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<?php defined( 'ABSPATH' ) OR die( 'This script cannot be accessed directly.' );
/**
* Retrieves and returns the part of current post that can be used as the post's preview.
*
* (!) Should be called in WP_Query fetching loop only.
*
* @param string $the_content Post content, retrieved with get_the_content() (without 'the_content' filters)
* @param bool $strip_from_the_content Should the found element be removed from post content not to be duplicated?
*
* @return string
*/
function us_get_post_preview( &$the_content, $strip_from_the_content = FALSE ) {
// Retrieving post format
$post_format = get_post_format() ? get_post_format() : 'standard';
$preview_html = '';
global $us_post_img_ratio;
if ( ! empty( $us_post_img_ratio ) ) {
$video_h_style = ' style="padding-bottom:' . $us_post_img_ratio . '%;"';
} else {
$video_h_style = '';
}
// Retrieving post preview
if ( $post_format == 'gallery' ) {
if ( preg_match( '~\[us_image_slider.+?\]|\[gallery.+?\]~', $the_content, $matches ) ) {
// Replacing with a simple image slider
$gallery = preg_replace( '~(vc_gallery|gallery)~', 'us_image_slider', $matches[0] );
global $us_post_slider_size;
if ( ! empty( $us_post_slider_size ) ) {
if ( preg_match( '~img_size=\"[^"]+"~', $gallery ) ) {
$gallery = preg_replace( '~img_size=\"[^"]+"~', 'img_size="' . $us_post_slider_size . '"', $gallery );
} else {
$gallery = str_replace( '[us_image_slider', '[us_image_slider img_size="' . $us_post_slider_size . '"', $gallery );
}
}
$preview_html = do_shortcode( $gallery );
if ( $strip_from_the_content ) {
$the_content = str_replace( $matches[0], '', $the_content );
}
} elseif ( preg_match( '~\[us_grid.+post_type="attachment".+?\]~', $the_content, $matches ) ) {
// Replacing with a simple image slider
$gallery = preg_replace( '~us_grid.+post_type="attachment".+images="([^"]+)([^]]+)~', 'us_image_slider ids=$1', $matches[0] );
global $us_post_slider_size;
if ( ! empty( $us_post_slider_size ) ) {
$gallery = str_replace( '[us_image_slider', '[us_image_slider img_size="' . $us_post_slider_size . '"', $gallery );
}
$preview_html = do_shortcode( $gallery );
if ( $strip_from_the_content ) {
$the_content = str_replace( $matches[0], '', $the_content );
}
}
} elseif ( $post_format == 'video' ) {
$post_content = preg_replace( '~^\s*(https?://[^\s"]+)\s*$~im', "[embed]$1[/embed]", $the_content );
if ( preg_match( '~\[embed.+?\]|\[vc_video.+?\]~', $post_content, $matches ) ) {
global $wp_embed;
$video = $matches[0];
$preview_html = do_shortcode( $wp_embed->run_shortcode( $video ) );
if ( strpos( $preview_html, 'w-video' ) === FALSE ) {
$preview_html = '<div class="w-video"><div class="w-video-h"' . $video_h_style . '>' . $preview_html . '</div></div>';
}
$post_content = str_replace( $matches[0], "", $post_content );
}
if ( ! empty( $preview_html ) AND $strip_from_the_content ) {
$the_content = $post_content;
}
} elseif ( $post_format == 'audio' ) {
$post_content = preg_replace( '~^\s*(https?://[^\s"]+)\s*$~im', "[embed]$1[/embed]", $the_content );
if ( preg_match( '~\[audio.+?\]\[\/audio\]~', $post_content, $matches ) ) {
$audio = $matches[0];
$preview_html = do_shortcode( $audio );
$post_content = str_replace( $matches[0], "", $post_content );
} elseif ( preg_match( '~\[embed.+?\]~', $post_content, $matches ) ) {
global $wp_embed;
$video = $matches[0];
