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<?php
/**
* Template HTML output filters
*
* @package ExS
* @since 0.0.1
*/
if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}
//remove 'has-post-thumbnail' post_class if appropriate single post layout is selected
//add 'no-post-thumbnail' if there is no post thumbnail added
if ( ! function_exists( 'exs_filter_post_class' ) ) :
function exs_filter_post_class( $exs_classes, $additional_class, $post_id ) {
$exs_special_slug = exs_get_post_special_category_slug();
if ( is_single() && empty( $exs_special_slug ) && ( 'title-section-image' === exs_option( 'blog_single_layout', '' ) || '6' === exs_option( 'title', '' ) || '7' === exs_option( 'title', '' ) || '8' === exs_option( 'title', '' ) ) ) {
$exs_key = array_search( 'has-post-thumbnail', $exs_classes, true );
unset( $exs_classes[ $exs_key ] );
}
if (
post_password_required( $post_id )
||
is_attachment()
||
! has_post_thumbnail( $post_id )
||
! file_exists( get_attached_file( get_post_thumbnail_id( $post_id ) ) )
) {
$exs_classes[] = 'no-post-thumbnail';
}
return $exs_classes;
}
endif;
add_filter( 'post_class', 'exs_filter_post_class', 10, 3 );
// Wraps the title's each word in separate span
if ( ! function_exists( 'exs_filter_widget_title' ) ) :
/**
* Wraps the title words in spans.
*
* @param string $exs_title The string.
*
* @return string The modified string.
*/
function exs_filter_widget_title( $exs_title = '', $instance = '', $id_base = '' ) {
if ( empty( $exs_title ) || empty( $instance) || empty( $id_base ) ) {
return $exs_title;
}
//RSS escaping HTML in title and break it
if ( 'rss' === $id_base ) {
return $exs_title;
}
// Cut the title into words.
$exs_words = explode( ' ', $exs_title );
$exs_array = array();
foreach ( $exs_words as $exs_index => $exs_word ) {
$exs_counter = $exs_index + 1;
$exs_array[] = '<span class="widget-title-word widget-title-word-' . esc_attr( $exs_counter ) . '">' . esc_html( $exs_word ) . '</span>';
}
return implode( ' ', $exs_array );
}
endif;
add_filter( 'widget_title', 'exs_filter_widget_title', 999, 3 );
//Since 5.4 this do not needed?
//filter calendar widget to fix validation errors
if ( ! function_exists( 'exs_filter_widget_calendar_html' ) ) :
function exs_filter_widget_calendar_html( $exs_html ) {
//get tfoot
$exs_tfoot = preg_match( '/<tfoot>(.|\n)*<\/tfoot>/', $exs_html, $exs_match );
//remove tfoot from table
$exs_html = preg_replace( '/<tfoot>(.|\n)*<\/tfoot>/', '', $exs_html );
//attach tfoot after tbody
if ( ! empty( $exs_match[0] ) ) {
$exs_html = str_replace( '</tbody>', "</tbody>\n\t" . $exs_match[0], $exs_html );
}
return $exs_html;
} //exs_filter_widget_calendar_html()
endif;
add_filter( 'get_calendar', 'exs_filter_widget_calendar_html' );
//wrapping in a span widgets categories and archives items count - but skip dropdowns
if ( ! function_exists( 'exs_filter_add_span_to_arhcive_widget_count' ) ) :
function exs_filter_add_span_to_arhcive_widget_count( $exs_links ) {
if ( stristr( $exs_links, '<option' ) ) {
return $exs_links;
}
//for woo categories widget
$exs_links = str_replace( '<span class="count">(', '<span class="count"><span class="count-open">(</span>', $exs_links );
//for categories widget
$exs_links = str_replace( '</a> (', '</a> <span class="count"><span class="count-open">(</span>', $exs_links );
//for archive widget
$exs_links = str_replace( ' (', ' <span class="count"><span class="count-open">(</span>', $exs_links );
