tag based on what is being viewed.
*
* @param string $title Default title text for current view.
* @param string $sep Optional separator.
* @return string The filtered title.
*/
function longevity_wp_title( $title, $sep ) {
if ( is_feed() ) {
return $title;
}
global $page, $paged;
// Add the blog name
$title .= get_bloginfo( 'name', 'display' );
// Add the blog description for the home/front page.
$site_description = get_bloginfo( 'description', 'display' );
if ( $site_description && ( is_home() || is_front_page() ) ) {
$title .= " $sep $site_description";
}
// Add a page number if necessary:
if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() ) {
$title .= " $sep " . sprintf( esc_html__( 'Page %s', 'longevity' ), max( $paged, $page ) );
}
return $title;
}
add_filter( 'wp_title', 'longevity_wp_title', 10, 2 );
/**
* Title shim for sites older than WordPress 4.1.
*
* @link https://make.wordpress.org/core/2014/10/29/title-tags-in-4-1/
* @todo Remove this function when WordPress 4.3 is released.
*/
function longevity_render_title() {
?>
<?php wp_title( '|', true, 'right' ); ?>
'.$link.'';
return $link;
}
add_filter('the_content_more_link', 'longevity_move_more_link');
endif;
/**
* Gives the flexibility to change the excerpt length from the Theme Customizer to the users choice.
* Thanks to http://bavotasan.com/2009/limiting-the-number-of-words-in-your-excerpt-or-content-in-wordpress/
*/
function longevity_excerpt($limit) {
$excerpt = explode(' ', get_the_excerpt(), $limit);
if (count($excerpt)>=$limit) {
array_pop($excerpt);
$excerpt = implode(" ",$excerpt).'...';
} else {
$excerpt = implode(" ",$excerpt);
}
$excerpt = preg_replace('`\[[^\]]*\]`','',$excerpt);
return $excerpt;
}
/**
* Prevent page scroll after clicking read more to load the full post.
*/
if ( ! function_exists( 'longevity_remove_more_link_scroll' ) ) :
function longevity_remove_more_link_scroll( $link ) {
$link = preg_replace( '|#more-[0-9]+|', '', $link );
return $link;
}
add_filter( 'the_content_more_link', 'longevity_remove_more_link_scroll' );
endif;
/**
* Special thanks to Justin Tadlock for this.
*
* http://justintadlock.com/archives/2012/08/27/post-formats-quote
*/
function longevity_my_quote_content( $content ) {
/* Check if we're displaying a 'quote' post. */
if ( has_post_format( 'quote' ) ) {
/* Match any elements. */
preg_match( '//', $content, $matches );
/* If no elements were found, wrap the entire content in one. */
if ( empty( $matches ) )
$content = "{$content}
";
}
return $content;
}
add_filter( 'the_content', 'longevity_my_quote_content' );
/**
* Print the attached image with a link to the next attached image.
* Maximum width is 1140 pixels for this theme.
*/
if ( ! function_exists( 'longevity_the_attached_image' ) ) :
function longevity_the_attached_image() {
$post = get_post();
$attachment_size = apply_filters( 'longevity_attachment_size', array( 1140, 1140 ) );
$next_attachment_url = wp_get_attachment_url();
/*
* Grab the IDs of all the image attachments in a gallery so we can get the URL
* of the next adjacent image in a gallery, or the first image (if we're
* looking at the last image in a gallery), or, in a gallery of one, just the
* link to that image file.
*/
$attachment_ids = get_posts( array(
'post_parent' => $post->post_parent,
'fields' => 'ids',
'numberposts' => -1,
'post_status' => 'inherit',
'post_type' => 'attachment',
'post_mime_type' => 'image',
'order' => 'ASC',
'orderby' => 'menu_order ID',
) );
// If there is more than 1 attachment in a gallery...
if ( count( $attachment_ids ) > 1 ) {
foreach ( $attachment_ids as $attachment_id ) {
if ( $attachment_id == $post->ID ) {
$next_id = current( $attachment_ids );
break;
}
}
// get the URL of the next image attachment...
if ( $next_id ) {
$next_attachment_url = get_attachment_link( $next_id );
}
// or get the URL of the first image attachment.
else {
$next_attachment_url = get_attachment_link( array_shift( $attachment_ids ) );
}
}
printf( '%2$s',
esc_url( $next_attachment_url ),
wp_get_attachment_image( $post->ID, $attachment_size )
);
}
endif;
/**
* Lets modify our archive labels depending on which page is being displayed.
*
* @since longevity 1.0.0
*/
if( !function_exists( 'longevity_get_archive_title' ) ) :
function longevity_get_archive_title(){
$title = '';
global $wp_query;
if ( is_category() ) {
$title = sprintf( esc_html__('%s', 'longevity' ), '' . single_cat_title( '', false ) . '' );
}
elseif ( is_tag() ) {
$title = sprintf( esc_html__('Articles with the Tag %s', 'longevity' ), '' . single_tag_title( '', false ) . '' );
}
elseif ( is_author() ) {
the_post();
$title = sprintf( esc_html__('Articles written by %s', 'longevity' ), '' . get_the_author() . '' );
rewind_posts();
}
elseif ( is_day() ) {
$title = sprintf( esc_html__('Articles for %s', 'longevity' ), '' . get_the_date() . '' );
}
elseif ( is_month() ) {
$title = sprintf( esc_html__('Articles for %s', 'longevity' ), '' . get_the_date( 'F Y' ) . '' );
}
elseif ( is_year() ) {
$title = sprintf( esc_html__('Archives for %s', 'longevity' ), '' . get_the_date( 'Y' ) . '' );
}
elseif ( !empty($wp_query->query_vars['taxonomy']) ) {
$value = get_query_var($wp_query->query_vars['taxonomy']);
$term = get_term_by('slug',$value,$wp_query->query_vars['taxonomy']);
$tax = get_taxonomy( $wp_query->query_vars['taxonomy'] );
$title = sprintf( esc_html__('%s: %s', 'longevity' ), $tax->label, $term->name );
}
else {
$title = esc_html__( 'Archives', 'longevity' );
}
return apply_filters('longevity_archive_title', $title);
}
endif;
/**
* Returns true if a blog has more than 1 category.
*
* @return bool
*/
function longevity_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'longevity_categories' ) ) ) {
// Create an array of all the categories that are attached to posts.
$all_the_cool_cats = get_categories( array(
'fields' => 'ids',
'hide_empty' => 1,
// We only need to know if there is more than one category.
'number' => 2,
) );
// Count the number of categories that are attached to the posts.
$all_the_cool_cats = count( $all_the_cool_cats );
set_transient( 'longevity_categories', $all_the_cool_cats );
}
if ( $all_the_cool_cats > 1 ) {
// This blog has more than 1 category so longevity_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so longevity_categorized_blog should return false.
return false;
}
}
/**
* Flush out the transients used in longevity_categorized_blog.
*/
function longevity_category_transient_flusher() {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
// Like, beat it. Dig?
delete_transient( 'longevity_categories' );
}
add_action( 'edit_category', 'longevity_category_transient_flusher' );
add_action( 'save_post', 'longevity_category_transient_flusher' );