splits the media from the post content...KA note...original false.
'width' => $content_width, // Custom width. Defaults to the theme's content width.
);
$gallery_string = canuck_media_grabber_gallery( $args );
if ( '' !== $gallery_string ) {
$images = array();
$pattern = get_shortcode_regex();
// Note: leave as double quotes, or the preg match will not work.
preg_match( "/$pattern/s", $gallery_string, $match );// XSS OK.
if ( $match ) {
$atts = shortcode_parse_atts( $match[3] );
} else {
$atts = false;
}
if ( false !== $atts && isset( $atts['ids'] ) ) {
$images = explode( ',', $atts['ids'] );
} else {
$images = false;
}
} else {
$images = false;
}
if ( false === $images ) {
$images = get_posts( array(
'fields' => 'ids',
'numberposts' => 20,
'order' => 'ASC',
'orderby' => 'menu_order',
'post_mime_type' => 'image',
'post_parent' => get_the_ID(),
'post_type' => 'attachment',
) );
}
return $images;
}
/** ========================================================================
* Post Meta
* ======================================================================== */
/**
* ---------------------- Edit Button --------------------------------------
* Is user is logged in and can edit posts display an edit button.
*/
function canuck_post_meta_edit() {
$user_exists = ( is_user_logged_in() && current_user_can( 'edit_posts' ) ) ? true : false;
if ( true === $user_exists ) {
edit_post_link( esc_attr__( 'Edit', 'canuck' ), ' ', '' );
}
}
/**
* ---------------------- No Title Button --------------------------------------
* Provide a link to single.php if there is no title.
*/
function canuck_post_meta_no_title() {
$title_exists = ( '' !== get_the_title() ) ? true : false;
if ( '' === get_the_title() ) {
?>
"
';
wp_link_pages( 'before=' . $page_text . ':&after=' );
?>
%2$s',
esc_url( get_permalink( get_the_ID() ) ),
esc_html__( 'Read More', 'canuck' )
);
}
add_filter( 'excerpt_more', 'canuck_excerpt_more' );
/**
* Filter the read more link string link to the post.
*
* @param string $more "Read more" excerpt string.
* @return string (Maybe) modified "read more" excerpt string.
*/
function canuck_modify_read_more_link( $more ) {
return sprintf( '',
esc_url( get_permalink( get_the_ID() ) ),
esc_html__( 'Read More', 'canuck' )
);
}
add_filter( 'the_content_more_link', 'canuck_modify_read_more_link' );
/**
* Filter the except length to 20 words.
*
* @param int $length Excerpt length.
* @return int (Maybe) modified excerpt length.
*/
function canuck_custom_excerpt_length( $length ) {
if ( is_admin() ) {
return $length;
}
$excerpt_length = get_theme_mod( 'canuck_excerpt_length', 30 );
return $excerpt_length;
}
add_filter( 'excerpt_length', 'canuck_custom_excerpt_length', 999 );
/**
* Excerpt Password - WordPress Codex - display password form in protected posts
*
* @param string $excerpt is the excerpt of the post.
*/
function canuck_excerpt_password_form( $excerpt ) {
if ( post_password_required() ) {
$excerpt = get_the_password_form();
}
return $excerpt;
}
add_filter( 'the_excerpt', 'canuck_excerpt_password_form' );
/**
* This function is a helper for post meta in feature-top layouts
*/
function canuck_post_meta_full() {
$post_style = esc_html( get_theme_mod( 'canuck_blog_style', 'top_feature' ) );
if ( is_single() ) {
$layout_option = esc_html( get_theme_mod( 'canuck_single_post_layout', 'right_sidebar' ) );
} else {
$layout_option = esc_html( get_theme_mod( 'canuck_blog_layout', 'right_sidebar' ) );
}
$exclude_timestamp = get_theme_mod( 'canuck_exclude_timestamp', false );
$exclude_author = get_theme_mod( 'canuck_exclude_author', false );
$exclude_category = get_theme_mod( 'canuck_exclude_category', false );
$exclude_tags = get_theme_mod( 'canuck_exclude_tags', false );
if ( is_single() ) {
if ( 'fullwidth' === $layout_option ) {
canuck_comments_link();
}
} else {
if ( 'side_feature' === $post_style && 'both_sidebars' !== $layout_option ) {
canuck_comments_link();
}
}
if ( false === $exclude_timestamp ) {
canuck_post_meta_timestamp();
}
if ( false === $exclude_author ) {
canuck_post_meta_author();
}
if ( false === $exclude_category ) {
canuck_post_meta_category();
}
if ( false === $exclude_tags ) {
canuck_post_meta_tags();
}
if ( is_single() ) {
if ( 'fullwidth' !== $layout_option ) {
canuck_comments_link();
}
} else {
if ( 'side_feature' !== $post_style || 'both_sidebars' === $layout_option ) {
canuck_comments_link();
}
}
if ( is_sticky() ) {
?>
is_main_query() ) {
$query->set( 'cat', $negative_exclude_ids );
}
}
}
add_action( 'pre_get_posts', 'canuck_exclude_category' );