Fix undefined static method - #45

content-warning-v3.php

@@ -317,10 +317,42 @@ class ContentWarning_v2 {
 		$this->admin    = new CWV2_Admin( $this );
 	}
 
+	/**
+	 * This plugin's directory
+	 *
+	 * @since  3.7
+	 *
+	 * @param  string $path (optional) appended path
+	 *
+	 * @return string       Directory and path
+	 */
+	public static function dir( $path = '' ) {
+		static $dir;
+		$dir = $dir ? $dir : trailingslashit( dirname( __FILE__ ) );
+
+		return $dir . $path;
+	}
+
+	/**
+	 * This plugin's url
+	 *
+	 * @since  3.7
+	 *
+	 * @param  string $path (optional) appended path
+	 *
+	 * @return string       URL and path
+	 */
+	public static function url( $path = '' ) {
+		static $url;
+		$url = $url ? $url : trailingslashit( plugin_dir_url( __FILE__ ) );
+
+		return $url . $path;
+	}
+
 	/**
 	 * Include a file from the includes directory
 	 *
-	 * @since  0.1.0
+	 * @since  3.7
 	 *
 	 * @param  string $filename Name of the file to be included
 	 *