includes/extras.php
<?php
/**
* LSX functions and definitions - Integrations - Extras
*
* @package lsx
* @subpackage extras
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Enable shortcode for text widget.
*
* @package lsx
* @subpackage extras
*/
add_filter( 'widget_text', 'shortcode_unautop' );
add_filter( 'widget_text', 'do_shortcode' );
if ( ! function_exists( 'lsx_kses_allowed_html' ) ) :
/**
* Enable extra attributes (srcset, sizes) in img tag.
*
* @package lsx
* @subpackage extras
*/
function lsx_kses_allowed_html( $allowedtags, $context ) {
$allowedtags['img']['srcset'] = true;
$allowedtags['img']['sizes'] = true;
$allowedtags['input']['name'] = true;
$allowedtags['input']['type'] = true;
$allowedtags['input']['value'] = true;
$allowedtags['input']['class'] = true;
$allowedtags['input']['id'] = true;
$allowedtags['script']['type'] = true;
return $allowedtags;
}
endif;
add_filter( 'wp_kses_allowed_html', 'lsx_kses_allowed_html', 10, 2 );
if ( ! function_exists( 'lsx_body_class' ) ) :
/**
* Add and remove body_class() classes.
*
* @package lsx
* @subpackage extras
*/
function lsx_body_class( $classes ) {
global $post;
$header_layout = get_theme_mod( 'lsx_header_layout', 'inline' );
$classes[] = 'header-' . $header_layout;
$mobile_header_layout = get_theme_mod( 'lsx_header_mobile_layout', 'navigation-bar' );
$classes[] = 'mobile-header-' . $mobile_header_layout;
if ( isset( $post ) ) {
$classes[] = $post->post_name;
}
if ( class_exists( 'LSX_Banners' ) && empty( apply_filters( 'lsx_banner_plugin_disable', false ) ) ) {
$post_types = array( 'page', 'post' );
$post_types = apply_filters( 'lsx_allowed_post_type_banners', $post_types );
$img_group = get_post_meta( $post->ID, 'image_group', true );
if ( is_singular( $post_types ) && ! empty( $img_group ) && is_array( $img_group ) && ! empty( $img_group['banner_image'] ) ) {
$classes[] = 'page-has-banner';
}
if ( is_singular( $post_types ) && empty( $img_group['banner_image'] ) && ( ! has_post_thumbnail( $post->ID ) ) ) {
$classes[] = 'page-has-no-banner';
}
}
if ( function_exists( 'tour_operator' ) ) {
$post_types = array( 'page', 'post' );
$classes[] = 'to-active';
}
if ( has_nav_menu( 'top-menu' ) || has_nav_menu( 'top-menu-left' ) ) {
$classes[] = 'has-top-menu';
}
$fixed_header = get_theme_mod( 'lsx_header_fixed', false );
if ( ( false !== $fixed_header ) && ( ! is_page_template( 'page-templates/template-cover.php' ) ) ) {
$classes[] = 'top-menu-fixed';
}
$search_form = get_theme_mod( 'lsx_header_search', false );
if ( false !== $search_form ) {
$classes[] = 'has-header-search';
}
$register_enabled = get_option( 'users_can_register', false );
if ( ( $register_enabled ) && is_page( 'my-account' ) && is_singular() ) {
$classes[] = 'register-enabled';
}
return $classes;
}
endif;
add_filter( 'body_class', 'lsx_body_class' );
if ( ! function_exists( 'lsx_embed_wrap' ) ) :
/**
* Wrap embedded media as suggested by Readability.
*
* @package lsx
* @subpackage extras
*
* @link https://gist.github.com/965956
* @link http://www.readability.com/publishers/guidelines#publisher
*/
function lsx_embed_wrap( $cache, $url, $attr = '', $post_id = '' ) {
if ( false !== strpos( $cache, '<iframe' ) ) {
return '<div class="entry-content-asset">' . $cache . '</div>';
}
return $cache;
}
endif;
add_filter( 'embed_oembed_html', 'lsx_embed_wrap', 10, 4 );
if ( ! function_exists( 'lsx_remove_self_closing_tags' ) ) :
/**
* Remove unnecessary self-closing tags.
