Fill out inline documentation for magic methods added to the `WP_Filesystem_Base` class in [28521].

See #22234 and #28885.

Built from https://develop.svn.wordpress.org/trunk@29147


git-svn-id: http://core.svn.wordpress.org/trunk@28931 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-filesystem-base.php

@@ -40,9 +40,11 @@ class WP_Filesystem_Base {
 	public $method = '';
 
 	/**
-	 * Make private properties readable for backwards compatibility
+	 * Make private properties readable for backwards compatibility.
 	 *
 	 * @since 4.0.0
+	 * @access public
+	 *
 	 * @param string $name
 	 * @return mixed
 	 */
@@ -51,23 +53,27 @@ class WP_Filesystem_Base {
 	}
 
 	/**
-	 * 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 );
@@ -77,8 +83,9 @@ class WP_Filesystem_Base {
 	 * 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 );