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<?php /** * Server-side rendering of the `core/calendar` block. * * @package WordPress */ /** * Renders the `core/calendar` block on server. * * @since 5.2.0 * * @global int $monthnum. * @global int $year. * * @param array $attributes The block attributes. * * @return string Returns the block content. */ function render_block_core_calendar( $attributes ) { global $monthnum, $year; // Calendar shouldn't be rendered // when there are no published posts on the site. if ( ! block_core_calendar_has_published_posts() ) { if ( is_user_logged_in() ) { return '<div>' . __( 'The calendar block is hidden because there are no published posts.' ) . '</div>'; } return ''; } $previous_monthnum = $monthnum; $previous_year = $year; if ( isset( $attributes['month'] ) && isset( $attributes['year'] ) ) { $permalink_structure = get_option( 'permalink_structure' ); if ( str_contains( $permalink_structure, '%monthnum%' ) && str_contains( $permalink_structure, '%year%' ) ) { $monthnum = $attributes['month']; $year = $attributes['year']; } } $color_block_styles = array(); // Text color. $preset_text_color = array_key_exists( 'textColor', $attributes ) ? "var:preset|color|{$attributes['textColor']}" : null; $custom_text_color = $attributes['style']['color']['text'] ?? null; $color_block_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color; // Background Color. $preset_background_color = array_key_exists( 'backgroundColor', $attributes ) ? "var:preset|color|{$attributes['backgroundColor']}" : null; $custom_background_color = $attributes['style']['color']['background'] ?? null; $color_block_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color; // Generate color styles and classes. $styles = wp_style_engine_get_styles( array( 'color' => $color_block_styles ), array( 'convert_vars_to_classnames' => true ) ); $inline_styles = empty( $styles['css'] ) ? '' : sprintf( ' style="%s"', esc_attr( $styles['css'] ) ); $classnames = empty( $styles['classnames'] ) ? '' : ' ' . esc_attr( $styles['classnames'] ); if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) { $classnames .= ' has-link-color'; } // Apply color classes and styles to the calendar. $calendar = str_replace( '<table', '<table' . $inline_styles, get_calendar( true, false ) ); $calendar = str_replace( 'class="wp-calendar-table', 'class="wp-calendar-table' . $classnames, $calendar ); $wrapper_attributes = get_block_wrapper_attributes(); $output = sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $calendar ); $monthnum = $previous_monthnum; $year = $previous_year; return $output; } /** * Registers the `core/calendar` block on server. * * @since 5.2.0 */ function register_block_core_calendar() { register_block_type_from_metadata( __DIR__ . '/calendar', array( 'render_callback' => 'render_block_core_calendar', ) ); } add_action( 'init', 'register_block_core_calendar' ); /** * Returns whether or not there are any published posts. * * Used to hide the calendar block when there are no published posts. * This compensates for a known Core bug: https://core.trac.wordpress.org/ticket/12016 * * @since 5.9.0 * * @return bool Has any published posts or not. */ function block_core_calendar_has_published_posts() { // Multisite already has an option that stores the count of the published posts. // Let's use that for multisites. if ( is_multisite() ) { return 0 < (int) get_option( 'post_count' ); } // On single sites we try our own cached option first. $has_published_posts = get_option( 'wp_calendar_block_has_published_posts', null ); if ( null !== $has_published_posts ) { return (bool) $has_published_posts; } // No cache hit, let's update the cache and return the cached value. return block_core_calendar_update_has_published_posts(); } /** * Queries the database for any published post and saves * a flag whether any published post exists or not. * * @since 5.9.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return bool Has any published posts or not. */ function block_core_calendar_update_has_published_posts() { global $wpdb; $has_published_posts = (bool) $wpdb->get_var( "SELECT 1 as test FROM {$wpdb->posts} WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1" ); update_option( 'wp_calendar_block_has_published_posts', $has_published_posts ); return $has_published_posts; } // We only want to register these functions and actions when // we are on single sites. On multi sites we use `post_count` option. if ( ! is_multisite() ) { /** * Handler for updating the has published posts flag when a post is deleted. * * @since 5.9.0 * * @param int $post_id Deleted post ID. */ function block_core_calendar_update_has_published_post_on_delete( $post_id ) { $post = get_post( $post_id ); if ( ! $post || 'publish' !== $post->post_status || 'post' !== $post->post_type ) { return; } block_core_calendar_update_has_published_posts(); } /** * Handler for updating the has published posts flag when a post status changes. * * @since 5.9.0 * * @param string $new_status The status the post is changing to. * @param string $old_status The status the post is changing from. * @param WP_Post $post Post object. */ function block_core_calendar_update_has_published_post_on_transition_post_status( $new_status, $old_status, $post ) { if ( $new_status === $old_status ) { return; } if ( 'post' !== get_post_type( $post ) ) { return; } if ( 'publish' !== $new_status && 'publish' !== $old_status ) { return; } block_core_calendar_update_has_published_posts(); } add_action( 'delete_post', 'block_core_calendar_update_has_published_post_on_delete' ); add_action( 'transition_post_status', 'block_core_calendar_update_has_published_post_on_transition_post_status', 10, 3 ); }
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[-] query-no-results.php
[open]
[-] calendar.php
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[-] comments-pagination-numbers.php
[open]
[+]
paragraph
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post-comments-count
[-] site-title.php
[open]
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widget-group
[-] page-list-item.php
[open]
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site-logo
[-] post-content.php
[open]
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tag-cloud
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categories
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text-columns
[-] legacy-widget.php
[open]
[-] query-pagination-numbers.php
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[-] image.php
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[+]
more
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spacer
[-] list.php
[open]
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post-date
[-] post-comments-link.php
[open]
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page-list-item
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post-author-name
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heading
[-] comments-pagination.php
[open]
[-] gallery.php
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[-] accordion.php
[open]
[-] latest-comments.php
[open]
[+]
loginout
[-] home-link.php
[open]
[+]
query-no-results
[+]
site-title
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math
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post-title
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read-more
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latest-posts
[-] read-more.php
[open]
[-] post-comments-form.php
[open]
[-] page-list.php
[open]
[+]
table
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comments-title
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post-author
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home-link
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comment-author-name