*
* @package lsx
* @subpackage extras
*/
function lsx_remove_self_closing_tags( $input ) {
return str_replace( ' />', '>', $input );
}
endif;
add_filter( 'get_avatar', 'lsx_remove_self_closing_tags' ); // <img />
add_filter( 'comment_id_fields', 'lsx_remove_self_closing_tags' ); // <input />
add_filter( 'post_thumbnail_html', 'lsx_remove_self_closing_tags' ); // <img />
if ( ! function_exists( 'lsx_is_element_empty' ) ) :
/**
* Checks if a Nav $element is empty or not.
*
* @package lsx
* @subpackage extras
*/
function lsx_is_element_empty( $element ) {
$element = trim( $element );
return empty( $element ) ? false : true;
}
endif;
if ( ! function_exists( 'lsx_get_thumbnail' ) ) :
/**
* return the responsive images.
*
* @package lsx
* @subpackage extras
*/
function lsx_get_thumbnail( $size, $image_src = false ) {
global $wp_version;
if ( false === $image_src ) {
$post_id = get_the_ID();
$post_thumbnail_id = get_post_thumbnail_id( $post_id );
if ( empty( $post_thumbnail_id ) ) {
$post_thumbnail_id = apply_filters( 'lsx_get_thumbnail_post_placeholder_id', $post_thumbnail_id, $post_id );
}
} elseif ( false !== $image_src ) {
if ( is_numeric( $image_src ) ) {
$post_thumbnail_id = $image_src;
} else {
$post_thumbnail_id = lsx_get_attachment_id_from_src( $image_src );
if ( empty( $post_thumbnail_id ) ) {
$post_thumbnail_id = apply_filters( 'lsx_get_thumbnail_post_placeholder_id', $post_thumbnail_id, $post_id );
}
}
}
$size = apply_filters( 'lsx_thumbnail_size', $size );
$img = '';
$lazy_img = '';
$image_url = '';
if ( 'lsx-thumbnail-single' === $size || 'lsx-thumbnail-wide' === $size || 'lsx-thumbnail-square' === $size || 'thumbnail' === $size ) {
$srcset = false;
if ( ( ( 'team' === get_post_type() ) || ( 'testimonial' === get_post_type() ) ) && is_search() ) {
$img = get_the_post_thumbnail_url( get_the_ID(), 'lsx-thumbnail-wide' );
} else {
$temp_img = wp_get_attachment_image_src( $post_thumbnail_id, $size );
if ( ! empty( $temp_img ) ) {
$img = $temp_img[0];
}
}
} else {
$srcset = true;
$img = wp_get_attachment_image_srcset( $post_thumbnail_id, $size );
$temp_lazy = wp_get_attachment_image_src( $post_thumbnail_id, $size );
if ( ! empty( $temp_lazy ) ) {
$lazy_img = $temp_lazy[0];
}
if ( empty( $img ) ) {
$srcset = false;
if ( ! empty( $lazy_img ) ) {
$img = $lazy_img;
}
}
}
if ( '' !== $img ) {
$image_url = $img;
$img = '<img title="' . the_title_attribute( 'echo=0' ) . '" alt="' . the_title_attribute( 'echo=0' ) . '" class="attachment-responsive wp-post-image lsx-responsive" ';
if ( version_compare( $wp_version, '5.5', '>=' ) ) {
$img = '<img loading="lazy" title="' . the_title_attribute( 'echo=0' ) . '" alt="' . the_title_attribute( 'echo=0' ) . '" class="attachment-responsive wp-post-image lsx-responsive wp-lazy" ';
}
if ( $srcset ) {
$img .= 'srcset="' . esc_attr( $image_url ) . '" ';
} else {
$img .= 'src="' . esc_url( $image_url ) . '" ';
}
$img .= '/>';
if ( ! version_compare( $wp_version, '5.5', '>=' ) ) {
$img = apply_filters( 'lsx_lazyload_filter_images', $img );
$img = apply_filters( 'lsx_lazyload_slider_images', $img, $post_thumbnail_id, $size, $srcset, $image_url );
}
}
return $img;
}
endif;
if ( ! function_exists( 'lsx_thumbnail' ) ) :
/**
* Output the Resonsive Images.
