?<h3>D¨ızenle: calendar.php</h3>
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/**
 * 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&#039;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 &#039;&lt;div&gt;&#039; . __( &#039;The calendar block is hidden because there are no published posts.&#039; ) . &#039;&lt;/div&gt;&#039;;
		}
		return &#039;&#039;;
	}

	$previous_monthnum = $monthnum;
	$previous_year     = $year;

	if ( isset( $attributes[&#039;month&#039;] ) &amp;&amp; isset( $attributes[&#039;year&#039;] ) ) {
		$permalink_structure = get_option( &#039;permalink_structure&#039; );
		if (
			str_contains( $permalink_structure, &#039;%monthnum%&#039; ) &amp;&amp;
			str_contains( $permalink_structure, &#039;%year%&#039; )
		) {
			$monthnum = $attributes[&#039;month&#039;];
			$year     = $attributes[&#039;year&#039;];
		}
	}

	$color_block_styles = array();

	// Text color.
	$preset_text_color          = array_key_exists( &#039;textColor&#039;, $attributes ) ? &quot;var:preset|color|{$attributes[&#039;textColor&#039;]}&quot; : null;
	$custom_text_color          = $attributes[&#039;style&#039;][&#039;color&#039;][&#039;text&#039;] ?? null;
	$color_block_styles[&#039;text&#039;] = $preset_text_color ? $preset_text_color : $custom_text_color;

	// Background Color.
	$preset_background_color          = array_key_exists( &#039;backgroundColor&#039;, $attributes ) ? &quot;var:preset|color|{$attributes[&#039;backgroundColor&#039;]}&quot; : null;
	$custom_background_color          = $attributes[&#039;style&#039;][&#039;color&#039;][&#039;background&#039;] ?? null;
	$color_block_styles[&#039;background&#039;] = $preset_background_color ? $preset_background_color : $custom_background_color;

	// Generate color styles and classes.
	$styles        = wp_style_engine_get_styles( array( &#039;color&#039; =&gt; $color_block_styles ), array( &#039;convert_vars_to_classnames&#039; =&gt; true ) );
	$inline_styles = empty( $styles[&#039;css&#039;] ) ? &#039;&#039; : sprintf( &#039; style=&quot;%s&quot;&#039;, esc_attr( $styles[&#039;css&#039;] ) );
	$classnames    = empty( $styles[&#039;classnames&#039;] ) ? &#039;&#039; : &#039; &#039; . esc_attr( $styles[&#039;classnames&#039;] );
	if ( isset( $attributes[&#039;style&#039;][&#039;elements&#039;][&#039;link&#039;][&#039;color&#039;][&#039;text&#039;] ) ) {
		$classnames .= &#039; has-link-color&#039;;
	}
	// Apply color classes and styles to the calendar.
	$calendar = str_replace( &#039;&lt;table&#039;, &#039;&lt;table&#039; . $inline_styles, get_calendar( true, false ) );
	$calendar = str_replace( &#039;class=&quot;wp-calendar-table&#039;, &#039;class=&quot;wp-calendar-table&#039; . $classnames, $calendar );

	$wrapper_attributes = get_block_wrapper_attributes();
	$output             = sprintf(
		&#039;&lt;div %1$s&gt;%2$s&lt;/div&gt;&#039;,
		$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__ . &#039;/calendar&#039;,
		array(
			&#039;render_callback&#039; =&gt; &#039;render_block_core_calendar&#039;,
		)
	);
}

add_action( &#039;init&#039;, &#039;register_block_core_calendar&#039; );

/**
 * 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&#039;s use that for multisites.
	if ( is_multisite() ) {
		return 0 &lt; (int) get_option( &#039;post_count&#039; );
	}

	// On single sites we try our own cached option first.
	$has_published_posts = get_option( &#039;wp_calendar_block_has_published_posts&#039;, null );
	if ( null !== $has_published_posts ) {
		return (bool) $has_published_posts;
	}

	// No cache hit, let&#039;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) $wpdb-&gt;get_var( &quot;SELECT 1 as test FROM {$wpdb-&gt;posts} WHERE post_type = &#039;post&#039; AND post_status = &#039;publish&#039; LIMIT 1&quot; );
	update_option( &#039;wp_calendar_block_has_published_posts&#039;, $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 || &#039;publish&#039; !== $post-&gt;post_status || &#039;post&#039; !== $post-&gt;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 ( &#039;post&#039; !== get_post_type( $post ) ) {
			return;
		}

		if ( &#039;publish&#039; !== $new_status &amp;&amp; &#039;publish&#039; !== $old_status ) {
			return;
		}

		block_core_calendar_update_has_published_posts();
	}

	add_action( &#039;delete_post&#039;, &#039;block_core_calendar_update_has_published_post_on_delete&#039; );
	add_action( &#039;transition_post_status&#039;, &#039;block_core_calendar_update_has_published_post_on_transition_post_status&#039;, 10, 3 );
}
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