init blog

wp-content/themes/Beginning/functions/class-theme-mods.php

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+<?php
+/**
+ * 主题选项类
+ *
+ * @package WordPress
+ * @subpackage Beginning
+ * @since Beginning 4.0.2
+ */
+
+/**
+ * 主题选项
+ *
+ * @since Beginning 4.0.2
+ */
+final class Bing_Theme_Mods {
+
+	/**
+	 * 此对象
+	 *
+	 * @since Beginning 4.0.2
+	 * @var array
+	 */
+	public static $objects;
+
+	/**
+	 * 当前主题
+	 *
+	 * @since Beginning 4.0.2
+	 * @var string
+	 */
+	private $theme;
+
+	/**
+	 * 构造函数
+	 *
+	 * @since Beginning 4.0.2
+	 */
+	public function __construct( $theme ) {
+		$this->theme = $theme;
+	}
+
+	/**
+	 * 选择主题
+	 *
+	 * @since Beginning 4.0.2
+	 */
+	public static function select( $theme = null ) {
+		if ( empty( $theme ) )
+			$theme = get_stylesheet();
+
+		if ( !isset( self::$objects[$theme] ) )
+			self::$objects[$theme] = new self( $theme );
+
+		return self::$objects[$theme];
+	}
+
+	/**
+	 * 获取选项
+	 *
+	 * @since Beginning 4.0.2
+	 * @see get_theme_mod()
+	 */
+	public function get( $name ) {
+		$mods = $this->get_mods();
+
+		if ( isset( $mods[$name] ) )
+			return $mods[$name];
+		else
+			return false;
+	}
+
+	/**
+	 * 设置选项
+	 *
+	 * @since Beginning 4.0.2
+	 * @see set_theme_mod()
+	 */
+	public function set( $name, $value ) {
+		$mods = $this->get_mods();
+
+		if ( isset( $mods[$name] ) && $mods[$name] === $value )
+			return true;
+
+		$mods[$name] = $value;
+		return update_option( $this->get_option_name(), $mods );
+	}
+
+	/**
+	 * 删除选项
+	 *
+	 * @since Beginning 4.0.2
+	 * @see remove_theme_mod()
+	 */
+	public function remove( $name ) {
+		$mods = $this->get_mods();
+
+		if ( !isset( $mods[$name] ) )
+			return false;
+
+		unset( $mods[$name] );
+
+		if ( empty( $mods ) )
+			$result = delete_option( $this->get_option_name() );
+		else
+			$result = update_option( $this->get_option_name(), $mods );
+
+		return $result;
+	}
+
+	/**
+	 * 清除全部选项
+	 *
+	 * @since Beginning 4.1.0
+	 * @see remove_theme_mods()
+	 */
+	public function remove_all() {
+		$this->get_mods();
+		return delete_option( $this->get_option_name() );
+	}
+
+	/**
+	 * 获取全部选项
+	 *
+	 * @since Beginning 4.0.2
+	 * @see get_theme_mods()
+	 */
+	private function get_mods() {
+		if ( ( $mods = get_option( $this->get_option_name() ) ) === false ) {
+			$theme_name = wp_get_theme( $this->theme )->get( 'Name' );
+			$old_option = 'mods_' . $theme_name;
+
+			if ( ( $mods = get_option( $old_option ) ) !== false )
+				if ( update_option( $this->get_option_name(), $mods ) )
+					delete_option( $old_option );
+		}
+
+		if ( !is_array( $mods ) )
+			$mods = array();
+
+		return $mods;
+	}
+
+	/**
+	 * 获取选项数据库字段的名称
+	 *
+	 * @since Beginning 4.0.2
+	 */
+	private function get_option_name() {
+		return 'theme_mods_' . $this->theme;
+	}
+
+}
+
+// End of page.