*
* @package lsx
* @subpackage extras
*/
function lsx_thumbnail( $size = 'thumbnail', $image_src = false ) {
echo wp_kses_post( lsx_get_thumbnail( $size, $image_src ) );
}
endif;
if ( ! function_exists( 'lsx_get_attachment_id_from_src' ) ) :
/**
* Gets the attachments ID from the src.
*
* @package lsx
* @subpackage extras
*/
function lsx_get_attachment_id_from_src( $image_src ) {
$post_id = wp_cache_get( $image_src, 'lsx_get_attachment_id_from_src' );
if ( false === $post_id ) {
global $wpdb;
$post_id = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM {$wpdb->posts} WHERE guid='%s' LIMIT 1", $image_src ) );
wp_cache_set( $image_src, $post_id, 'lsx_get_attachment_id_from_src', 3600 );
}
return $post_id;
}
endif;
if ( ! function_exists( 'lsx_page_banner' ) ) :
/**
* Add Featured Image as Banner on Single Pages.
*
* @package lsx
* @subpackage extras
*/
function lsx_page_banner() {
if ( true === apply_filters( 'lsx_page_banner_disable', false ) ) {
return;
}
$post_types = array( 'page', 'post' );
$post_types = apply_filters( 'lsx_allowed_post_type_banners', $post_types );
if ( is_singular( $post_types ) && has_post_thumbnail() ) :
$bg_image = '';
if ( has_post_thumbnail() ) {
$temp_bg_image = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full' );
if ( ! empty( $temp_bg_image ) ) {
$bg_image = $temp_bg_image[0];
}
}
if ( '' !== $bg_image ) :
?>
<div class="page-banner-wrap">
<div class="page-banner">
<?php lsx_banner_inner_top(); ?>
<div class="page-banner-image" style="background-image:url(<?php echo esc_attr( $bg_image ); ?>);"></div>
<div class="container">
<header class="page-header">
<h1 class="page-title"><?php the_title(); ?></h1>
<?php lsx_banner_content(); ?>
</header>
</div>
<?php lsx_banner_inner_bottom(); ?>
</div>
</div>
<?php
endif;
endif;
}
endif;
add_filter( 'lsx_banner_disable', 'lsx_disable_banner_for_blocks' );
add_filter( 'lsx_global_header_disable', 'lsx_disable_banner_for_blocks' );
if ( ! function_exists( 'lsx_disable_banner_for_blocks' ) ) :
/**
* Disable the Banner if the page is using Blocks
*
* @package lsx
* @subpackage extras
*
* @param $disable boolean
* @return boolean
*/
function lsx_disable_banner_for_blocks( $disable ) {
$queried_object = get_queried_object_id();
$show_on_front = get_option( 'show_on_front' );
if ( 'page' === $show_on_front && (int) get_option( 'page_for_posts' ) === $queried_object ) {
return $disable;
}
if ( function_exists( 'has_blocks' ) && has_blocks() && ( ! is_archive() ) ) {
$disable = true;
if ( function_exists( 'lsx_to_get_post_types' ) ) {
$post_types = array_keys( lsx_to_get_post_types() );
if ( is_singular( $post_types ) ) {
$disable = false;
}
}
}
// Single projects will still have banners.
if ( function_exists( 'has_blocks' ) && has_blocks() && ( is_singular( 'project' ) ) ) {
$disable = false;
}
return $disable;
}
endif;
add_action( 'lsx_header_after', 'lsx_page_banner' );
if ( ! function_exists( 'lsx_excerpt_more' ) ) :
/**
* Replaces the excerpt "more" text by a link.