$exs_links = preg_replace( '/([0-9]+)\)/', '$1<span class="count-close">)</span></span>', $exs_links );
//putting span before link for styling purpose
$exs_links = preg_replace( '~(<a href=.*</a>) (<span class="count"><span class="count-open">\(</span>([0-9]*)<span class="count-close">\)</span></span>)~', '$2$1', $exs_links );
return $exs_links;
}
endif;
add_filter( 'wp_list_categories', 'exs_filter_add_span_to_arhcive_widget_count' );
add_filter( 'get_archives_link', 'exs_filter_add_span_to_arhcive_widget_count' );
//wrapping tag links in span
if ( ! function_exists( 'exs_filter_add_spans_to_tag_links' ) ) :
function exs_filter_add_spans_to_tag_links( $exs_html ) {
$exs_html = str_replace( '<a', '<span><a', $exs_html );
$exs_html = str_replace( '</a>', '</a></span>', $exs_html );
return $exs_html;
}
endif;
add_filter( 'wp_tag_cloud', 'exs_filter_add_spans_to_tag_links' );
//wrapping "category" word in title area in a span
if ( ! function_exists( 'exs_filter_wrap_cat_title_before_colon_in_span' ) ) :
function exs_filter_wrap_cat_title_before_colon_in_span( $exs_title ) {
$exs_hide_tax_name_title = exs_option( 'blog_hide_taxonomy_type_name', false );
if ( is_category() && exs_get_post_special_category_slug() ) {
$exs_hide_tax_name_title = true;
}
if ( empty( $exs_hide_tax_name_title ) ) {
return preg_replace( '/^.*: /', '<span class="taxonomy-name-title">${0}</span>', $exs_title );
} else {
return preg_replace( '/^.*: /', '', $exs_title );
}
}
endif;
add_filter( 'get_the_archive_title', 'exs_filter_wrap_cat_title_before_colon_in_span' );
/**
* Fix active class in nav for blog page and special cats or post inside special cat.
* since 1.9.9 - auto insert Logo menu item in center of the menu primary if appropriate header is set
*
* @param array $menu_items Menu items.
* @return array
*/
if ( ! function_exists( 'exs_filter_nav_menu_item_classes' ) ) :
function exs_filter_nav_menu_item_classes( $menu_items, $args ) {
//logo in the middle of the primary menu
if ( 'primary' === $args->theme_location && '7' === exs_option( 'header' ) ) :
$count = exs_get_menu_top_level_items_count( 'primary' );
$logo_item_key = ( int ) round( $count / 2 );
ob_start();
get_template_part( 'template-parts/header/logo/logo', exs_template_part( 'logo', '1' ), array( 'div' => true ) );
$html_logo = ob_get_clean();
$logo_el = new WP_Post(
( object ) array(
'menu_item_parent' => '0',
'url' => esc_url( home_url( '/' ) ),
'title' => $html_logo,
'ID' => 'primary-logo-id',
'classes' => array(
'd-none',
'desktop-logo-menu-item',
),
)
);
$new_items = array();
$top_level_count = 0;
$logo_added = false;
foreach ( $menu_items as $key => $item ) {
if ( '0' === $item->menu_item_parent ) {
$top_level_count++;
}
if( ! $logo_added ) :
if ( ( $top_level_count === $logo_item_key + 1 ) || ( 1 === $count ) || ( 0 === $count ) ) :
$new_items[] = $logo_el;
$logo_added = true;
endif; //count = key
endif; //logo added
$new_items[] = $item;
}
$menu_items = $new_items;
unset( $new_items );
endif; //primary and heading with center logo
if ( ! is_category( exs_get_special_categories_from_options_ids_with_children() ) && ! is_singular( 'post' ) ) {
return $menu_items;
}
$page_for_posts = (int) get_option( 'page_for_posts' );
$exs_special_slug = is_singular( 'post' ) ? exs_get_post_special_category_slug() : false;
if ( ! empty( $menu_items ) && is_array( $menu_items ) ) {
foreach ( $menu_items as $key => $menu_item ) {
$classes = (array) $menu_item->classes;
$menu_id = (int) $menu_item->object_id;
// Unset active class for blog page.
