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Editing: template-functions.php
<?php /** * Functions which enhance the theme by hooking into WordPress * * @package zakra */ // Exit if accessed directly. defined( 'ABSPATH' ) || exit; if ( ! function_exists( 'zakra_pingback_header' ) ) : /** * Add a pingback url auto-discovery header for single posts, pages, or attachments. */ function zakra_pingback_header() { if ( is_singular() && pings_open() ) { echo '<link rel="pingback" href="', esc_url( get_bloginfo( 'pingback_url' ) ), '">'; } } endif; add_action( 'wp_head', 'zakra_pingback_header' ); if ( ! function_exists( 'zakra_css_class' ) ) : /** * Adds css classes to elements dynamically. * * @param string $tag Filter tag name. * * TODO: deprecate this function to Zakra_Dynamic_Filter * * @return string CSS classes. */ function zakra_css_class( $tag, $echo = true ) { // Get list of css classes in array for the `$tag` aka element. $classes = Zakra_Dynamic_Filter::filter_via_tag( $tag ); // Filter for the element classes. $classes = apply_filters( $tag, $classes ); // Remove duplicate classes if any. $classes = array_unique( $classes ); // Output in string format. if ( true === $echo ) { echo esc_attr( join( ' ', $classes ) ); } else { return join( ' ', $classes ); } } endif; if ( ! function_exists( 'zakra_primary_menu_class' ) ) : /** * Adds css classes into primary menu * * TODO: Add it to Zakra_Dynamic_Filter::css_class_list > zakra_nav_class and delete this function. * TODO: It's being used in Zakra Pro, use zakra_nav_class dynamic filter instead * * @param string $class css classname. */ function zakra_primary_menu_class( $class = '' ) { $classes = array(); $classes = array_map( 'esc_attr', $classes ); $classes = apply_filters( 'zakra_primary_menu_class', $classes, $class ); $classes = array_unique( $classes ); echo join( ' ', $classes ); // WPCS: XSS ok. } endif; if ( ! function_exists( 'zakra_footer_class' ) ) : /** * Adds css classes into the footer * * TODO: Add it to Zakra_Dynamic_Filter::css_class_list and delete this function. * * @param string $class css classname. */ function zakra_footer_class( $class = '' ) { $classes = array(); $classes = array_map( 'esc_attr', $classes ); $classes = apply_filters( 'zakra_footer_class', $classes, $class ); $classes = array_unique( $classes ); echo join( ' ', $classes ); // WPCS: XSS ok. } endif; if ( ! function_exists( 'zakra_footer_widget_container_class' ) ) : /** * Adds css classes into the footer widget area * * TODO: Add it to Zakra_Dynamic_Filter::css_class_list and delete this function. * TODO: It's being used in Zakra Pro, use zakra_nav_class dynamic filter instead * * @param string $class css classname. */ function zakra_footer_widget_container_class( $class = '' ) { $classes = array(); $classes = array_map( 'esc_attr', $classes ); $classes = apply_filters( 'zakra_footer_widget_container_class', $classes, $class ); $classes = array_unique( $classes ); echo join( ' ', $classes ); // WPCS: XSS ok. } endif; if ( ! function_exists( 'zakra_footer_bar_classes' ) ) : /** * Adds css classes into the footer bar * * TODO: Add it to Zakra_Dynamic_Filter::css_class_list and delete this function. * * @param string $class css classname. */ function zakra_footer_bar_classes( $class = '' ) { $classes = array(); $classes = array_map( 'esc_attr', $classes ); $classes = apply_filters( 'zakra_footer_bar_class', $classes, $class ); $classes = array_unique( $classes ); echo join( ' ', $classes ); // WPCS: XSS ok. } endif; if ( ! function_exists( 'zakra_sidebar_class' ) ) : /** * Adds css classes into the sidebar * * TODO: Add it to Zakra_Dynamic_Filter::css_class_list and delete this function. * TODO: It's being used in Zakra Pro, use zakra_nav_class dynamic filter instead * * @param string $class css classname. */ function zakra_sidebar_class( $class = '' ) { $classes = array(); $classes = array_map( 'esc_attr', $classes ); $classes = apply_filters( 'zakra_sidebar_class', $classes, $class ); $classes = array_unique( $classes ); echo join( ' ', $classes ); // WPCS: XSS ok. } endif; if ( ! function_exists( 'zakra_get_title' ) ) : /** * Returns page title. * * @return string */ function zakra_get_title() { if ( is_archive() ) { if ( is_author() ) : /** * Queue the first post, that way we know * what author we're dealing with (if that is the case). */ the_post(); $author_title = apply_filters( 'zakra_author_title_prefix', 'Author :' ); /* translators: %1$s: Author prefix, %2$s: Author. */ $page_title = sprintf( esc_html__( '%1$s %2$s', 'zakra' ), $author_title, '<span class="vcard">' . get_the_author() . '</span>' ); /** * Since we called the_post() above, we need to * rewind the loop back to the beginning that way * we can run the loop properly, in full. */ rewind_posts(); elseif ( is_post_type_archive() ) : $page_title = post_type_archive_title( '', false ); elseif ( is_day() ) : $day_title = apply_filters( 'zakra_day_title_prefix', 'Day:' ); /* translators: %1$s: Day prefix, %2$s: Day. */ $page_title = sprintf( esc_html__( '%1$s %2$s', 'zakra' ), $day_title, '<span>' . get_the_date() . '</span>' ); elseif ( is_month() ) : $month_title = apply_filters( 'zakra_month_title_prefix', 'Month:' ); /* translators: %1$s: Month prefix, %2$s: Month. */ $page_title = sprintf( esc_html__( '%1$s %2$s', 'zakra' ), $month_title, '<span>' . get_the_date( 'F Y' ) . '</span>' ); elseif ( is_year() ) : $year_title = apply_filters( 'zakra_year_title_prefix', 'Year:' ); /* translators: %1$s: Year prefix, %2$s: Year. */ $page_title = sprintf( esc_html__( '%1$s %2$s', 'zakra' ), $year_title, '<span>' . get_the_date( 'Y' ) . '</span>' ); elseif ( zakra_is_woocommerce_active() && function_exists( 'is_woocommerce' ) && is_woocommerce() ) : $page_title = woocommerce_page_title( false ); else : $page_title = single_cat_title( '', false ); endif; } elseif ( is_404() ) { // Page header. if ( 'page-header' === zakra_page_title_position() ) { $page_title = esc_html__( 'Page Not Found', 'zakra' ); } else { // Content area. $page_title = esc_html__( 'Oops! That page can’t be found.', 'zakra' ); } } elseif ( is_search() ) { $page_title = esc_html__( 'Search Results', 'zakra' ); } elseif ( is_page() ) { $page_title = get_the_title(); } elseif ( is_single() ) { $page_title = get_the_title(); } elseif ( is_home() ) { $queried_id = get_option( 'page_for_posts' ); $page_title = get_the_title( $queried_id ); } else { $page_title = ''; } return apply_filters( 'zakra_title', $page_title ); } endif; if ( ! function_exists( 'zakra_entry_title' ) ) : /** * Generate title for page, post, archive. */ function zakra_entry_title() { if ( 'page-header' !== zakra_page_title_position() ) { if ( is_singular() ) : the_title( '<h1 class="entry-title zak-page-content__title">', '</h1>' ); elseif ( is_archive() ) : the_archive_title( '<h1 class="page-title zak-page-content__title">', '</h1>' ); elseif ( is_404() ) : ?> <h1 class="page-title zak-page-content__title"><?php esc_html_e( 'Oops! That page can’t be found.', 'zakra' ); ?></h1> <?php else : the_title( '<h2 class="entry-title zak-page-content__title"><a href="' . esc_url( get_permalink() ) . '" rel="bookmark">', '</a></h2>' ); endif; } } endif; if ( ! function_exists( 'zakra_get_current_layout' ) ) : /** * Get the current layout of the page * * @return string layout. */ function zakra_get_current_layout() { $individual_container_layout = get_post_meta( zakra_get_post_id(), 'zakra_page_container_layout', true ); $individual_sidebar_layout = get_post_meta( zakra_get_post_id(), 'zakra_page_sidebar_layout', true ); $global_container = get_theme_mod( 'zakra_global_container_layout', 'contained' ); $global_sidebar = get_theme_mod( 'zakra_global_sidebar_layout', 'no_sidebar' ); $wc_container_default = get_theme_mod( 'zakra_woocommerce_global_container_layout', 'contained' ); $wc_sidebar_default = get_theme_mod( 'zakra_woocommerce_global_sidebar_layout', 'no_sidebar' ); if ( ! empty( $individual_container_layout ) && 'customizer' !== $individual_container_layout ) { $container_layout = $individual_container_layout; } elseif ( apply_filters( 'zakra_pro_container_current_layout', '' ) ) { $container_layout = apply_filters( 'zakra_pro_container_current_layout', '' ); } else { switch ( true ) { case ( is_singular( 'page' ) || is_404() ): if ( zakra_is_woocommerce_active() && ( is_checkout() || is_cart() || is_account_page() ) ) { $page_layout = get_theme_mod( 'zakra_woocommerce_page_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $wc_container_default; } else { $page_layout = get_theme_mod( 'zakra_single_page_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $global_container; } break; case ( is_singular() ): if ( zakra_is_woocommerce_active() && is_product() ) { // WC single product. $page_layout = get_theme_mod( 'zakra_single_product_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $wc_container_default; } else { $page_layout = get_theme_mod( 'zakra_single_post_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $global_container; } break; case ( is_archive() || is_home() ): if ( zakra_is_woocommerce_active() && is_woocommerce() ) { $page_layout = get_theme_mod( 'zakra_woocommerce_page_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $wc_container_default; } else { $page_layout = get_theme_mod( 'zakra_blog_container_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $global_container; } break; case ( ! is_archive() || ! is_home() || ! is_singular() || ! is_404() || ! is_singular( 'page' ) ): $page_layout = get_theme_mod( 'zakra_others_sidebar_layout', 'default' ); $container_layout = 'default' !