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Wordpress动态获得版权年份

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PHP中文网原创
2016-05-25 17:14:151274浏览

Wordpress动态获得版权年份

function copyrightDate() {
	global $wpdb;
	$copyright_dates = $wpdb->get_results("
		SELECT 
			YEAR(min(post_date_gmt)) AS firstdate, 
			YEAR(max(post_date_gmt)) AS lastdate 
		FROM 
			$wpdb->posts
		WHERE post_status = 'publish'
	");
	if($copyright_dates) {
		$date = date('Y-m-d');
		$date = explode('-', $date);
		$copyright = "Copyright © " . $copyright_dates[0]->firstdate;
		if($copyright_dates[0]->firstdate != $date[0]) {
			$copyright .= '-' . $date[0];
		}
		echo $copyright;
	}
}
add_filter('wp_footer', 'copyrightDate');

                       


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