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<?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_layout = get_post_meta( zakra_get_post_id(), 'zakra_sidebar_layout', true );
$default_layout = get_theme_mod( 'zakra_default_sidebar_layout', 'right' );
$wc_default_layout = get_theme_mod( 'zakra_woocommerce_default_sidebar_layout', 'right' );
if ( ! empty( $individual_layout ) && 'customizer' !== $individual_layout ) {
$layout = $individual_layout;
} elseif ( apply_filters( 'zakra_pro_current_layout', '' ) ) {
$layout = apply_filters( 'zakra_pro_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_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $wc_default_layout;
} else {
$page_layout = get_theme_mod( 'zakra_page_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $default_layout;
}
break;
case ( is_singular() ):
if ( zakra_is_woocommerce_active() && is_product() ) { // WC single product.
$page_layout = get_theme_mod( 'zakra_woocommerce_single_product_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $wc_default_layout;
} else {
$page_layout = get_theme_mod( 'zakra_post_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $default_layout;
}
break;
case ( is_archive() || is_home() ):
if ( zakra_is_woocommerce_active() && is_woocommerce() ) {
$page_layout = get_theme_mod( 'zakra_woocommerce_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $wc_default_layout;
} else {
$page_layout = get_theme_mod( 'zakra_archive_sidebar_layout', 'right' );
$layout = 'default' !== $page_layout ? $page_layout : $default_layout;
}
break;
case ( ! is_archive() || ! is_home() || ! is_singular() || ! is_404() || ! is_singular( 'page' ) ):
$page_layout = get_theme_mod( 'zakra_others_sidebar_layout', 'default' );
$layout = 'default' !== $page_layout ? $page_layout : $default_layout;
break;
default:
$layout = get_theme_mod( 'zakra_default_sidebar_layout', 'right' );
}
}
$layout = 'zak-site-layout--' . $layout;
return apply_filters( 'zakra_current_layout', $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' );