== $page_layout ? $page_layout : $global_container; break; default: $container_layout = get_theme_mod( 'zakra_default_sidebar_layout', 'right' ); } } // For Sidebar layout class. if ( ! empty( $individual_sidebar_layout ) && 'customizer' !== $individual_sidebar_layout ) { $sidebar_layout = $individual_sidebar_layout; } elseif ( apply_filters( 'zakra_pro_sidebar_current_layout', '' ) ) { $sidebar_layout = apply_filters( 'zakra_pro_sidebar_current_layout', '' ); } else { switch ( true ) { case ( is_singular( 'page' ) || is_404() ): if ( zakra_is_woocommerce_active() && ( is_checkout() || is_cart() || is_account_page() ) ) { $sidebar_page_layout = get_theme_mod( 'zakra_woocommerce_page_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $wc_sidebar_default; } else { $sidebar_page_layout = get_theme_mod( 'zakra_single_page_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $global_sidebar; } break; case ( is_singular() ): if ( zakra_is_woocommerce_active() && is_product() ) { // WC single product. $sidebar_page_layout = get_theme_mod( 'zakra_single_product_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $wc_sidebar_default; } else { $sidebar_page_layout = get_theme_mod( 'zakra_single_post_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $global_sidebar; } break; case ( is_archive() || is_home() ): if ( zakra_is_woocommerce_active() && is_woocommerce() ) { $sidebar_page_layout = get_theme_mod( 'zakra_woocommerce_page_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $wc_sidebar_default; } else { $sidebar_page_layout = get_theme_mod( 'zakra_blog_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $global_sidebar; } break; case ( ! is_archive() || ! is_home() || ! is_singular() || ! is_404() || ! is_singular( 'page' ) ): $sidebar_page_layout = get_theme_mod( 'zakra_others_sidebar_layout', 'default' ); $sidebar_layout = 'default' !== $sidebar_page_layout ? $sidebar_page_layout : $global_sidebar; break; default: $sidebar_layout = ''; } } $container_layout = 'zak-site-layout--' . $container_layout; $sidebar_layout = 'zak-site-layout--' . $sidebar_layout; $layout = $container_layout . ' ' . $sidebar_layout; return apply_filters( 'zakra_current_layout', $layout ); } endif; if ( ! function_exists( 'zakra_get_current_sidebar_layout' ) ) : /** * Get the current layout of the page * * @return string layout. */ function zakra_get_current_sidebar_layout() { $current_layout = zakra_get_current_layout(); preg_match( '/zak-site-layout--(no_sidebar|left|right|both)/', $current_layout, $m_sidebar ); $current_layout = $m_sidebar[0] ?? ''; return $current_layout; } endif; if ( ! function_exists( 'zakra_insert_mod_hatom_data' ) ) : /** * Adding the support for the entry-title tag for Google Rich Snippets. * * @param string $content The post content. * * @return string hatom data. */ function zakra_insert_mod_hatom_data( $content ) { $title = get_the_title(); if ( is_single() && 'page-header' === zakra_page_title_position() ) { $content .= '<div class="extra-hatom"><span class="entry-title">' . $title . '</span></div>'; } return $content; } add_filter( 'the_content', 'zakra_insert_mod_hatom_data' ); endif; if ( ! function_exists( 'zakra_get_image_by_id' ) ) : /** * Get image HTML by id. * * @param int $id ID of the logo image attachment. * @param int $attr HTML alt for image. * @param int $default_alt Default alt value. */ function zakra_get_image_by_id( $id, $attr, $default_alt = '' ) { // Get image alt. $image_alt = get_post_meta( zakra_get_post_id(), '_wp_attachment_image_alt', true ); if ( empty( $image_alt ) && ! empty( $default_alt ) ) { $attr['alt'] = $default_alt; } return wp_get_attachment_image( $id, 'full', false, $attr ); } endif; if ( ! function_exists( 'zakra_responsive_oembeds' ) ) : /** * Adds a responsive embed wrapper around oEmbed content. * * @param string $html oEmbed markup. * @param string $url URL to embed. * * @return string */ function zakra_responsive_oembeds( $html, $url ) { $hosts = apply_filters( 'zakra_oembed_responsive_hosts', array( 'vimeo.com', 'youtube.com', 'dailymotion.com', 'flickr.com', 'hulu.com', 'kickstarter.com', 'vine.co', 'soundcloud.com', 'youtu.be', ) ); if ( zakra_strpos( $url, $hosts ) ) { $html = ( '' !== $html ) ? '<div class="zak-oembed-container">' . $html . '</div>' : ''; } return $html; } endif; add_filter( 'embed_oembed_html', 'zakra_responsive_oembeds', 99, 4 ); if ( ! function_exists( 'zakra_change_search_field_placeholder' ) ) : /** * Replace 'Search...' with custom placeholder text. * * TODO: @param string $form The search form HTML output. * * @return string * @since. * */ function zakra_change_search_field_placeholder( $form ) { return str_replace( 'Search …', 'Type & hit enter...', $form ); } endif; add_filter( 'get_search_form', 'zakra_change_search_field_placeholder' );
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