$preview_html = do_shortcode( $wp_embed->run_shortcode( $video ) );
if ( strpos( $preview_html, 'w-video' ) === FALSE ) {
$preview_html = '<div class="w-video"><div class="w-video-h"' . $video_h_style . '>' . $preview_html . '</div></div>';
}
$post_content = str_replace( $matches[0], "", $post_content );
}
if ( ! empty( $preview_html ) AND $strip_from_the_content ) {
$the_content = $post_content;
}
}
$preview_html = apply_filters( 'us_get_post_preview', $preview_html, get_the_ID() );
return $preview_html;
}
/**
* Get URL for link post format
*
* @param $the_content
* @param bool|FALSE $strip_from_the_content
*/
function us_get_post_format_link_url( $url, $post ) {
$post_content = '';
if ( $post instanceof WP_Post ) {
if ( get_post_format( $post->ID ) != 'link' ) {
return $url;
}
$post_content = $post->post_content;
}
$link = '';
if ( preg_match( '$(https?|ftp|file)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/%=~_|]$i', $post_content, $matches ) ) {
$link = $matches[0];
}
if ( $link != '' ) {
//$post->post_content = str_replace( $link, "", $post->post_content );
return $link;
}
return $url;
}
add_filter( 'post_link', 'us_get_post_format_link_url', 10, 3 );
/**
* Get information about previous and next post or page (should be used in singular element context)
*
* @return array
*/
function us_get_post_prevnext( $invert = FALSE, $in_same_term = FALSE, $taxonomy = 'category' ) {
$prev = $next = array();
// Exclude posts with "Link" format
if ( is_singular( 'post' ) ) {
global $us_post_prevnext_exclude_ids;
if ( $us_post_prevnext_exclude_ids === NULL ) {
global $wpdb;
$wpdb_query = 'SELECT `object_id` FROM `' . $wpdb->terms . '`, `' . $wpdb->term_relationships . '` ';
$wpdb_query .= 'WHERE (`slug`=\'post-format-link\' AND `term_id`=`term_taxonomy_id`)';
$us_post_prevnext_exclude_ids = apply_filters( 'us_get_post_prevnext_exclude_ids', $wpdb->get_col( $wpdb_query ) );
if ( ! empty( $us_post_prevnext_exclude_ids ) ) {
add_filter( 'get_next_post_where', 'us_exclude_post_format_link_from_prevnext' );
add_filter( 'get_previous_post_where', 'us_exclude_post_format_link_from_prevnext' );
}
}
}
$next_post = get_next_post( $in_same_term, '', $taxonomy );
$prev_post = get_previous_post( $in_same_term, '', $taxonomy );
if ( ! empty( $prev_post ) ) {
$prev = array(
'id' => $prev_post->ID,
'link' => get_permalink( $prev_post->ID ),
'title' => get_the_title( $prev_post->ID ),
);
}
if ( ! empty( $next_post ) ) {
$next = array(
'id' => $next_post->ID,
'link' => get_permalink( $next_post->ID ),
'title' => get_the_title( $next_post->ID ),
);
}
return ( $invert ) ? array( 'next' => $next, 'prev' => $prev ) : array( 'prev' => $prev, 'next' => $next );
}
function us_exclude_post_format_link_from_prevnext( $where ) {
global $us_post_prevnext_exclude_ids;
if ( ! empty( $us_post_prevnext_exclude_ids ) AND is_array( $us_post_prevnext_exclude_ids ) ) {
$where .= ' AND p.ID NOT IN (' . implode( ',', $us_post_prevnext_exclude_ids ) . ')';
}
return $where;
}
// Display specific page when Maintenance Mode is enabled in Theme Options
add_action( 'init', 'us_maintenance_mode' );
function us_maintenance_mode() {
if ( is_user_logged_in() ) {
add_action( 'admin_bar_menu', 'us_maintenance_admin_bar_menu', 1000 );
return FALSE;
}
if ( us_get_option( 'maintenance_mode' ) AND us_get_option( 'maintenance_page' ) ) {