if ( ( $page_for_posts === $menu_id && is_category() ) || $exs_special_slug ) {
$menu_items[ $key ]->current = false;
if ( in_array( 'current_page_parent', $classes, true ) ) {
unset( $classes[ array_search( 'current_page_parent', $classes, true ) ] );
}
}
$menu_items[ $key ]->classes = array_unique( $classes );
}
}
return $menu_items;
}
endif;
add_filter( 'wp_nav_menu_objects', 'exs_filter_nav_menu_item_classes', 10, 2 );
// add icon to edit comment link
if ( ! function_exists( 'exs_filter_edit_comment_link' ) ) :
function exs_filter_edit_comment_link( $edit_comment_html ) {
$edit_comment_html = str_replace( '<span class="edit-link">', '<span class="edit-link"> ', $edit_comment_html );
return $edit_comment_html;
}
endif;
add_filter( 'edit_comment_link', 'exs_filter_edit_comment_link' );
// add 'data-hover' attribute to nav menu link
if ( ! function_exists( 'exs_filter_menu_item_data_hover_attribute' ) ) :
function exs_filter_menu_item_data_hover_attribute( $atts, $item, $args, $depth ) {
//detect if item is a logo. Since 1.9.9
if ( ! strpos( $item->title, 'rel="home" itemprop="url"' ) ) {
$atts['data-hover'] = esc_attr( $item->title );
}
return $atts;
}
endif;
//this filter is removed since 1.5.1 in favor of inner span - exs_filter_menu_item_inner_span_whti_data_hover_attribute
add_filter( 'nav_menu_link_attributes', 'exs_filter_menu_item_data_hover_attribute', 4, 10 );
// add 'span' inside nav menu item and add 'data-hover' attribute to nav menu link
// since 1.5.1
if ( ! function_exists( 'exs_filter_menu_item_inner_span_whti_data_hover_attribute' ) ) :
function exs_filter_menu_item_inner_span_whti_data_hover_attribute( $args, $item, $depth ) {
//detect if item is a logo. Since 1.9.9
if ( ! strpos( $item->title, 'rel="home" itemprop="url"' ) ) {
$args->link_before = '<span class="nav-menu-item-inside" data-hover="' . esc_attr( $item->title ) . '">';
$args->link_after = '</span>';
} else {
$args->link_before = '';
$args->link_after = '';
}
return $args;
}
endif;
add_filter( 'nav_menu_item_args', 'exs_filter_menu_item_inner_span_whti_data_hover_attribute', 3, 10 );
//add ALT text on post thumbnail if it is empty
if ( ! function_exists( 'exs_filter_post_thumbnail_add_alt_text_if_empty' ) ) :
function exs_filter_post_thumbnail_add_alt_text_if_empty( $html, $post_id ) {
return str_replace( 'alt=""', 'alt="' . esc_attr( get_the_title( $post_id ) ) . '"', $html );
}
endif;
add_filter( 'post_thumbnail_html', 'exs_filter_post_thumbnail_add_alt_text_if_empty', 10, 2 );
//add spans for all headings in the_content
if ( ! function_exists( 'exs_filter_the_content_add_spans_to_headings' ) ) :
function exs_filter_the_content_add_spans_to_headings( $html ) {
//the_title markup:
//'<span class="hidden" itemscope="itemscope" itemprop="headline" itemtype="https://schema.org/Text">' . get_the_title() .'</span>';
$exs_headings = array( '<h1>', '<h2>', '<h3>', '<h4>', '<h5>', '<h6>' );
$exs_headings_with_atts = array( '<h1.*">', '<h2.*">', '<h3.*">', '<h4.*">', '<h5.*">', '<h6.*">' );
$exs_headings_end = array( '</h1>', '</h2>', '</h3>', '</h4>', '</h5>', '</h6>' );
foreach ( $exs_headings as $exs_heading ) {
$html = str_replace( $exs_heading, $exs_heading . '<span class="heading-inner">', $html );
}
foreach ( $exs_headings_end as $exs_heading ) {
$html = str_replace( $exs_heading, '</span>' . $exs_heading, $html );
}
foreach ( $exs_headings_with_atts as $exs_heading ) {
$html = preg_replace( '/(' . $exs_heading . ')/', '${1}<span class="heading-inner">', $html );
}
return $html;
}
endif;
add_filter( 'exs_the_content', 'exs_filter_the_content_add_spans_to_headings', 99 );
