'>',
) );
/* === OPTIONS === */
$text['home'] = get_bloginfo( 'name' ); // text for the 'Home' link
$text['category'] = esc_html__( 'Archive for %s', 'academic' ); // text for a category page
$text['tax'] = esc_html__( 'Archive for %s', 'academic' ); // text for a taxonomy page
$text['search'] = esc_html__( 'Search results for: %s', 'academic' ); // text for a search results page
$text['tag'] = esc_html__( 'Posts tagged %s', 'academic' ); // text for a tag page
$text['author'] = esc_html__( 'View all posts by %s', 'academic' ); // text for an author page
$text['404'] = esc_html__( 'Error 404', 'academic' ); // text for the 404 page
$showCurrent = 1; // 1 - show current post/page title in breadcrumbs, 0 - don't show
$showOnHome = 0; // 1 - show breadcrumbs on the homepage, 0 - don't show
$delimiter = ' ' . $args['separator'] . ' '; // delimiter between crumbs
$before = ''; // tag before the current crumb
$after = ''; // tag after the current crumb
/* === END OF OPTIONS === */
global $post;
$homeLink = esc_url( home_url( '/' ) );
$linkBefore = '';
$linkAfter = '';
$linkAttr = ' rel="v:url" property="v:title"';
$link = $linkBefore . '%2$s' . $linkAfter;
if ( is_home() || is_front_page() ) {
if ( $showOnHome == 1 ) { echo '
' . sprintf( $link, $homeLink, $text['home'] ) . $delimiter;
if ( is_category() ) {
$thisCat = get_category( get_query_var( 'cat' ), false );
if ( $thisCat->parent != 0 ) {
$cats = get_category_parents( $thisCat->parent, true, $delimiter );
$cats = str_replace( '
', '' . $linkAfter, $cats );
echo $cats;
}
echo $before . sprintf( $text['category'], single_cat_title( '', false ) ) . $after;
} elseif ( is_tax() ) {
$thisCat = get_category( get_query_var( 'cat' ), false );
if ( $thisCat->parent != 0 ) {
$cats = get_category_parents( $thisCat->parent, true, $delimiter );
$cats = str_replace( '
', '' . $linkAfter, $cats );
echo $cats;
}
echo $before . sprintf( $text['tax'], single_cat_title( '', false ) ) . $after;
} elseif ( is_search() ) {
echo $before . sprintf( $text['search'], get_search_query() ) . $after;
} elseif ( is_day() ) {
echo sprintf( $link, get_year_link( get_the_time( 'Y' ) ), get_the_time( 'Y' ) ) . $delimiter;
echo sprintf( $link, get_month_link( get_the_time( 'Y' ),get_the_time( 'm' ) ), get_the_time( 'F' ) ) . $delimiter;
echo $before . get_the_time( 'd' ) . $after;
} elseif ( is_month() ) {
echo sprintf( $link, get_year_link( get_the_time( 'Y' ) ), get_the_time( 'Y' ) ) . $delimiter;
echo $before . get_the_time( 'F' ) . $after;
} elseif ( is_year() ) {
echo $before . get_the_time( 'Y' ) . $after;
} elseif ( is_single() && ! is_attachment() ) {
if ( get_post_type() != 'post' ) {
$post_type = get_post_type_object( get_post_type() );
$slug = $post_type->rewrite;
printf( $link, $homeLink . '/' . $slug['slug'] . '/', $post_type->labels->singular_name );
if ( $showCurrent == 1 ) { echo $delimiter . $before . get_the_title() . $after; }
} else {
$cat = get_the_category();
$cat = $cat[0];
$cats = get_category_parents( $cat, true, $delimiter );
if ( $showCurrent == 0 ) { $cats = preg_replace( "#^(.+)$delimiter$#", '$1', $cats ); }
$cats = str_replace( '
', '' . $linkAfter, $cats );
echo $cats;
if ( $showCurrent == 1 ) { echo $before . get_the_title() . $after; }
}
} elseif ( ! is_single() && ! is_page() && get_post_type() != 'post' && ! is_404() ) {
$post_type = get_post_type_object( get_post_type() );
echo $before . $post_type->labels->singular_name . $after;
} elseif ( is_attachment() ) {
$parent = get_post( $post->post_parent );
$cat = get_the_category( $parent->ID );
$cat = $cat[0];
$cats = get_category_parents( $cat, true, $delimiter );