$maintenance_page = get_post( us_get_option( 'maintenance_page' ) );
if ( $maintenance_page ) {
if ( function_exists( 'bp_is_active' ) ) {
add_action( 'template_redirect', 'us_display_maintenance_page', 9 );
} else {
add_action( 'template_redirect', 'us_display_maintenance_page', 11 );
}
}
}
}
// Show indication in admin bar when Maintenance Mode is enabled
function us_maintenance_admin_bar_menu( $wp_admin_bar ) {
if ( us_get_option( 'maintenance_mode' ) AND us_get_option( 'maintenance_page' ) ) {
$maintenance_page = get_post( us_get_option( 'maintenance_page' ) );
if ( $maintenance_page ) {
$maintenance_page = has_filter( 'us_tr_object_id' )
? (int) apply_filters( 'us_tr_object_id', $maintenance_page->ID, 'page', TRUE )
: $maintenance_page;
if ( $_maintenance_page = get_post( $maintenance_page ) ) {
$maintenance_page = $_maintenance_page;
}
$wp_admin_bar->add_node(
array(
'id' => 'us-maintenance-notice',
'href' => admin_url() . 'admin.php?page=us-theme-options',
'title' => __( 'Maintenance Mode', 'us' ),
'meta' => array(
'class' => 'us-maintenance',
'html' => '<style>.us-maintenance a{font-weight:600!important;color:#f90!important;}</style>',
),
)
);
}
}
}
// Show specified page when Maintenance Mode is enabled
function us_display_maintenance_page() {
if ( $maintenance_page = get_post( us_get_option( 'maintenance_page' ) ) ) {
if (
has_filter( 'us_tr_object_id' )
AND $_maintenance_page = get_post( (int) apply_filters( 'us_tr_object_id', $maintenance_page->ID, 'page', TRUE ) )
) {
$maintenance_page = $_maintenance_page;
}
us_open_wp_query_context();
global $wp_query;
$wp_query = new WP_Query(
array(
'p' => $maintenance_page->ID,
'post_type' => 'page',
)
);
the_post();
if ( us_get_option( 'maintenance_503', 1 ) == 1 ) {
header( 'HTTP/1.1 503 Service Temporarily Unavailable' );
header( 'Status: 503 Service Temporarily Unavailable' );
header( 'Retry-After: 86400' ); // retry in a day
}
get_header();
// Main attri
$main_atts = array(
'id' => 'page-content',
'class' => 'l-main',
);
if ( us_get_option( 'schema_markup' ) ) {
$main_atts['itemprop'] = 'mainContentOfPage';
}
?>
<main <?php echo us_implode_atts( $main_atts ) ?>>
<?php
do_action( 'us_before_page' );
if ( us_get_page_area_id( 'content' ) ) {
us_load_template( 'templates/content' );
} else {
echo apply_filters( 'the_content', $maintenance_page->post_content );
}
do_action( 'us_after_page' );
?>
</main>
<?php
get_footer();
us_close_wp_query_context();
exit;
}
}
if ( ! function_exists( 'us_update_postmeta_for_custom_css' ) ) {
/**
* Add a record of all custom styles to the post metadata
*
* @param WP_Post $post
* @return NULL|array|string
*/
function us_update_postmeta_for_custom_css( $post ) {
$us_jsoncss_data = NULL; // Default value, record checked but no data
if ( $post instanceof WP_Post AND ! empty( $post->post_content ) ) {
if ( preg_match_all( '/\s?css="(.*?)"/i', $post->post_content, $matches ) ) {
$us_jsoncss_data = us_arr_path( $matches, '1', array() );
}
update_post_meta( $post->ID, '_us_jsoncss_data', $us_jsoncss_data );
}
return $us_jsoncss_data;
}
}
if ( ! function_exists( 'us_save_post' ) ) {
add_action( 'save_post', 'us_save_post', 10, 2 );
/**
* Update custom style metadata when saving or updating a post
*
* @param integer $post_id
* @param WP_Post $post
* @return void
*/
function us_save_post( $post_id, $post ) {
us_update_postmeta_for_custom_css( $post );
}
}