*
* @package lsx
* @subpackage extras
*/
function lsx_excerpt_more( $more ) {
return '...';
}
endif;
add_filter( 'excerpt_more', 'lsx_excerpt_more' );
if ( ! function_exists( 'lsx_the_excerpt_filter' ) ) :
/**
* Add a continue reading link to the excerpt.
*
* @package lsx
* @subpackage extras
*/
function lsx_the_excerpt_filter( $excerpt ) {
$post_formats = array(
'aside' => 'aside',
'gallery' => 'gallery',
'link' => 'link',
'image' => 'image',
'quote' => 'quote',
'status' => 'status',
'video' => 'video',
'audio' => 'audio',
);
$show_full_content = has_post_format( apply_filters( 'lsx_the_excerpt_filter_post_types', $post_formats ) );
if ( ! $show_full_content ) {
if ( '' !== $excerpt && ! stristr( $excerpt, 'moretag' ) ) {
$pagination = wp_link_pages(
array(
'before' => '<div class="lsx-postnav-wrapper"><div class="lsx-postnav">',
'after' => '</div></div>',
'link_before' => '<span>',
'link_after' => '</span>',
'echo' => 0,
)
);
if ( ! empty( $pagination ) ) {
$excerpt .= $pagination;
} else {
$excerpt_more = '<p><a class="moretag" href="' . esc_url( get_permalink() ) . '">' . esc_html__( 'Read More', 'lsx' ) . '</a></p>';
$excerpt .= apply_filters( 'excerpt_more_p', $excerpt_more );
}
}
}
return $excerpt;
}
endif;
add_filter( 'the_excerpt', 'lsx_the_excerpt_filter', 1, 20 );
if ( ! function_exists( 'lsx_full_width_widget_classes' ) ) :
/**
* Filter sidebar widget params, to add the widget_lsx_full_width_alt or widget_lsx_full_width classes to the text widget.
*
* @package lsx
* @subpackage extras
*/
function lsx_full_width_widget_classes( $params ) {
if ( is_admin() ) {
return $params;
}
global $wp_registered_widgets;
$widget_id = $params[0]['widget_id'];
$widget_name = $params[0]['widget_name'];
if ( 'Text' === $widget_name ) {
$wp_registered_widgets[ $widget_id ]['original_callback'] = $wp_registered_widgets[ $widget_id ]['callback'];
$wp_registered_widgets[ $widget_id ]['callback'] = 'lsx_full_width_widget_custom_callback';
}
return $params;
}
endif;
add_filter( 'dynamic_sidebar_params', 'lsx_full_width_widget_classes' );
if ( ! function_exists( 'lsx_full_width_widget_custom_callback' ) ) :
/**
* Filter sidebar widget params, to add the widget_lsx_full_width_alt or widget_lsx_full_width classes to the text widget.
*
* @package lsx
* @subpackage extras
*/
function full_width_widget_custom_callback() {
global $wp_registered_widgets;
$original_callback_params = func_get_args();
$widget_id = $original_callback_params[0]['widget_id'];
$original_callback = $wp_registered_widgets[ $widget_id ]['original_callback'];
$wp_registered_widgets[ $widget_id ]['callback'] = $original_callback;
$widget_id_base = $wp_registered_widgets[ $widget_id ]['callback'][0]->id_base;
$widget_classname = '';
if ( is_callable( $original_callback ) ) {
ob_start();
call_user_func_array( $original_callback, $original_callback_params );
$widget_output = ob_get_clean();
echo wp_kses_post( apply_filters( 'lsx_widget_output', $widget_output, $widget_id_base, $widget_classname, $widget_id ) );
}
}
endif;
if ( ! function_exists( 'lsx_full_width_widget_output' ) ) :
/**
* Filter sidebar widget params, to add the widget_lsx_full_width_alt or widget_lsx_full_width classes to the text widget.
