Fill out inline documentation for magic methods added to the `WP_Error` class in [28511].

See #27881, #22234 and #28885.

Built from https://develop.svn.wordpress.org/trunk@29144


git-svn-id: http://core.svn.wordpress.org/trunk@28928 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-error.php

@@ -66,45 +66,52 @@ class WP_Error {
 	}
 
 	/**
-	 * Make private properties readable for backwards compatibility
+	 * Make private properties readable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property to get.
+	 * @return mixed Property.
 	 */
 	public function __get( $name ) {
 		return $this->$name;
 	}
 
 	/**
-	 * Make private properties setable for backwards compatibility
+	 * Make private properties setable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @param string $value
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name  Property to set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
 	 */
 	public function __set( $name, $value ) {
 		return $this->$name = $value;
 	}
 
 	/**
-	 * Make private properties checkable for backwards compatibility
+	 * Make private properties checkable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
 	 */
 	public function __isset( $name ) {
 		return isset( $this->$name );
 	}
 
 	/**
-	 * Make private properties unsetable for backwards compatibility
+	 * Make private properties unsetable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property to unset.
 	 */
 	public function __unset( $name ) {
 		unset( $this->$name );