init blog

wp-content/themes/Beginning/functions/class-views-stats.php

@@ -0,0 +1,138 @@
+<?php
+/**
+ * 浏览统计类
+ *
+ * @package WordPress
+ * @subpackage Beginning
+ * @since Beginning 4.0.4
+ */
+
+/**
+ * 浏览统计
+ *
+ * @since Beginning 4.0.4
+ */
+final class Bing_Views_Stats {
+
+	/**
+	 * 此对象
+	 *
+	 * @var object
+	 */
+	public static $object;
+
+	/**
+	 * 构造函数
+	 *
+	 * @since Beginning 4.0.4
+	 */
+	public function __construct() {
+		add_action( 'template_redirect', array( $this, 'stats' ), 18 );
+	}
+
+	/**
+	 * 初始化
+	 *
+	 * @since Beginning 4.0.4
+	 */
+	public static function init() {
+		if ( !isset( self::$object ) )
+			self::$object = new self();
+	}
+
+	/**
+	 * 获取文章浏览次数
+	 *
+	 * @since Beginning 4.0.4
+	 */
+	public static function get( $post = null ) {
+		self::init();
+		return self::$object->get_views( $post );
+	}
+
+	/**
+	 * 输出文章浏览次数
+	 *
+	 * @since Beginning 4.0.4
+	 */
+	public static function output() {
+		$views = self::get();
+		echo number_format_i18n( $views );
+	}
+
+	/**
+	 * 统计浏览
+	 *
+	 * @since Beginning 4.0.4
+	 *
+	 * @uses self::get_post()
+	 * @uses self::incrementing()
+	 */
+	public function stats() {
+		if ( !is_singular() )
+			return;
+
+		if ( !$post = $this->get_post() )
+			return;
+
+		$this->incrementing( $post );
+	}
+
+	/**
+	 * 获取文章浏览次数
+	 *
+	 * @since Beginning 4.0.4
+	 * @return int
+	 */
+	public function get_views( $post = null ) {
+		if ( !$post = get_post( $post ) )
+			return 0;
+
+		$views = get_post_meta( $post->ID, 'views', true );
+		return (int) $views;
+	}
+
+	/**
+	 * 获取可以进行浏览统计的文章
+	 *
+	 * @since Beginning 4.0.4
+	 * @see get_post()
+	 */
+	private function get_post( $post = null ) {
+		if ( !$post = get_post( $post ) )
+			return false;
+
+		if ( !$post_status = get_post_status_object( $post->post_status ) )
+			return false;
+
+		if ( !$post_status->public )
+			return false;
+
+		if ( !$post_type = get_post_type_object( $post->post_type ) )
+			return false;
+
+		if ( !$post_type->public )
+			return false;
+
+		return $post;
+	}
+
+	/**
+	 * 文章浏览次数递增
+	 *
+	 * @since Beginning 4.0.4
+	 * @return bool 是否递增成功。
+	 */
+	private function incrementing( $post = null ) {
+		if ( !$post = get_post( $post ) )
+			return false;
+
+		$views  = $this->get_views( $post );
+		$result = update_post_meta( $post->ID, 'views', ++$views );
+
+		return (bool) $result;
+	}
+
+}
+
+// End of page.