//add table of contents based on headings
if ( ! function_exists( 'exs_filter_the_content_add_toc_in_post' ) ) :
function exs_filter_the_content_add_toc_in_post( $html ) {
//return if not single post and not the main query
if ( ! is_singular( 'post' ) || ! in_the_loop() || ! is_main_query() || empty( exs_option( 'blog_single_toc_enabled' ) ) ) {
return $html;
}
$toc_html = '';
$h = preg_match_all('~<h[1-6](.*?)>(.*)</h[1-6]>~i',$html,$matches);
$manual_ids = array();
if ( ! empty( $h ) ) :
//set IDs for titles
foreach ( $matches[0] as $key => $heading ) {
if ( stripos( $heading, ' id=' ) === false ) {
$pos = strpos( $heading, '>' );
if ($pos !== false) {
$new_heading = substr_replace( $heading, ' id="' . sanitize_title( $matches[2][ $key ] ). '">', $pos, strlen('>' ) );
$html = str_replace( $heading, $new_heading, $html );
}
} else {
//user added manual ID
$manual_ids[] = $key;
}
}
//create a TOC markup
$toc_title = exs_option( 'blog_single_toc_title', '' );
$toc_bg = exs_option( 'blog_single_toc_background', '' );
$toc_mt = exs_option( 'blog_single_toc_mt', 'mt-2' );
$toc_mb = exs_option( 'blog_single_toc_mb', 'mb-2' );
$toc_padding = $toc_bg ? ' extra-padding' : '';
$toc_bordered = exs_option( 'blog_single_toc_bordered', '' ) ? ' bordered' : '';
$toc_shadow = exs_option( 'blog_single_toc_shadow', '' ) ? ' shadow' : '';
$toc_rounded = exs_option( 'blog_single_toc_rounded', '' ) ? ' rounded' : '';
$toc_html .= '<div class="exs-toc ' . esc_attr( $toc_mt . ' ' . $toc_mb . ' ' . $toc_bg . $toc_padding . $toc_bordered . $toc_shadow . $toc_rounded ) . '">';
if ( ! empty( $toc_title ) ) {
$toc_html .= '<h3 class="exs-toc-title mb-05">' . esc_html ( $toc_title ) . '</h3>';
}
$toc_html .= '<nav class="exs-toc-nav"><ul class="mb-0">';
foreach ( $matches[2] as $key => $title ) {
$li_class = '';
$margin_left = '0';
$indent_li = exs_option( 'blog_single_toc_single_margins' );
if ( stristr( $matches[0][ $key ] , '<h1' ) ) {
$li_class = 'toc-li-h1';
}
if ( stristr( $matches[0][ $key ] , '<h2' ) ) {
$li_class = 'toc-li-h2';
$margin_left = $indent_li ? '.5' : $indent_li;
}
if ( stristr( $matches[0][ $key ] , '<h3' ) ) {
$li_class = 'toc-li-h3';
$margin_left = $indent_li ? '1' : $indent_li;
}
if ( stristr( $matches[0][ $key ] , '<h4' ) ) {
$li_class = 'toc-li-h4';
$margin_left = $indent_li ? '1.5' : $indent_li;
}
if ( stristr( $matches[0][ $key ] , '<h5' ) ) {
$li_class = 'toc-li-h5';
$margin_left = $indent_li ? '2' : $indent_li;
}
if ( stristr( $matches[0][ $key ] , '<h6' ) ) {
$li_class = 'toc-li-h6';
$margin_left = $indent_li ? '2.5' : $indent_li;
}
if ( in_array( $key, $manual_ids ) ) {
if (preg_match( '/id="(.*)"/', $matches[0][ $key ], $matches_id)) {
$link_hash = $matches_id[1];
} else {
$link_hash = '';
}
} else {
$link_hash = sanitize_title( strip_tags( $title ) );
}
$toc_html .= '<li style="margin-left:' . esc_attr( $margin_left ) . 'em" class="' . esc_attr( $li_class ) . '"><a class="exs-toc-item" href="#' . $link_hash . '">' . strip_tags( $title ) . '</a></li>';
}
$toc_html .= '</ul></nav></div>';
endif; //! empty $h
$toc_position = exs_option( 'blog_single_toc_after_first_p' );
if ( ( '2' === $toc_position ) ) {
add_action( 'exs_action_top_of_aside_column', function () use ( $toc_html ){
$exs = ExS::instance();
if ( ! $exs->get('toc') ) {
echo wp_kses_post( str_replace( '<div class="exs-toc', '<div class="exs-toc hidden-md', $toc_html ) );
$exs->set('toc', 1);
}
});
return str_replace( '<div class="exs-toc', '<div style="display:none" class="visible-md exs-toc', $toc_html ) . $html;
} else {
$pos = stripos( $html, '</p>' );
if ( $toc_position && $pos !== false ) {
$newstring = substr_replace($html, $toc_html, $pos, 4);