$cats = str_replace( '
', '' . $linkAfter, $cats );
echo $cats;
printf( $link, get_permalink( $parent ), $parent->post_title );
if ( $showCurrent == 1 ) { echo $delimiter . $before . get_the_title() . $after; }
} elseif ( is_page() && ! $post->post_parent ) {
if ( $showCurrent == 1 ) { echo $before . get_the_title() . $after; }
} elseif ( is_page() && $post->post_parent ) {
$parent_id = $post->post_parent;
$breadcrumbs = array();
while ( $parent_id ) {
$page = get_page( $parent_id );
$breadcrumbs[] = sprintf( $link, get_permalink( $page->ID ), get_the_title( $page->ID ) );
$parent_id = $page->post_parent;
}
$breadcrumbs = array_reverse( $breadcrumbs );
for ( $i = 0; $i < count( $breadcrumbs ); $i++ ) {
echo $breadcrumbs[ $i ];
if ( $i != count( $breadcrumbs ) -1 ) { echo $delimiter; }
}
if ( $showCurrent == 1 ) { echo $delimiter . $before . get_the_title() . $after; }
} elseif ( is_tag() ) {
echo $before . sprintf( $text['tag'], single_tag_title( '', false ) ) . $after;
} elseif ( is_author() ) {
global $author;
$userdata = get_userdata( $author );
echo $before . sprintf( $text['author'], $userdata->display_name ) . $after;
} elseif ( is_404() ) {
echo $before . $text['404'] . $after;
}
if ( get_query_var( 'paged' ) ) {
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) { echo ' ('; }
echo esc_html__( 'Page', 'academic' ) . ' ' . get_query_var( 'paged' );
if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) { echo ')'; }
}
echo '
';
}
}
endif;
add_action( 'academic_action_pagination', 'academic_pagination', 10 );
if ( ! function_exists( 'academic_pagination' ) ) :
/**
* pagination.
*
* @since Academic 0.3
*/
function academic_pagination() {
$options = academic_get_theme_options();
if ( true == $options['pagination_enable'] ) {
$pagination = $options['pagination_type'];
if ( $pagination == 'default' ) :
the_posts_navigation();
elseif ( $pagination == 'numeric' ) :
the_posts_pagination( array(
'mid_size' => 4,
'prev_text' => esc_html__( 'Previous Posts', 'academic' ),
'next_text' => esc_html__( 'Next Posts', 'academic' ),
) );
endif;
}
}
endif;
add_action( 'academic_action_post_pagination', 'academic_post_pagination', 10 );
if ( ! function_exists( 'academic_post_pagination' ) ) :
/**
* post pagination.
*
* @since Academic 0.3
*/
function academic_post_pagination() {
the_post_navigation();
}
endif;
/**
* long excerpt
*
* @since Academic 0.3
* @return long excerpt value
*/
function academic_excerpt_length(){
$options = academic_get_theme_options();
$length = $options['long_excerpt_length'];
return (int)$length;
}
add_filter( 'excerpt_length', 'academic_excerpt_length' );
/**
* create the custom excerpts callback
*
* @since Academic 0.3
* @return custom excerpts callback
*/
function academic_custom_excerpt( $length_callback = '', $more_callback = '' ){
if ( function_exists( $length_callback ) ){
add_filter( 'excerpt_length', $length_callback );
}
$output = get_the_excerpt();
$output = apply_filters( 'wptexturize', $output );
$output = apply_filters( 'convert_chars', $output );
$output = $output;
echo esc_html( $output );
}
// read more
function academic_excerpt_more( $more ){
return '...';
}
add_filter( 'excerpt_more', 'academic_excerpt_more' );
/**
* custom excerpt function
*
* @since Academic 0.3
* @return no of words to display
*/
function academic_trim_content( $length = 40, $post_obj = null ) {
global $post;
if ( is_null( $post_obj ) ) {
$post_obj = $post;
}
$length = absint( $length );
if ( $length < 1 ) {
$length = 40;
}
$source_content = $post_obj->post_content;
if ( ! empty( $post_obj->post_excerpt ) ) {
$source_content = $post_obj->post_excerpt;
}
