Add remove_option(), remove_options(), and get_options() methods to WP_Screen, along with unit tests. props ocean90, DrewAPicture. fixes #25799.

git-svn-id: https://develop.svn.wordpress.org/trunk@26456 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/screen.php

@@ -618,6 +618,37 @@ final class WP_Screen {
 		$this->_options[ $option ] = $args;
 	}
 
+	/**
+	 * Remove an option from the screen.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @param string $option Option ID.
+	 */
+	public function remove_option( $option ) {
+		unset( $this->_options[ $option ] );
+	}
+
+	/**
+	 * Remove all options from the screen.
+	 *
+	 * @since 3.8.0
+	 */
+	public function remove_options() {
+		$this->_options = array();
+	}
+
+	/**
+	 * Get the options registered for the screen.
+	 *
+	 * @since 3.8.0
+	 *
+	 * @return array Options with arguments.
+	 */
+	public function get_options() {
+		return $this->_options;
+	}
+
 	/**
 	 * Gets the arguments for an option for the screen.
 	 *