return $newstring;
} else {
return $toc_html . $html;
}
}
}
endif;
add_filter( 'the_content', 'exs_filter_the_content_add_toc_in_post', 99 );
//remove 'role="navigation"' from 'nav' pagination element
if ( ! function_exists( 'exs_filter_navigation_markup_template' ) ) :
function exs_filter_navigation_markup_template( $html ) {
$html = str_replace( 'role="navigation" ', '', $html );
return $html;
}
endif;
add_filter( 'navigation_markup_template', 'exs_filter_navigation_markup_template' );
//remove menu-container class from nav_menu widget
if ( ! function_exists( 'exs_filter_widget_nav_menu_args' ) ) :
function exs_filter_widget_nav_menu_args( $args ) {
$args = wp_parse_args(
$args,
array(
'container' => false,
)
);
return $args;
}
endif;
add_filter( 'widget_nav_menu_args', 'exs_filter_widget_nav_menu_args' );
//add custom image size to Gutenberg dropdown
add_filter( 'image_size_names_choose', 'exs_filter_image_size_names_choose' );
if ( ! function_exists( 'exs_filter_image_size_names_choose' ) ) :
function exs_filter_image_size_names_choose( $sizes ) {
return array_merge( $sizes, array(
'exs-square' => esc_html__( 'Square 800x800', 'exs' ),
'exs-square-half' => esc_html__( 'Half Square 800x400', 'exs' ),
) );
}
endif;
//filter page menu
if ( ! function_exists( 'exs_filter_wp_page_menu_args' ) ) :
function exs_filter_wp_page_menu_args( $args ) {
$args['menu_class'] = 'top-menu ';
$args['container'] = 'ul';
return $args;
}
endif;
add_filter( 'wp_page_menu_args', 'exs_filter_wp_page_menu_args' );
//add social icons to bottom menu and additional logo, search and meta to the mobile primary menu
if ( ! function_exists( 'exs_filter_nav_additional_links' ) ) :
function exs_filter_nav_additional_links( $items, $args ) {
//bottom menu
if( 'bottom' === $args->theme_location && exs_option( 'bottom_nav_show_social' ) ) {
$links = exs_social_links_html();
if ( ! empty( $links ) ) {
$items .= '<li>';
$items .= $links;
$items .= '</li>';
}
}
//primary menu
if( 'primary' === $args->theme_location ) {
$items_before = '';
if ( exs_option( 'menu_mobile_show_logo' ) ) {
ob_start();
get_template_part( 'template-parts/header/logo/logo', exs_template_part( 'logo', '1' ) );
$html_logo = ob_get_clean();
$items_before .= '<li class="hidden menu-mobile-logo"><span>' . $html_logo . '</span></li>';
}
if ( exs_option( 'menu_mobile_show_search' ) ) {
ob_start();
get_search_form();
$html_search = ob_get_clean();
$items_before .= '<li class="hidden menu-mobile-search">' . $html_search . '</li>';
}
if ( $items_before ) {
$items = $items_before . $items;
}
if ( exs_option( 'menu_mobile_show_meta' ) ) {
ob_start();
get_template_part( 'template-parts/site-meta' );
$html_meta = ob_get_clean();
if ( $html_meta ) {
$items = $items . '<li class="hidden menu-mobile-meta">' . $html_meta . '</li>';
}
}
if ( exs_option( 'menu_mobile_show_social' ) ) {
$html_links = exs_social_links_html();
if ( $html_links ) {
$items = $items . '<li class="hidden menu-mobile-meta">' . $html_links . '</li>';
}
}
}
return $items;
}
endif;
add_filter( 'wp_nav_menu_items', 'exs_filter_nav_additional_links', 20, 2 );
//add avatar custom image if exist
if ( ! function_exists( 'exs_filter_custom_avatar_image_for_comments' ) ) :
function exs_filter_custom_avatar_image_for_comments( $args, $id_or_email ) {
if( is_object( $id_or_email ) && ! empty( $id_or_email->user_id ) ) {
$img = get_user_meta( $id_or_email->user_id, 'custom_profile_image');
if(!empty($img)&&!empty($img[0])){
$args['url']=esc_url($img[0]);
}
}
return $args;
}
endif;
add_filter( 'get_avatar_data', 'exs_filter_custom_avatar_image_for_comments', 10, 2 );