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post-terms
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freeform
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query-pagination-previous
[-] post-date.php
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post-comments-link
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comment-reply-link
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columns
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post-time-to-read
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post-content
[-] comment-template.php
[open]
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comments-pagination-previous
[-] pattern.php
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[-] accordion-item.php
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[-] site-logo.php
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[-] comments-pagination-previous.php
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details
[-] archives.php
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terms-query
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block
[-] widget-group.php
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accordion-panel
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list-item
[-] post-author.php
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[-] term-name.php
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[-] heading.php
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[-] query-title.php
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[-] latest-posts.php
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latest-comments
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nextpage
[-] search.php
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[-] blocks-json.php
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pattern
[-] query-pagination-next.php
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pullquote
[-] site-tagline.php
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gallery
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code
[-] post-author-biography.php
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list
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file
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post-comments-form
[-] navigation-submenu.php
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[-] file.php
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button
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media-text
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accordion
[-] button.php
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term-template
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preformatted
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query-total
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accordion-item
[-] index.php
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legacy-widget
[-] media-text.php
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image
[-] term-description.php
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post-excerpt
[-] navigation.php
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audio
[-] comment-content.php
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quote
[-] tag-cloud.php
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[-] query.php
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post-author-biography
[-] avatar.php
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[-] post-featured-image.php
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comments
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missing
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query
[-] categories.php
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shortcode
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verse
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comments-pagination-numbers
[-] social-link.php
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[-] comment-date.php
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social-link
[-] comments.php
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[-] require-dynamic-blocks.php
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[-] post-template.php
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rss
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comments-pagination-next
[-] comments-pagination-next.php
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accordion-heading
[-] video.php
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archives
[-] footnotes.php
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post-navigation-link
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html
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comment-date
[-] block.php
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[-] require-static-blocks.php
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social-links
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query-pagination-next
[-] term-template.php
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[-] post-author-name.php
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comment-edit-link
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video
[-] navigation-link.php
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term-count
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query-pagination
[-] comment-edit-link.php
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navigation-submenu
[-] post-title.php
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[-] post-terms.php
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column
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post-featured-image
[-] template-part.php
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navigation-link
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comments-pagination
[-] post-time-to-read.php
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[-] cover.php
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query-pagination-numbers
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embed
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footnotes
[-] rss.php
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comment-content
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separator
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cover
[-] comments-title.php
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page-list
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template-part
[-] comment-author-name.php
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[-] term-count.php
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term-name
[-] loginout.php
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query-title
[-] post-navigation-link.php
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[-] post-comments-count.php
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site-tagline
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navigation
[-] query-total.php
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term-description
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post-template
[-] post-excerpt.php
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[-] query-pagination-previous.php
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buttons
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avatar
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calendar
[-] query-pagination.php
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group
[-] comment-reply-link.php
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[-] shortcode.php
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search
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comment-template