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Fix calendar widget when there are no posts. Optimize query. Props Denis-de-Bernardy. fixes #6442
git-svn-id: http://svn.automattic.com/wordpress/trunk@10708 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -930,14 +930,17 @@ function get_calendar($initial = true) {
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if ( !is_array($cache) )
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$cache = array();
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ob_start();
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// Quick check. If we have no posts at all, abort!
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if ( !$posts ) {
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$gotsome = $wpdb->get_var("SELECT ID from $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' ORDER BY post_date DESC LIMIT 1");
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if ( !$gotsome )
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$gotsome = $wpdb->get_var("SELECT 1 FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1");
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if ( !$gotsome ) {
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$cache[ $key ] = '';
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wp_cache_set( 'get_calendar', $cache, 'calendar' );
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return;
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}
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}
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ob_start();
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if ( isset($_GET['w']) )
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$w = ''.intval($_GET['w']);
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