*
* @package lsx
* @subpackage extras
*/
function lsx_full_width_widget_output( $widget_output, $widget_id_base, $widget_id ) {
if ( 'text' === $widget_id_base ) {
if ( false !== strpos( $widget_output, '<div class="lsx-full-width-alt">' ) ) {
$widget_output = str_replace( 'class="widget widget_text"', 'class="widget widget_text widget_lsx_full_width_alt"', $widget_output );
} elseif ( false !== strpos( $widget_output, '<div class="lsx-full-width">' ) ) {
$widget_output = str_replace( 'class="widget widget_text"', 'class="widget widget_text widget_lsx_full_width"', $widget_output );
}
}
return $widget_output;
}
endif;
add_filter( 'lsx_widget_output', 'lsx_full_width_widget_output', 10, 3 );
/**
* Check if the content has a restricted post format that needs to show a full excerpt.
*/
function lsx_post_format_force_content_on_list() {
$post_formats = apply_filters( 'lsx_post_format_force_content_on_list',
array(
'video' => 'video',
'audio' => 'audio',
'quote' => 'quote',
'link' => 'link',
)
);
$return = false;
if ( ! has_post_format( $post_formats ) ) {
$return = true;
}
return $return;
}
/**
* Remove the Hentry Class Every
*/
function lsx_remove_hentry( $classes ) {
if ( 'post' !== get_post_type() ) {
$classes = array_diff( $classes, array( 'hentry' ) );
}
return $classes;
}
add_filter( 'post_class', 'lsx_remove_hentry' );
/**
* Strip Excerpts.
*/
function lsx_strip_excerpt( $content ) {
if ( is_search() || is_archive() || ( is_blog_installed() && ! is_single() && ! is_page() ) ) {
$content = strip_shortcodes( $content );
$content = str_replace( ']]>', ']]>', $content );
$content = strip_tags( $content );
}
return $content;
}
add_filter( 'the_content', 'lsx_strip_excerpt' );
/**
* Disable Gutenberg for LSX Custom Post Types.
*/
function lsx_disable_gutenberg_product_type( $is_enabled, $post_type ) {
if ( 'testimonial' === $post_type || 'team' === $post_type || 'project' === $post_type ) {
return false;
}
return $is_enabled;
}
add_filter( 'gutenberg_add_edit_link_for_post_type', 'lsx_disable_gutenberg_product_type', 10, 2 );
/**
* Add the "Blog" link to the breadcrumbs
*
* @param $crumbs
* @return array
*/
function lsx_breadcrumbs_blog_link( $crumbs ) {
$show_on_front = get_option( 'show_on_front' );
if ( 'page' === $show_on_front && ( is_category() || is_tag() ) ) {
$blog_page = get_option( 'page_for_posts' );
if ( false !== $blog_page && '' !== $blog_page ) {
$new_crumbs = array();
$new_crumbs[0] = $crumbs[0];
if ( function_exists( 'woocommerce_breadcrumb' ) ) {
$new_crumbs[1] = array(
0 => get_the_title( $blog_page ),
1 => get_permalink( $blog_page ),
);
} else {
$new_crumbs[1] = array(
'text' => get_the_title( $blog_page ),
'url' => get_permalink( $blog_page ),
);
}
$new_crumbs[2] = $crumbs[1];
$crumbs = $new_crumbs;
}
}
return $crumbs;
}
add_filter( 'wpseo_breadcrumb_links', 'lsx_breadcrumbs_blog_link', 30, 1 );
add_filter( 'woocommerce_get_breadcrumb', 'lsx_breadcrumbs_blog_link', 30, 1 );
/**
* Cover template custom styles
*
* @return void
*/
function lsx_cover_template_custom_enqueue() {
if ( ! is_page_template( 'page-templates/template-cover.php' ) ) {
return;
}
$color_overlay_classes = '';
$cover_text_color = get_theme_mod( 'lsx_cover_template_overlay_text_color' );
$cover_menu_color = get_theme_mod( 'lsx_cover_template_menu_text_color' );
$cover_hover_color = get_theme_mod( 'lsx_cover_template_text_hover_color' );
$cover_bg_color = get_theme_mod( 'lsx_cover_template_cover_background_color' );
$cover_bg_overlay_color = get_theme_mod( 'lsx_cover_template_overlay_background_color' );
$color_overlay_opacity = get_theme_mod( 'lsx_cover_template_overlay_opacity' );