$source_content = preg_replace( '`\[[^\]]*\]`', '', $source_content );
$trimmed_content = wp_trim_words( $source_content, $length, '...' );
return apply_filters( 'academic_trim_content', $trimmed_content );
}
if ( ! function_exists( 'academic_footer_sidebar_class' ) ) :
/**
* Count the number of footer sidebars to enable dynamic classes for the footer
*
* @since Academic 0.3
*/
function academic_footer_sidebar_class() {
$data = array();
$active_id = array();
$count = 0;
if ( is_active_sidebar( 'footer-1' ) ) {
$active_id[] = '1';
$count++;
}
if ( is_active_sidebar( 'footer-2' ) ){
$active_id[] = '2';
$count++;
}
if ( is_active_sidebar( 'footer-3' ) ){
$active_id[] = '3';
$count++;
}
$class = '';
switch ( $count ) {
case '1':
$class = 'one';
break;
case '2':
$class = 'two';
break;
case '3':
$class = 'three';
break;
}
$data['active_id'] = $active_id;
$data['class'] = $class;
return $data;
}
endif;
if ( ! function_exists( 'academic_custom_content_width' ) ) :
/**
* Custom content width.
*
* @since 1.0
*/
function academic_custom_content_width() {
global $content_width;
$sidebar_position = academic_layout();
switch ( $sidebar_position ) {
case 'no-sidebar':
$content_width = 1170;
break;
case 'left-sidebar':
case 'right-sidebar':
$content_width = 819;
break;
default:
break;
}
if ( ! is_active_sidebar( 'sidebar-1' ) ) {
$content_width = 1170;
}
}
endif;
add_action( 'template_redirect', 'academic_custom_content_width' );
if ( ! function_exists( 'academic_layout' ) ) :
/**
* Check home page layout option
*
* @since Academic 0.3
*
* @return string Academic layout value
*/
function academic_layout() {
$options = academic_get_theme_options();
$sidebar_position = $options['sidebar_position'];
$sidebar_position = apply_filters( 'academic_sidebar_position', $sidebar_position );
// Check if single and static blog page
if ( is_singular() || is_home() ) {
if ( is_home() ) {
$post_sidebar_position = get_post_meta( get_option( 'page_for_posts' ), 'academic-sidebar-position', true );
} else {
$post_sidebar_position = get_post_meta( get_the_ID(), 'academic-sidebar-position', true );
}
if ( isset( $post_sidebar_position ) && ! empty( $post_sidebar_position ) ) {
$sidebar_position = $post_sidebar_position;
}
}
return $sidebar_position;
}
endif;
if ( ! function_exists( 'academic_header_image_meta_option' ) ) :
/**
* Check header image option meta
*
* @since Academic 0.3
*
* @return string Header image meta option
*/
function academic_header_image_meta_option() {
if ( is_archive() || is_404() || is_search() ) {
return get_header_image();
} else {
global $post;
$post_id = $post->ID;
$header_image_meta = get_post_meta( $post_id, 'academic-header-image', true );
if ( 'enable' == $header_image_meta && has_post_thumbnail( $post_id ) ) {
return wp_get_attachment_url( get_post_thumbnail_id( $post_id ) );
}elseif ( '' == $header_image_meta && get_header_image() ) {
return get_header_image();
} elseif ( 'disable' == $header_image_meta ) {
return false;
} elseif ( 'show-both' == $header_image_meta ) {
$header_image_both_flag = array( get_header_image(), 'show-both' );
return $header_image_both_flag;
}
}
}
endif;
if ( ! function_exists( 'academic_title_as_per_template' ) ) :
/**
* Return title as per template rendered
*
* @since Academic 0.3
*
* @return string Template title
*/
function academic_title_as_per_template() {
if ( is_singular() ) {
the_title();
} elseif( is_404() ) {
echo esc_html__( '404 Page', 'academic' );
} elseif( is_search() ){
echo esc_html__( 'Search Page', 'academic' );
} elseif ( is_archive() ) {
the_archive_title();
} elseif ( is_home() ) {
echo esc_html__( 'Blog Page', 'academic' );
}
}
endif;