$color_overlay_opacity = ( false === $color_overlay_opacity ) ? 80 : $color_overlay_opacity;
$color_overlay_opacity = $color_overlay_opacity / 100;
$color_overlay_opacity_header = $color_overlay_opacity - 0.3;
$color_overlay_classes .= $color_overlay_opacity;
$custom_css = ".page-template-template-cover.mobile-header-hamburger #masthead.masthead-open >.container, .post-template-template-cover.mobile-header-hamburger #masthead.masthead-open >.container { background: {$cover_bg_color};color: transparent; } .page-template-template-cover.mobile-header-hamburger #masthead.masthead-open >.container:before, .post-template-template-cover.mobile-header-hamburger #masthead.masthead-open >.container:before { background: currentColor; content: ''; opacity: {$color_overlay_opacity_header}; position: absolute; bottom: 0; left: 0; right: 0; top: 0; display: block; } .page-template-template-cover .entry-header .entry-title, .post-template-template-cover .entry-header .entry-title, .post-template-template-cover #primary #main .entry-categories-inner a, .page-template-template-cover #primary #main .entry-header *, .post-template-template-cover #primary #main .entry-header * {color: {$cover_text_color};} .page-template-template-cover .entry-header .entry-title, .post-template-template-cover .entry-header .entry-title, .page-template-template-cover #primary #main .entry-header a:hover, .post-template-template-cover #primary #main .entry-header a:hover {color: {$cover_hover_color};} .page-template-template-cover .cover-header .cover-header-inner-wrapper .cover-header-inner .cover-color-overlay, .page-template-template-cover .cover-header .cover-header-inner-wrapper .cover-header-inner .cover-color-overlay::before, .post-template-template-cover .cover-header .cover-header-inner-wrapper .cover-header-inner .cover-color-overlay, .post-template-template-cover .cover-header .cover-header-inner-wrapper .cover-header-inner .cover-color-overlay::before {opacity: {$color_overlay_opacity};} .page-template-template-cover.mobile-header-hamburger #masthead .wrapper-toggle .navbar-toggle:hover .icon-bar, .post-template-template-cover.mobile-header-hamburger #masthead .wrapper-toggle .navbar-toggle:hover .icon-bar {background-color: {$cover_hover_color};} @media (min-width: 1200px) {.page-template-template-cover .header-wrap #masthead .primary-navbar > .nav > .menu-item > a, .page-template-template-cover .header-wrap #masthead .primary-navbar > .nav > .menu-item.active > a, .post-template-template-cover .header-wrap #masthead .primary-navbar > .nav > .menu-item > a, .post-template-template-cover .header-wrap #masthead .primary-navbar > .nav > .menu-item.active > a { color: {$cover_menu_color};} }";
wp_add_inline_style( 'lsx_main', $custom_css );
}
add_action( 'wp_enqueue_scripts', 'lsx_cover_template_custom_enqueue' );
/**
* Determines if the request is an REST API request.
*
* @return bool True if it's a REST API request, false otherwise.
*/
function lsx_is_rest_api_request() {
$rest_helper = LSX_Rest_Helper::get_instance();
return $rest_helper->is_rest_api_request();
}
/**
* Remove lazy loading on Custom logo.
*
* @param [type] $attributes
* @return void
*/
function lsx_custom_logo_attributes( $attributes ) {
$attributes['loading'] = 'eager';
return $attributes;
}
add_filter( 'get_custom_logo_image_attributes', 'lsx_custom_logo_attributes' );
/**
* Redirects non admin users to home.
*
* @return void
*/
function lsx_blockusers_init() {
if ( is_admin() && ( current_user_can( 'teacher' ) || current_user_can( 'customer' ) ) && ! ( defined( 'DOING_AJAX' ) && DOING_AJAX ) ) {
wp_safe_redirect( home_url() );
exit;
}
}
add_action( 'init', 'lsx_blockusers_init' );